diff --git a/LICENSE b/LICENSE
index e1184b8..a7a19b0 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 BSD 3-Clause License
 
-Copyright (c) 2025, Dar Dahlen
+Copyright (c) 2026, Dar Dahlen
 Copyright (c) 2025, California Institute of Technology
 
 Redistribution and use in source and binary forms, with or without
diff --git a/docs/conf.py b/docs/conf.py
index 1447228..3bb76cc 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -7,7 +7,7 @@
 # https://www.sphinx-doc.org/en/master/usage/configuration.html#project-information
 
 project = "kete"
-copyright = "2025, Dar Dahlen"
+copyright = "2026, Dar Dahlen"
 author = "Dar Dahlen"
 
 # -- General configuration ---------------------------------------------------
diff --git a/src/kete_core/src/cache.rs b/src/kete_core/src/cache.rs
index b15f354..9cf8ee2 100644
--- a/src/kete_core/src/cache.rs
+++ b/src/kete_core/src/cache.rs
@@ -7,7 +7,7 @@
 //
 // BSD 3-Clause License
 //
-// Copyright (c) 2025, Dar Dahlen
+// Copyright (c) 2026, Dar Dahlen
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are met:
diff --git a/src/kete_core/src/constants/gravity.rs b/src/kete_core/src/constants/gravity.rs
index e270e70..4e185e6 100644
--- a/src/kete_core/src/constants/gravity.rs
+++ b/src/kete_core/src/constants/gravity.rs
@@ -1,6 +1,6 @@
 // BSD 3-Clause License
 //
-// Copyright (c) 2025, Dar Dahlen
+// Copyright (c) 2026, Dar Dahlen
 // Copyright (c) 2025, California Institute of Technology
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/kete_core/src/constants/mod.rs b/src/kete_core/src/constants/mod.rs
index 5aac0ac..a59548e 100644
--- a/src/kete_core/src/constants/mod.rs
+++ b/src/kete_core/src/constants/mod.rs
@@ -3,7 +3,7 @@
 //!
 // BSD 3-Clause License
 //
-// Copyright (c) 2025, Dar Dahlen
+// Copyright (c) 2026, Dar Dahlen
 // Copyright (c) 2025, California Institute of Technology
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/kete_core/src/desigs.rs b/src/kete_core/src/desigs.rs
index 819f933..7b8e1ab 100644
--- a/src/kete_core/src/desigs.rs
+++ b/src/kete_core/src/desigs.rs
@@ -26,7 +26,7 @@
 //
 // BSD 3-Clause License
 //
-// Copyright (c) 2025, Dar Dahlen
+// Copyright (c) 2026, Dar Dahlen
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are met:
diff --git a/src/kete_core/src/elements.rs b/src/kete_core/src/elements.rs
index d4b971f..60950d1 100644
--- a/src/kete_core/src/elements.rs
+++ b/src/kete_core/src/elements.rs
@@ -3,7 +3,7 @@
 //
 // BSD 3-Clause License
 //
-// Copyright (c) 2025, Dar Dahlen
+// Copyright (c) 2026, Dar Dahlen
 // Copyright (c) 2025, California Institute of Technology
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/kete_core/src/errors.rs b/src/kete_core/src/errors.rs
index 944e657..9725647 100644
--- a/src/kete_core/src/errors.rs
+++ b/src/kete_core/src/errors.rs
@@ -3,7 +3,7 @@
 //
 // BSD 3-Clause License
 //
-// Copyright (c) 2025, Dar Dahlen
+// Copyright (c) 2026, Dar Dahlen
 // Copyright (c) 2025, California Institute of Technology
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/kete_core/src/flux/mod.rs b/src/kete_core/src/flux/mod.rs
index a7ca2ea..ec12b35 100644
--- a/src/kete_core/src/flux/mod.rs
+++ b/src/kete_core/src/flux/mod.rs
@@ -9,7 +9,7 @@
 //
 // BSD 3-Clause License
 //
-// Copyright (c) 2025, Dar Dahlen
+// Copyright (c) 2026, Dar Dahlen
 // Copyright (c) 2025, California Institute of Technology
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/kete_core/src/flux/reflected.rs b/src/kete_core/src/flux/reflected.rs
index c72ea7d..868732c 100644
--- a/src/kete_core/src/flux/reflected.rs
+++ b/src/kete_core/src/flux/reflected.rs
@@ -1,6 +1,6 @@
 // BSD 3-Clause License
 //
-// Copyright (c) 2025, Dar Dahlen
+// Copyright (c) 2026, Dar Dahlen
 // Copyright (c) 2025, California Institute of Technology
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/kete_core/src/fov/fov_like.rs b/src/kete_core/src/fov/fov_like.rs
index 7cccd90..ce53f51 100644
--- a/src/kete_core/src/fov/fov_like.rs
+++ b/src/kete_core/src/fov/fov_like.rs
@@ -2,7 +2,7 @@
 //! This trait defines field of view checks for portions of the sky.
 // BSD 3-Clause License
 //
-// Copyright (c) 2025, Dar Dahlen
+// Copyright (c) 2026, Dar Dahlen
 // Copyright (c) 2025, California Institute of Technology
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/kete_core/src/fov/generic.rs b/src/kete_core/src/fov/generic.rs
index 918a36b..352a9fc 100644
--- a/src/kete_core/src/fov/generic.rs
+++ b/src/kete_core/src/fov/generic.rs
@@ -2,7 +2,7 @@
 //! These field of views are made up of single contiguous patches of sky, typically single image sensors.
 // BSD 3-Clause License
 //
-// Copyright (c) 2025, Dar Dahlen
+// Copyright (c) 2026, Dar Dahlen
 // Copyright (c) 2025, California Institute of Technology
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/kete_core/src/fov/mod.rs b/src/kete_core/src/fov/mod.rs
index 9cf3833..de9bba4 100644
--- a/src/kete_core/src/fov/mod.rs
+++ b/src/kete_core/src/fov/mod.rs
@@ -2,7 +2,7 @@
 //! On-Sky field of view checks.
 // BSD 3-Clause License
 //
-// Copyright (c) 2025, Dar Dahlen
+// Copyright (c) 2026, Dar Dahlen
 // Copyright (c) 2025, California Institute of Technology
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/kete_core/src/fov/neos.rs b/src/kete_core/src/fov/neos.rs
index 0f2b14c..2540e05 100644
--- a/src/kete_core/src/fov/neos.rs
+++ b/src/kete_core/src/fov/neos.rs
@@ -1,7 +1,7 @@
 //! # NEOS field of views
 // BSD 3-Clause License
 //
-// Copyright (c) 2025, Dar Dahlen
+// Copyright (c) 2026, Dar Dahlen
 // Copyright (c) 2025, California Institute of Technology
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/kete_core/src/fov/patches.rs b/src/kete_core/src/fov/patches.rs
index f7343f5..0fc5f03 100644
--- a/src/kete_core/src/fov/patches.rs
+++ b/src/kete_core/src/fov/patches.rs
@@ -1,7 +1,7 @@
 //! Basic Geometric shapes on the surface of a sphere
 // BSD 3-Clause License
 //
-// Copyright (c) 2025, Dar Dahlen
+// Copyright (c) 2026, Dar Dahlen
 // Copyright (c) 2025, California Institute of Technology
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/kete_core/src/fov/ptf.rs b/src/kete_core/src/fov/ptf.rs
index a1dc393..bd44d5a 100644
--- a/src/kete_core/src/fov/ptf.rs
+++ b/src/kete_core/src/fov/ptf.rs
@@ -1,7 +1,7 @@
 //! # PTF Fov definitions.
 // BSD 3-Clause License
 //
-// Copyright (c) 2025, Dar Dahlen
+// Copyright (c) 2026, Dar Dahlen
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are met:
diff --git a/src/kete_core/src/fov/spherex.rs b/src/kete_core/src/fov/spherex.rs
index e7d8513..719dc64 100644
--- a/src/kete_core/src/fov/spherex.rs
+++ b/src/kete_core/src/fov/spherex.rs
@@ -1,7 +1,7 @@
 //! # Spherex Fov definitions.
 // BSD 3-Clause License
 //
-// Copyright (c) 2025, Dar Dahlen
+// Copyright (c) 2026, Dar Dahlen
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are met:
diff --git a/src/kete_core/src/fov/wise.rs b/src/kete_core/src/fov/wise.rs
index c81f134..ffdce41 100644
--- a/src/kete_core/src/fov/wise.rs
+++ b/src/kete_core/src/fov/wise.rs
@@ -1,7 +1,7 @@
 //! # WISE Fov definitions.
 // BSD 3-Clause License
 //
-// Copyright (c) 2025, Dar Dahlen
+// Copyright (c) 2026, Dar Dahlen
 // Copyright (c) 2025, California Institute of Technology
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/kete_core/src/fov/ztf.rs b/src/kete_core/src/fov/ztf.rs
index 64c38df..61b50aa 100644
--- a/src/kete_core/src/fov/ztf.rs
+++ b/src/kete_core/src/fov/ztf.rs
@@ -1,7 +1,7 @@
 //! # ZTF Fov definitions.
 // BSD 3-Clause License
 //
-// Copyright (c) 2025, Dar Dahlen
+// Copyright (c) 2026, Dar Dahlen
 // Copyright (c) 2025, California Institute of Technology
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/kete_core/src/frames/definitions.rs b/src/kete_core/src/frames/definitions.rs
index 3f2d018..66b9f15 100644
--- a/src/kete_core/src/frames/definitions.rs
+++ b/src/kete_core/src/frames/definitions.rs
@@ -12,7 +12,7 @@
 
 // BSD 3-Clause License
 //
-// Copyright (c) 2025, Dar Dahlen
+// Copyright (c) 2026, Dar Dahlen
 // Copyright (c) 2025, California Institute of Technology
 //
 // Redistribution and use in source and binary forms, with or without
@@ -177,6 +177,13 @@ impl NonInertialFrame {
     }
 
     /// Create non-inertial from from rotations
+    ///
+    /// # Arguments
+    /// * `time` - Time of the frame in TDB.
+    /// * `rotation` - Rotation matrix from this frame to the reference frame.
+    /// * `rotation_rate` - Rotation rate of this frame, if not defined, this is assumed to be zero.
+    /// * `reference_frame_id` - The frame that this frame is defined relative to.
+    /// * `frame_id` - The frame ID of this frame.
     pub fn from_rotations(
         time: Time<TDB>,
         rotation: Rotation3<f64>,
diff --git a/src/kete_core/src/frames/earth.rs b/src/kete_core/src/frames/earth.rs
index 3ee389f..60cdfc1 100644
--- a/src/kete_core/src/frames/earth.rs
+++ b/src/kete_core/src/frames/earth.rs
@@ -1,7 +1,7 @@
 //! Conversion tools to and from WGS84 coordinate system
 // BSD 3-Clause License
 //
-// Copyright (c) 2025, Dar Dahlen
+// Copyright (c) 2026, Dar Dahlen
 // Copyright (c) 2025, California Institute of Technology
 //
 // Redistribution and use in source and binary forms, with or without
@@ -73,6 +73,9 @@ pub fn prime_vert_radius(geodetic_lat: f64) -> f64 {
 }
 
 /// Compute earths geocentric radius at the specified latitude in km.
+///
+/// # Arguments
+/// * `geodetic_lat` - Geodetic latitude in radians.
 #[must_use]
 pub fn geocentric_radius(geodetic_lat: f64) -> f64 {
     let (sin, cos) = geodetic_lat.sin_cos();
@@ -82,7 +85,12 @@ pub fn geocentric_radius(geodetic_lat: f64) -> f64 {
         .sqrt()
 }
 
-/// Compute geodetic lat/lon/height in radians/km from ECEF position in km.
+/// Compute geodetic lat/lon/height in radians/km from ECEF position.
+///
+/// # Arguments
+/// * `x` - ECEF X position in km.
+/// * `y` - ECEF Y position in km.
+/// * `z` - ECEF Z position in km.
 #[must_use]
 pub fn ecef_to_geodetic_lat_lon(x: f64, y: f64, z: f64) -> (f64, f64, f64) {
     let longitude = f64::atan2(y, x);
@@ -103,14 +111,23 @@ pub fn ecef_to_geodetic_lat_lon(x: f64, y: f64, z: f64) -> (f64, f64, f64) {
     (geodetic_lat, longitude, height)
 }
 
-/// Compute geocentric latitude from geodetic lat/height in radians/km.
+/// Compute geocentric latitude from geodetic latitude.
+///
+/// # Arguments
+/// * `geodetic_lat` - Geodetic latitude in radians.
+/// * `h` - Height above sea level in km.
 #[must_use]
-pub fn geodetic_lat_to_geocentric(geodetic_lat: f64, h: f64) -> f64 {
+pub fn geodetic_lat_to_geocentric(geodetic_lat: f64, height: f64) -> f64 {
     let n = prime_vert_radius(geodetic_lat);
-    ((1.0 - EARTH_E2 * n / (n + h)) * geodetic_lat.tan()).atan()
+    ((1.0 - EARTH_E2 * n / (n + height)) * geodetic_lat.tan()).atan()
 }
 
-/// Compute the ECEF X/Y/Z position in km from geodetic lat/lon/height in radians/km.
+/// Compute the ECEF X/Y/Z position in km from geodetic position.
+///
+/// # Arguments
+/// * `geodetic_lat` - Geodetic latitude in radians.
+/// * `geodetic_lon` - Geodetic longitude in radians.
+/// * `height` - Height above sea level in km.
 #[must_use]
 pub fn geodetic_lat_lon_to_ecef(geodetic_lat: f64, geodetic_lon: f64, height: f64) -> [f64; 3] {
     let n = prime_vert_radius(geodetic_lat);
@@ -128,6 +145,9 @@ pub fn geodetic_lat_lon_to_ecef(geodetic_lat: f64, geodetic_lon: f64, height: f6
 ///
 /// The equation here is from the 2010 Astronomical Almanac.
 ///
+/// # Arguments
+/// * `jd` - Time in TDB scaled Julian Days.
+///
 #[must_use]
 pub fn earth_obliquity(jd: Time<TDB>) -> f64 {
     // centuries from j2000
@@ -144,6 +164,9 @@ pub fn earth_obliquity(jd: Time<TDB>) -> f64 {
 /// The ERA is the angle between the Greenwich meridian and the vernal equinox,
 /// the Equatorial J2000 X-axis.
 ///
+/// # Arguments
+/// * `time` - Time in UTC scaled Julian Days.
+///
 #[must_use]
 pub fn earth_rotation_angle(time: Time<UTC>) -> f64 {
     // Note that second number is not j2000, its the j2000 value in UTC time.
@@ -181,7 +204,6 @@ pub fn earth_rotation_angle(time: Time<UTC>) -> f64 {
 /// the 1976 model.
 ///
 /// # Arguments
-///
 /// * `time` - Time in TDB scaled Julian Days.
 ///
 #[inline(always)]
@@ -224,6 +246,13 @@ pub fn earth_precession_rotation(time: Time<TDB>) -> NonInertialFrame {
 /// This will be centered at the Earth, conversion to Sun centered
 /// requires a computation of Earths position.
 ///
+/// # Arguments
+/// * `time` - Time in TDB scaled Julian Days.
+/// * `geodetic_lat` - Geodetic latitude in radians.
+/// * `geodetic_lon` - Geodetic longitude in radians.
+/// * `height` - Height above sea level in km.
+/// * `desig` - Designation for the resulting state.
+///
 /// # Errors
 /// This can fail if the equatorial frame conversion fails.
 pub fn approx_earth_pos_to_ecliptic(
@@ -250,9 +279,9 @@ pub fn approx_earth_pos_to_ecliptic(
 /// This is approximate, but should be good to within a few minutes.
 ///
 /// # Arguments
-///    * `geodetic_lat` - Geodetic latitude in radians.
-///    * `geodetic_lon` - Geodetic longitude in radians.
-///    * `time` - Time in UTC scaled Julian Days.
+/// * `geodetic_lat` - Geodetic latitude in radians.
+/// * `geodetic_lon` - Geodetic longitude in radians.
+/// * `time` - Time in UTC scaled Julian Days.
 pub fn next_sunset_sunrise(
     geodetic_lat: f64,
     geodetic_lon: f64,
@@ -287,6 +316,9 @@ pub fn next_sunset_sunrise(
 /// Approximate the Sun's declination angle at solar noon at the specified date.
 ///
 /// Returns the declination in radians.
+///
+/// # Arguments
+/// * `time` - Time in UTC scaled Julian Days.
 #[must_use]
 pub fn approx_sun_dec(time: Time<UTC>) -> f64 {
     let obliquity = earth_obliquity(time.tdb());
@@ -314,6 +346,8 @@ pub fn approx_sun_dec(time: Time<UTC>) -> f64 {
 /// This is largely based off the approximation used by the USNO:
 ///     <https://aa.usno.navy.mil/faq/sun_approx>
 ///
+/// # Arguments
+/// * `time` - Time in UTC scaled Julian Days.
 #[must_use]
 pub fn equation_of_time(time: Time<UTC>) -> f64 {
     let time_since_j2000 = (time - Time::j2000()).elapsed;
@@ -333,6 +367,9 @@ pub fn equation_of_time(time: Time<UTC>) -> f64 {
 
 /// Approximate the next local solar noon time for a given geodetic longitude.
 ///
+/// # Arguments
+/// * `time` - Time in UTC scaled Julian Days.
+/// * `geodetic_lon` - Geodetic longitude in radians.
 pub fn approx_solar_noon(time: Time<UTC>, geodetic_lon: f64) -> Time<UTC> {
     // compute the next clock noon after the given time
     let noon = {
diff --git a/src/kete_core/src/frames/mod.rs b/src/kete_core/src/frames/mod.rs
index 6a0b056..c7a654c 100644
--- a/src/kete_core/src/frames/mod.rs
+++ b/src/kete_core/src/frames/mod.rs
@@ -4,7 +4,7 @@
 //!
 // BSD 3-Clause License
 //
-// Copyright (c) 2025, Dar Dahlen
+// Copyright (c) 2026, Dar Dahlen
 // Copyright (c) 2025, California Institute of Technology
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/kete_core/src/frames/rotation.rs b/src/kete_core/src/frames/rotation.rs
index b40df66..3cfef19 100644
--- a/src/kete_core/src/frames/rotation.rs
+++ b/src/kete_core/src/frames/rotation.rs
@@ -2,7 +2,7 @@
 //!
 // BSD 3-Clause License
 //
-// Copyright (c) 2025, Dar Dahlen
+// Copyright (c) 2026, Dar Dahlen
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are met:
diff --git a/src/kete_core/src/frames/vector.rs b/src/kete_core/src/frames/vector.rs
index eec0f8e..58af090 100644
--- a/src/kete_core/src/frames/vector.rs
+++ b/src/kete_core/src/frames/vector.rs
@@ -2,7 +2,7 @@
 //!
 // BSD 3-Clause License
 //
-// Copyright (c) 2025, Dar Dahlen
+// Copyright (c) 2026, Dar Dahlen
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are met:
diff --git a/src/kete_core/src/io/parquet.rs b/src/kete_core/src/io/parquet.rs
index 6cc6daf..de33030 100644
--- a/src/kete_core/src/io/parquet.rs
+++ b/src/kete_core/src/io/parquet.rs
@@ -2,7 +2,7 @@
 //!
 // BSD 3-Clause License
 //
-// Copyright (c) 2025, Dar Dahlen
+// Copyright (c) 2026, Dar Dahlen
 // Copyright (c) 2025, California Institute of Technology
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/kete_core/src/lib.rs b/src/kete_core/src/lib.rs
index b7441c5..059c97b 100644
--- a/src/kete_core/src/lib.rs
+++ b/src/kete_core/src/lib.rs
@@ -48,7 +48,7 @@
 //
 // BSD 3-Clause License
 //
-// Copyright (c) 2025, Dar Dahlen
+// Copyright (c) 2026, Dar Dahlen
 // Copyright (c) 2025, California Institute of Technology
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/kete_core/src/propagation/acceleration.rs b/src/kete_core/src/propagation/acceleration.rs
index a64a340..911164f 100644
--- a/src/kete_core/src/propagation/acceleration.rs
+++ b/src/kete_core/src/propagation/acceleration.rs
@@ -20,7 +20,7 @@
 //!
 // BSD 3-Clause License
 //
-// Copyright (c) 2025, Dar Dahlen
+// Copyright (c) 2026, Dar Dahlen
 // Copyright (c) 2025, California Institute of Technology
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/kete_core/src/propagation/kepler.rs b/src/kete_core/src/propagation/kepler.rs
index 253359b..8c8d557 100644
--- a/src/kete_core/src/propagation/kepler.rs
+++ b/src/kete_core/src/propagation/kepler.rs
@@ -4,7 +4,7 @@
 //!
 // BSD 3-Clause License
 //
-// Copyright (c) 2025, Dar Dahlen
+// Copyright (c) 2026, Dar Dahlen
 // Copyright (c) 2025, California Institute of Technology
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/kete_core/src/propagation/mod.rs b/src/kete_core/src/propagation/mod.rs
index d24aef4..35bd502 100644
--- a/src/kete_core/src/propagation/mod.rs
+++ b/src/kete_core/src/propagation/mod.rs
@@ -4,7 +4,7 @@
 //! (usually performance related).
 // BSD 3-Clause License
 //
-// Copyright (c) 2025, Dar Dahlen
+// Copyright (c) 2026, Dar Dahlen
 // Copyright (c) 2025, California Institute of Technology
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/kete_core/src/propagation/nongrav.rs b/src/kete_core/src/propagation/nongrav.rs
index 1f7cf31..30b5b60 100644
--- a/src/kete_core/src/propagation/nongrav.rs
+++ b/src/kete_core/src/propagation/nongrav.rs
@@ -1,6 +1,6 @@
 // BSD 3-Clause License
 //
-// Copyright (c) 2025, Dar Dahlen
+// Copyright (c) 2026, Dar Dahlen
 // Copyright (c) 2025, California Institute of Technology
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/kete_core/src/propagation/picard.rs b/src/kete_core/src/propagation/picard.rs
index 641c412..bd85a69 100644
--- a/src/kete_core/src/propagation/picard.rs
+++ b/src/kete_core/src/propagation/picard.rs
@@ -27,7 +27,7 @@
 ///
 // BSD 3-Clause License
 //
-// Copyright (c) 2025, Dar Dahlen
+// Copyright (c) 2026, Dar Dahlen
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are met:
diff --git a/src/kete_core/src/propagation/radau.rs b/src/kete_core/src/propagation/radau.rs
index 9e67221..01d1bd2 100644
--- a/src/kete_core/src/propagation/radau.rs
+++ b/src/kete_core/src/propagation/radau.rs
@@ -2,7 +2,7 @@
 /// This solves a second-order initial value problem.
 // BSD 3-Clause License
 //
-// Copyright (c) 2025, Dar Dahlen
+// Copyright (c) 2026, Dar Dahlen
 // Copyright (c) 2025, California Institute of Technology
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/kete_core/src/simult_states.rs b/src/kete_core/src/simult_states.rs
index cffbf74..f5125a2 100644
--- a/src/kete_core/src/simult_states.rs
+++ b/src/kete_core/src/simult_states.rs
@@ -3,7 +3,7 @@
 //
 // BSD 3-Clause License
 //
-// Copyright (c) 2025, Dar Dahlen
+// Copyright (c) 2026, Dar Dahlen
 // Copyright (c) 2025, California Institute of Technology
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/kete_core/src/spice/ck.rs b/src/kete_core/src/spice/ck.rs
index e06cb4d..9609e1e 100644
--- a/src/kete_core/src/spice/ck.rs
+++ b/src/kete_core/src/spice/ck.rs
@@ -7,7 +7,7 @@
 //!
 // BSD 3-Clause License
 //
-// Copyright (c) 2025, Dar Dahlen
+// Copyright (c) 2026, Dar Dahlen
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are met:
diff --git a/src/kete_core/src/spice/ck_segments.rs b/src/kete_core/src/spice/ck_segments.rs
index c1fd545..b0ebe9b 100644
--- a/src/kete_core/src/spice/ck_segments.rs
+++ b/src/kete_core/src/spice/ck_segments.rs
@@ -1,6 +1,6 @@
 // BSD 3-Clause License
 //
-// Copyright (c) 2025, Dar Dahlen
+// Copyright (c) 2026, Dar Dahlen
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are met:
diff --git a/src/kete_core/src/spice/daf.rs b/src/kete_core/src/spice/daf.rs
index 52b162f..294c949 100644
--- a/src/kete_core/src/spice/daf.rs
+++ b/src/kete_core/src/spice/daf.rs
@@ -11,7 +11,7 @@
 //!
 // BSD 3-Clause License
 //
-// Copyright (c) 2025, Dar Dahlen
+// Copyright (c) 2026, Dar Dahlen
 // Copyright (c) 2025, California Institute of Technology
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/kete_core/src/spice/interpolation.rs b/src/kete_core/src/spice/interpolation.rs
index 7a5b245..61a7e1c 100644
--- a/src/kete_core/src/spice/interpolation.rs
+++ b/src/kete_core/src/spice/interpolation.rs
@@ -4,7 +4,7 @@
 //!
 // BSD 3-Clause License
 //
-// Copyright (c) 2025, Dar Dahlen
+// Copyright (c) 2026, Dar Dahlen
 // Copyright (c) 2025, California Institute of Technology
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/kete_core/src/spice/mod.rs b/src/kete_core/src/spice/mod.rs
index 352d781..dcea084 100644
--- a/src/kete_core/src/spice/mod.rs
+++ b/src/kete_core/src/spice/mod.rs
@@ -2,7 +2,7 @@
 //! Primarily includes the ability to read the contents of SPK files.
 // BSD 3-Clause License
 //
-// Copyright (c) 2025, Dar Dahlen
+// Copyright (c) 2026, Dar Dahlen
 // Copyright (c) 2025, California Institute of Technology
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/kete_core/src/spice/naif_ids.rs b/src/kete_core/src/spice/naif_ids.rs
index a8395e2..50f9685 100644
--- a/src/kete_core/src/spice/naif_ids.rs
+++ b/src/kete_core/src/spice/naif_ids.rs
@@ -3,7 +3,7 @@
 //! implementation.
 // BSD 3-Clause License
 //
-// Copyright (c) 2025, Dar Dahlen
+// Copyright (c) 2026, Dar Dahlen
 // Copyright (c) 2025, California Institute of Technology
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/kete_core/src/spice/obs_codes.rs b/src/kete_core/src/spice/obs_codes.rs
index 097b520..71e0876 100644
--- a/src/kete_core/src/spice/obs_codes.rs
+++ b/src/kete_core/src/spice/obs_codes.rs
@@ -1,7 +1,7 @@
 //! Observatory codes used by the MPC
 // BSD 3-Clause License
 //
-// Copyright (c) 2025, Dar Dahlen
+// Copyright (c) 2026, Dar Dahlen
 // Copyright (c) 2025, California Institute of Technology
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/kete_core/src/spice/pck.rs b/src/kete_core/src/spice/pck.rs
index a5ce7eb..84e93fe 100644
--- a/src/kete_core/src/spice/pck.rs
+++ b/src/kete_core/src/spice/pck.rs
@@ -7,7 +7,7 @@
 //!
 // BSD 3-Clause License
 //
-// Copyright (c) 2025, Dar Dahlen
+// Copyright (c) 2026, Dar Dahlen
 // Copyright (c) 2025, California Institute of Technology
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/kete_core/src/spice/pck_segments.rs b/src/kete_core/src/spice/pck_segments.rs
index 7d2ff74..00ed180 100644
--- a/src/kete_core/src/spice/pck_segments.rs
+++ b/src/kete_core/src/spice/pck_segments.rs
@@ -14,7 +14,7 @@
 //!
 // BSD 3-Clause License
 //
-// Copyright (c) 2025, Dar Dahlen
+// Copyright (c) 2026, Dar Dahlen
 // Copyright (c) 2025, California Institute of Technology
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/kete_core/src/spice/sclk.rs b/src/kete_core/src/spice/sclk.rs
index c18a072..a3397fc 100644
--- a/src/kete_core/src/spice/sclk.rs
+++ b/src/kete_core/src/spice/sclk.rs
@@ -1,7 +1,7 @@
 /// Parsing text of SPICE SCLK kernels.
 // BSD 3-Clause License
 //
-// Copyright (c) 2025, Dar Dahlen
+// Copyright (c) 2026, Dar Dahlen
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are met:
diff --git a/src/kete_core/src/spice/spk.rs b/src/kete_core/src/spice/spk.rs
index e814894..8879111 100644
--- a/src/kete_core/src/spice/spk.rs
+++ b/src/kete_core/src/spice/spk.rs
@@ -20,7 +20,7 @@
 //!
 // BSD 3-Clause License
 //
-// Copyright (c) 2025, Dar Dahlen
+// Copyright (c) 2026, Dar Dahlen
 // Copyright (c) 2025, California Institute of Technology
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/kete_core/src/spice/spk_segments.rs b/src/kete_core/src/spice/spk_segments.rs
index 79f5f79..94c79fa 100644
--- a/src/kete_core/src/spice/spk_segments.rs
+++ b/src/kete_core/src/spice/spk_segments.rs
@@ -13,7 +13,7 @@
 //! similar internal structures.
 // BSD 3-Clause License
 //
-// Copyright (c) 2025, Dar Dahlen
+// Copyright (c) 2026, Dar Dahlen
 // Copyright (c) 2025, California Institute of Technology
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/kete_core/src/state.rs b/src/kete_core/src/state.rs
index 6e0f7da..ac8ad29 100644
--- a/src/kete_core/src/state.rs
+++ b/src/kete_core/src/state.rs
@@ -18,7 +18,7 @@
 //
 // BSD 3-Clause License
 //
-// Copyright (c) 2025, Dar Dahlen
+// Copyright (c) 2026, Dar Dahlen
 // Copyright (c) 2025, California Institute of Technology
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/kete_core/src/time/leap_second.rs b/src/kete_core/src/time/leap_second.rs
index f032c45..e266f7c 100644
--- a/src/kete_core/src/time/leap_second.rs
+++ b/src/kete_core/src/time/leap_second.rs
@@ -1,7 +1,7 @@
 //! Leap Second information
 // BSD 3-Clause License
 //
-// Copyright (c) 2025, Dar Dahlen
+// Copyright (c) 2026, Dar Dahlen
 // Copyright (c) 2025, California Institute of Technology
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/kete_core/src/time/mod.rs b/src/kete_core/src/time/mod.rs
index c6dacba..1d9b490 100644
--- a/src/kete_core/src/time/mod.rs
+++ b/src/kete_core/src/time/mod.rs
@@ -4,7 +4,7 @@
 //! See [`Time`] for the representation of time itself.
 // BSD 3-Clause License
 //
-// Copyright (c) 2025, Dar Dahlen
+// Copyright (c) 2026, Dar Dahlen
 // Copyright (c) 2025, California Institute of Technology
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/kete_core/src/time/scales.rs b/src/kete_core/src/time/scales.rs
index e1a2ee0..afdb9e0 100644
--- a/src/kete_core/src/time/scales.rs
+++ b/src/kete_core/src/time/scales.rs
@@ -7,7 +7,7 @@
 //! 2 ms apart over a century.
 // BSD 3-Clause License
 //
-// Copyright (c) 2025, Dar Dahlen
+// Copyright (c) 2026, Dar Dahlen
 // Copyright (c) 2025, California Institute of Technology
 //
 // Redistribution and use in source and binary forms, with or without
diff --git a/src/kete_core/src/util.rs b/src/kete_core/src/util.rs
index 6a665df..57a75cb 100644
--- a/src/kete_core/src/util.rs
+++ b/src/kete_core/src/util.rs
@@ -2,7 +2,7 @@
 //
 // BSD 3-Clause License
 //
-// Copyright (c) 2025, Dar Dahlen
+// Copyright (c) 2026, Dar Dahlen
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are met: