| Name | satelles JSON |
| Version |
0.12.0
JSON |
| download |
| home_page | None |
| Summary | Modern, type-safe python library for TLE, OMM et al. handling and orbit propagation to accurately locate your satellites in the sky. |
| upload_time | 2025-07-15 07:50:17 |
| maintainer | None |
| docs_url | None |
| author | None |
| requires_python | >=3.13 |
| license | MIT License
Copyright (c) 2025 Michael J. Roberts
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE. |
| keywords |
astrodynamics
astronomy
omm
orbit
propagation
satellite
tle
|
| VCS |
|
| bugtrack_url |
|
| requirements |
No requirements were recorded.
|
| Travis-CI |
No Travis.
|
| coveralls test coverage |
No coveralls.
|
[](https://opensource.org/licenses/MIT)
[](https://github.com/michealroberts/satelles/actions/workflows/test.yml)
# Satelles
Modern, type-safe, zero-dependency python library for TLE, OMM et al. handling and orbit propagation to accurately locate your satellites in the sky.
## Installation
```bash
uv add satelles
```
or
using your preferred environment / package manager of choice, e.g., `poetry`, `conda` or `pip`:
```bash
pip install satelles
```
```bash
poetry add satelles
```
```bash
conda install satelles
```
## Usage
```python
from datetime import datetime, timezone
from satelles import TLE
issTLE: str = """
1 25544U 98067A 20062.59097222 .00016717 00000-0 10270-3 0 9006
2 25544 51.6442 147.1064 0004607 95.6506 329.8285 15.49249062 2423
"""
satellite = TLE(tle_string=issTLE).as_satellite()
satellite.at(when=datetime(2021, 5, 15, 0, 0, 0, tzinfo=timezone.utc))
# Get the Earth Centric Inertial (ECI) coordinate of the satellite at the given time:
eci = satellite.eci_coordinate
# Get the Equatorial Coordinate of the satellite at the given time:
equatorial = satellite.equatorial_coordinate
...
```
As the API is fully typed, you can use your IDE's autocompletion to see all the available methods and properties.
We have also provided further usage examples in the [examples](./examples) directory.
## Milestones
- [X] Type-safe modern 3.6+ Python
- [X] Fully unit tested
- [X] Simpler API using Pydantic base models for validation
- [X] Zero-external dependencies (pure Python 3.6+ with no external C/C++ dependencies)
- [ ] Example API usage
- [X] Fully supported Two-Line Element (TLE) parsing and operations
- [ ] Fully supported Orbital Mean Elements Message (OMM) parsing and operations
- [ ] Fully supported TLE to OMM conversion
- [ ] Fully supported laser ranging formats (e.g., CPF and CRD).
- [X] Fully supported Earth Centred-Earth Fixed (ECEF) to East-North-Up (ENU) conversion
- [X] Fully supported Earth Centric Inertial (ECI) to Equatorial Coordinate System (ECS) conversion
- [X] Fully supported Earth Centric Inertial (ECI) to Topocentric Coordinate System (TCS) conversion
- [ ] Fully supported SPG4-XP propagation from TLE or OMM
- [X] Fully supported symplectic Verlet numerical propagation
- [X] Fully supported Runge-Kutta 4th order numerical propagation
- [X] Modified Julian Date utilities
---
### License
This project is licensed under the terms of the MIT license.
Raw data
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"description": "\n\n[](https://opensource.org/licenses/MIT)\n[](https://github.com/michealroberts/satelles/actions/workflows/test.yml)\n\n# Satelles\n\nModern, type-safe, zero-dependency python library for TLE, OMM et al. handling and orbit propagation to accurately locate your satellites in the sky.\n\n## Installation\n\n```bash\nuv add satelles\n```\n\nor\n\nusing your preferred environment / package manager of choice, e.g., `poetry`, `conda` or `pip`:\n\n```bash\npip install satelles\n```\n\n```bash\npoetry add satelles\n```\n\n```bash\nconda install satelles\n```\n\n## Usage\n\n```python\nfrom datetime import datetime, timezone\n\nfrom satelles import TLE\n\nissTLE: str = \"\"\" \n 1 25544U 98067A 20062.59097222 .00016717 00000-0 10270-3 0 9006\n 2 25544 51.6442 147.1064 0004607 95.6506 329.8285 15.49249062 2423\n\"\"\"\n\nsatellite = TLE(tle_string=issTLE).as_satellite()\n\nsatellite.at(when=datetime(2021, 5, 15, 0, 0, 0, tzinfo=timezone.utc))\n\n# Get the Earth Centric Inertial (ECI) coordinate of the satellite at the given time:\neci = satellite.eci_coordinate\n\n# Get the Equatorial Coordinate of the satellite at the given time:\nequatorial = satellite.equatorial_coordinate\n...\n```\n\nAs the API is fully typed, you can use your IDE's autocompletion to see all the available methods and properties.\n\nWe have also provided further usage examples in the [examples](./examples) directory.\n\n## Milestones\n\n- [X] Type-safe modern 3.6+ Python\n- [X] Fully unit tested\n- [X] Simpler API using Pydantic base models for validation\n- [X] Zero-external dependencies (pure Python 3.6+ with no external C/C++ dependencies)\n- [ ] Example API usage\n- [X] Fully supported Two-Line Element (TLE) parsing and operations\n- [ ] Fully supported Orbital Mean Elements Message (OMM) parsing and operations\n- [ ] Fully supported TLE to OMM conversion\n- [ ] Fully supported laser ranging formats (e.g., CPF and CRD).\n- [X] Fully supported Earth Centred-Earth Fixed (ECEF) to East-North-Up (ENU) conversion\n- [X] Fully supported Earth Centric Inertial (ECI) to Equatorial Coordinate System (ECS) conversion\n- [X] Fully supported Earth Centric Inertial (ECI) to Topocentric Coordinate System (TCS) conversion\n- [ ] Fully supported SPG4-XP propagation from TLE or OMM\n- [X] Fully supported symplectic Verlet numerical propagation\n- [X] Fully supported Runge-Kutta 4th order numerical propagation\n- [X] Modified Julian Date utilities\n\n---\n\n### License\n\nThis project is licensed under the terms of the MIT license.\n",
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