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Space Exploration
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Rafa's user avatar
Rafa's user avatar
Rafa
  • Member for 3 years, 2 months
  • Last seen more than a month ago
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17
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Top posts
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question
18
How can we determine the most appropriate central body for orbit propagation?
Feb 17, 2022
question
15
Are there multiple types of UTC time?
Dec 1, 2023
question
12
Why are uncertainties of orbital state vectors provided as covariance matrixes?
Jan 11, 2022
question
10
Are there any sources with high-confidence state vectors for GRAIL-A?
Mar 6, 2023
question
8
Conversion of velocity vectors between ICRF frames with different central objects
Mar 1, 2022
question
8
How is the Celestial Ephemeris Pole (CEP) exactly defined?
Sep 29, 2021
question
7
For any state vector of a satellite at an arbitrary time T1, is there another state vector at a given time T2 that will result in the same orbit?
Oct 18, 2021
question
7
Calculating accurately area on the surface of Earth visible from a point in space
Dec 21, 2021
question
5
Rates of change of Euler angles to angular velocity of a rotating coordinate system
Jan 16
question
4
What are exactly each of the coefficients in Modified Difference Arrays?
Mar 22, 2023
Top network posts
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6
How to make a Python function return the Moon's gravitational force (acceleration) to calculate orbits?
5
Discrepancy in Horizons planet ephemerides for equivalent times in TT and UTC in dates during 1969