-
For Earth satellites in high orbits, the effects of the Moon become important and the time between published TLE epochs become longer. Satellites like Spektr-R and IBEX have 10-day orbits for example.…
-
I failed in load de430.bsp
Following code is my snippet:
```
from skyfield.api import load
ts = load.timescale()
t = ts.utc(2016,7,5,[1,2,3],23)
planets = load('de430.bsp') # can bot use d…
-
as i understood, those ephemeris file are newer than jpl and tend to integrate last data known (last release 2017) but they have less segments.
worth mentioning:
after some minor test, inpop files,…
-
Downloading entire ephemerides takes up a lot of time and space. As it turns out, NASA's servers support HTTP/1.1 byte range requests. For example:
curl -o test.txt -r 120000000-130000000 ftp://ssd.…
-
There needs to be a way to disable this warning message. It's now spamming up bao's server logs:
```
/usr/local/lib/python2.7/dist-packages/caput/mpiutil.py:77: UserWarning: Warning: mpi4py not i…
-
The missing stars, by 'common' name, are: Acamar, Acrux, Adhara, Alkaid, Alpheratz, Ankaa, Atria, Avior, Diphda, Eltanin, Formalhaut, Gacrux, Gienah, Hadar, Menkent, Miaplacidus, Mirfak, Rigil Kentaur…
-
```
# Input variables
>>>RAPnt = 18.36330032E+01 # in degrees
>>>DecPnt = 2.20139999E+01 # in degrees
>>>c = SkyCoord(ra=RAPnt*u.degree, dec=DecPnt*u.degree)
>>>RAhours = c.ra.hour
>>>DecDegre…
tanul updated
7 years ago
-
I wanted to make a PR for #81, but running py.test as per HACKING fails on current master with:
```
$ py.test skyfield/tests/test_timelib.py
========= test session starts ============================…
-
While playing around with Pyephem I tried to calculate the data for [this ISS pass over Budapest.](http://www.heavens-above.com/passdetails.aspx?lat=47.4979&lng=19.0402&loc=Budapest&alt=108&tz=CET&cul…
-
If you load a TLE up as per the docs http://rhodesmill.org/skyfield/earth-satellites.html then the EarthSatellite object that is created seems to have no public method to get the cat number. However i…