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Christo

Apparently, this user prefers to keep an air of mystery about them.

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10 Why is JD 2451545.0 = January 1, 2000, Noon instead of JD 2451558.0? Sep 19 '16
6 Property of elliptical orbits May 24 '17
5 What causes the Earth to have gravity? Nov 30 '16
5 J2 perturbations and orbits Oct 18 '16
4 How does the ITRS frame related to ECEF frame? Mar 15 '18
4 Are there any unmanned large telescopes located on Earth? Jun 27 '17
4 Is the SOI a spherical region or a oblate-spheroid-shaped region? Feb 23 '15
3 How to calculate the current distance between two planets Oct 26 '16
1 Is there a MATLAB equivalent of PyEphem? Nov 11 '16

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