search

matthewholman / assist

ASSIST is a software package for ephemeris-quality integrations of test particles.
https://assist.readthedocs.io/
GNU General Public License v3.0
24 stars 10 forks source link

Jpl test #18

Closed hannorein closed 1 year ago

hannorein commented 1 year ago

I've populated the first unit_test with actual data from JPL Horizons. And I think it works! That shouldn't be a surprise all the tests you've already done but it means I use the code correctly (and we have a useful unit test)!

Can you confirm that the precision requirements are what you would expect? I integrate asteroid Holman for 30 days after which I get a position error of <10cm and a velocity error of < 5mm/day.

matthewholman commented 1 year ago

I get a positional error of about 20 m after 30 days.

hannorein commented 1 year ago

Hm. For some reason my test is accurate than yours. Oh well..