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Update Positions doc: we now do comets, asteroids

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Brandon Rhodes 2020-07-09 20:45:44 -04:00
parent 1e7a7a0b58
commit 2c13217b05
1 changed files with 6 additions and 4 deletions
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skyfield/documentation/positions.rst
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@ -146,10 +146,12 @@ or else by generating a whole series of positions.
astrometric = boston.at(t).observe(mars)
apparent = boston.at(t).observe(mars).apparent()
**Small Solar System objects**
Work is underway to support comets and asteroids.
In the meantime,
any Type 1 or Type 21 ephemerides you generate
**Comets and Minor Planets Asteroids**
Comet, asteroid, and other minor planet positions
can be generated through Skyfield’s :doc:`kepler-orbits` support
of data files downloaded from the Minor Planet Center.
And any Type 1 or Type 21 ephemerides you generate
using NASA’s `HORIZONS <https://ssd.jpl.nasa.gov/horizons.cgi>`_ system
are supported through third-party libraries;
for details, see :ref:`third-party-ephemerides`.