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clarify the coordinate systems used in `Orbit` and `Ephem` objects
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- [x] There has been no addition to the comments at the top of the file indicating what was added to this dictionary and when. These need to be added.
The following definitions are problematic for …
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https://rhodesmill.org/skyfield/
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TL;DR: SSDB API offers "time since periapsis" value, so we can work from there.
Use this for reference: https://ssd.jpl.nasa.gov/sb/orbits.html
[Claude AI output - feels correct]
To convert "tim…
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Julia 1.9.2, Windows 10 Pro 64bit:
```
(@v1.9) pkg> add CALCEPH
Resolving package versions...
Updating `C:\Users\mlap\.julia\environments\v1.9\Project.toml`
[1537fe66] + CALCEPH v1.1.0
…
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https://github.com/OSSOS/SurveySimulator/blob/3a2b24a57a85056d3a3c559ef025bf7b7429f45c/fortran/F95/xvutils.f95#L223
BaryXV returns ecliptic coordinates. If JPL coordinates are an ecliptic referen…
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As part of a NASA-funded project (sbpy), we will add a number of services to astroquery over the next three years. This list is just to provide a heads-up for everyone:
* [x] JPL Small-Body Databas…
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The challenge [Develop the Oracle of DSCOVR](https://www.spaceappschallenge.org/2023/challenges/develop-the-oracle-of-dscovr) is proposing taking a ~blind / low-level approach to predicting geomagneti…
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I am having issues with fitting an orbit of an asteroid using find_orb's orbit determination function. I am currently building an end-to-end tester for find_orb, and one of the parameters it outputs i…
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Is there a way to request the position of multiple asteroids at a single time with one (or two) Horizons() calls? The documentation seems to imply the ```id``` kwarg only supports exact string matche…