Convert JPL SPK ephemeris to numpy array
Project description
Author: Behrouz Safari
License: MIT
numeph
Convert JPL SPK ephemeris to numpy array
Installation
Install the latest version of numeph from PyPI:
pip install numeph
Requirements are numpy and jplephem
Save some segments from 'de440s.bsp' from 2020 to 2030:
Let's get the positions of the sun between two times:
from numeph import save_segments
t1 = datetime(2020, 1, 1)
t2 = datetime(2030, 1, 1)
save_segments(in_file='de440s.bsp',
out_file='de440s_2020_2030.pickle',
t1=t1,
t2=t2,
seg_list=[*range(12)])
get position of an object from a segment:
from numeph import get_pos
t = datetime.utcnow()
pos = get_pos(file='de440s_2020_2030.pickle',
segment_ind=2,
time=t)
See more at astrodatascience.net
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