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Results tagged with skyfield
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user 37597
4
votes
Ephemeris output from Skyfield
Skyfield, like most other tools that claim the ability to process TLE data, depends on a bunch of people's educated but aged guesses about what SGP4 might have been doing some time ago, rather than giving …
- 8,769
2
votes
Why can n2yo somehow interpret this TLE but Skyfield can't? Why does it return nans and zero...
Attempting to use the Space Force SGP4 library directly, the TLE loads without errors, because it parses correctly. The error comes as soon as I do anything with it. They all look like "Sgp4Update: …
- 8,769
4
votes
Accepted
What are the product terms shown here representing an orbit?
Those numbers are the altitudes of perigee (lowest) and apogee (highest). They are given as heights, $h_p$ and $h_a\ $, above Earth's surface. This requires you to assume a value for Earth's radius, …
- 8,769
6
votes
Accepted
Has Skyfield or any other SGP4-capable open-source Python package yet wrapped/implemented th...
However, this does not meet your stated desire, since it knows nothing of skyfield, astropy, or any other module outside the basic Python distribution, because that's the way my employer wanted it. …
- 8,769
6
votes
How can I plot satellite's trajectory from three different TLEs to detect any deviation on p...
You're plotting the orbit of a geosynchronous satellite in active commercial use. At the scale you've drawn it, it has to overlap exactly, because variation smaller than you can see at this magnifica …
- 8,769