I believe that this question has been answered before in our answer to “The Earth-Moon Spin-Orbit Resonance” question. The…
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Why is the Moon Moving Away From the Earth When Orbiting Black Holes Ultimately Collide?
The reason that the Moon is slowly moving away from the Earth is due to the interaction of the…

How to Interpret the Observation Date Format from the Minor Planet Center (MPC)
I believe that the observation date format which includes a decimal on the day value indicates fractions of a…

Why is the Earth Less Cratered than the Moon?
Even though the Earth and the Moon have been bombarded by the same flux of impacting objects, the evidence…

A Question About the Shape of the Asteroid and Kuiper Belts
The asteroid and Kuiper (or “Trans-Neptunian Region”) belts are composed of remnant material left over from the formation of…

How to Calculate the Orbital Period of a Comet Given its Closest and Furthest Orbital Distance
Given the minimum and maximum distance of the orbit of a comet in an elliptical orbit, you can use…