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forrestguice / SuntimesWidget

Android app (and widget collection) that displays sunlight and moonlight times.
GNU General Public License v3.0
339 stars 61 forks source link

[Feature request] Add Planets #584

Open ghost opened 2 years ago

ghost commented 2 years ago

Suggestion to add planets

https://github.com/davemorrissey/sundroid

sun sun3 sun4

forrestguice commented 2 years ago

At the moment the app calculates everything it shows. I think this feature would require shipping the planet data (and periodically updating it).

I'm not opposed to having the app support more "general astronomy" type features. I'll give it some thought, but it might be "out-of-scope".

ghost commented 2 years ago

Thank you for considering request expected the features in feature.

adlai commented 2 years ago

I think it would be unreasonable feature creep; from the fundamental perspective, it turns the three-body problem into an unbounded nightmare... do you include comets? artificial satellites?

Please keep data blobs to a minimum.

rillian commented 1 year ago

FWIW if you want to do this, models like VSOP87 are compact on the scale of app assets, are quite accurate and should be good for several centuries. Planetary positions are generally easier to calculate than the moon.