14 How does orbital eccentricity affect positions of Lagrange points $L_4$ and $L_5$? 2013-11-23T04:46:58.450

11 What was the mascon "fix" used by Apollo 12? 2013-11-20T10:24:22.323

9 Alternatives to centripetal force and constant acceleration to simulate Earth-like gravity 2013-07-19T13:48:38.687

8 How to calculate libration amplitude of objects orbiting the $L_4$, $L_5$? 2013-11-23T14:21:52.217

7 How can an orbiting spacecraft's motions yield the orbitee's deep structure? 2016-01-01T14:07:51.740

4 For the mathematical relationship between J2 (km^5/s^2) and dimensionless J2 - which one is derived from the other? 2017-09-10T06:14:51.527

3 What kinds of objects could we potentially observe through gravitational waves? 2016-03-01T11:41:18.250

2 Which perturbs LEO satellites more, the Moon's gravity directly, or the changes in Earth's gravity field due to the Moon? 2017-06-10T17:37:24.310

1 What formulas do I use to calculate the gravity and drag forces on an object ascending from Earth's surface? 2016-06-05T23:26:22.990