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🐞 **Problem**
I don't know if I implemented it incorrectly, but when I use `third_body` from `poliastro.core.perturbations` the accelerations I get as output are in `km3/s2` instead of `km/s2` as s…
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🐞 **Problem**
I have start and end epochs defined as `` and ``, and when they are used in the `build_ephem_interpolant` function I get the following error :
```python
Traceback (most recent c…
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🐞** Problem**
While working on #475, I found the following paper:
* http://derastrodynamics.com/docs/kepler_algorithms_v2.pdf
A total of four examples can be found in this paper. In e…
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In ODE, when an event generates a RESET_STATE, the step is truncated, state is reset, and the next step will start from the event date. In some cases, either due to the reset itself or to numerical no…
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**Background**
The `core/perturbations.py` module has an existing [`shadow_function`](https://github.com/poliastro/poliastro/blob/main/src/poliastro/core/perturbations.py#L180) which uses geometric…
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Frames validation has been a long discussion topic and several issues within official poliastro repository have been opened about it, see:
* Planetary frames validation: https://github.com/poliastr…
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Something has changed, and the Jupiter and Moon frame conversion tests are no longer passing 😨
There is no new release of Orekit and it looks like this is failing since this pull request in poliastro…
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In the early days of poliastro, a question was raised about the reference frames of bodies other than the Earth:
http://physics.stackexchange.com/q/69792/7641
The answer is that these are define…
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"The Simplified General Perturbations Version 4 (SGP4) propagator (in version 8) now includes major new capabilities in the form of extended perturbations (XP) producing significant accuracy improveme…
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This call now creates an exception:
- https://github.com/Hipparchus-Math/hipparchus/blob/b7b56c834d075d637e9381aaa00f083789db068a/hipparchus-core/src/main/java/org/hipparchus/linear/FieldLUDecomposit…