-
Since this integration is already calculating the positions of the planets, it would be nice to have it provide sensors for the:
- current visibility
- current direction
- current altitude
- tod…
-
**Describe the bug**
When generating an orbit with sgp4, the expected altitude may be off by up to 10s of km for LEO orbits.
**To Reproduce**
```
import pysat
sat = pysat.Instrument('missions',…
-
I am new to Skyfield and have the following question.
```
import numpy as np
from skyfield.api import load, wgs84
lon = np.array([0, 10, 20, 30])
ts = load.timescale()
time = ts.utc(2020, 1,…
-
I've been reading over [the documentation](https://rhodesmill.org/skyfield/api-position.html) and I can't quite figure out how to leverage skyfield to convert a coordinate from earth-centered inertial…
-
### Discussed in https://github.com/skyfielders/python-skyfield/discussions/950
Originally posted by **YingChangJ** March 22, 2024
Hello,
I am playing with moon Planetary Reference Frames fu…
-
Including some kind of solar position calculator would be useful to a variety of calculations, including wet bulb globe temperate (WBGT #1374 ) and plotting theoretical solar radiation curves for mete…
-
**Describe the bug**
QuartiCal will fail if parallactic angles are enabled on a system which doesn't have the casadata files and a properly configured `.casarc` as the data files will not be found. @…
-
Hi, I am learning to use skyfield recently, it is really a nice tool, and I got a problem now.
I'm trying to compute the solar altitude and azimuth obeserved from the mars, and I find an official exa…
-
Firstly, I'm a huge fan of the project and as a 100% amateur astronomy/astrophysics nerd, many many kudos for making something that is incredibly complex very easy to understand :grin: !
I know th…
-
I tried to batch install packages from https://github.com/pepi-p/python-skyfield/blob/master/requirements.txt on windows 11, MINGW64, Python 3.12.2, but It failed.
The reason was the imp module on wh…