Add skill: orbital-elements-to-state

skills/orbital-elements-to-state/README.md

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+# orbital-elements-to-state
+
+Convert six classical orbital elements to J2000 ECI state vectors position and velocity using Vallado Equation 2-73 vy=v_factor*(e+cos(nu)) with Newton iteration for Kepler equation. Use when user needs orbital mechanics coordinate transformation.
+
+## Installation
+
+```bash
+refly skill install skp-mgk1izoiaexr9pw7ozgigy6b
+```
+
+## Triggers
+
+- orbital elements to state
+- convert orbital elements
+- 六根数转状态矢量
+
+## Tags
+
+`orbital` `astronomy` `space` `gnss` `mechanics`
+
+## Author
+
+jsy96
+
+## Links
+
+- [View on Refly](https://refly.ai/skill/skp-mgk1izoiaexr9pw7ozgigy6b)

skills/orbital-elements-to-state/SKILL.md

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+---
+name: orbital-elements-to-state
+description: Convert six classical orbital elements to J2000 ECI state vectors position and velocity using Vallado Equation 2-73 vy=v_factor*(e+cos(nu)) with Newton iteration for Kepler equation. Use when user needs orbital mechanics coordinate transformation.
+skillId: skp-mgk1izoiaexr9pw7ozgigy6b
+workflowId: see-workflow-mapping
+triggers:
+  - orbital elements to state
+  - convert orbital elements
+  - 六根数转状态矢量
+tags:
+  - orbital
+  - astronomy
+  - space
+  - gnss
+  - mechanics
+version: 1.0.0
+---
+
+# orbital-elements-to-state
+
+Convert six classical orbital elements to J2000 ECI state vectors position and velocity using Vallado Equation 2-73 vy=v_factor*(e+cos(nu)) with Newton iteration for Kepler equation. Use when user needs orbital mechanics coordinate transformation.
+
+## Installation
+
+```bash
+refly skill install skp-mgk1izoiaexr9pw7ozgigy6b
+```
+
+## Usage
+
+After installation, run the skill using your installation ID:
+
+```bash
+refly skill run <installationId> --input '{}'
+```
+
+The installation ID is returned when you run `refly skill install`.