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When adding Equinoctial elements in addition to Keplerian and Cartesian elements, keeping track of which ones are valid and which need updating is more involved, and may require a bit of thought befor…
togry updated
10 hours ago
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# High level description
Nyx uses the hyperdual representation of an orbit to compute the partial derivatives of orbital elements with respect to the Cartesian elements. At the moment, the multivar…
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From https://github.com/mockingbirdnest/Principia/issues/4050 and many earlier discussions; it would be nice to be able to do something like the GRAIL launch.
- We would want a flight-plan-like ent…
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Hi!
I have a satellite on-orbit which has a GPS unit built in. I have a list of ECEF positions and velocities. There are 20 of these data points, spaced out by 10 seconds each. Is there a good way …
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I just stumbled on src/pint/orbital/kepler.py. As far as I can tell, it is not use anywhere but in the unit tests for itself. It also does not use astropy Quantities and units as the rest of PINT trie…
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@IrinaPonomareva
сейчас мы штрафуем следующим образом
- берем разницу между параметрами орбиты в начале и в конце сессии (Кеплер)
- умножаем на коэффициенты значимости (significance)
- с…
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See https://en.wikipedia.org/wiki/Conic_section and http://www.braeunig.us/space/orbmech.htm
* A conic section has a variable amount of eccentricity. 0 means a circle, >0 and 1 means hyperbola. =1 …
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Hi folks,
I can't help but notice there is a lot of overlap between PlanetOrbits.jl and Orbits.jl.
Thoughts on merging these two packages? **Edit:** see previous discussion here https://github.com/J…
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While working on the circular restricted three-body problem, @DhruvJ22 realized that he needs the mean distance between 2 primaries, for example sun-earth, earth-moon, sun-mars, sun-jupiter, saturn-ti…
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Could these orbital markers be added to Stellarium and be turned on and off like the equinoxes and solstices symbols etc? The Earth’s and the other planets distance points like Perihelion and Aphelion…