List questions from celestial-mechanics

82

Views

By how much would the length of the solar day change if Earth's rotation were suddenly to reverse direction?

Published on 25 Mar 2026 - 11:24

39

Views

Are there conditions under which it is practicable to use Vesc = sqrt(2gr) instead of Vesc = sqrt(2GM/r)?

Published on 25 Mar 2026 - 9:49

44

Views

One body problem: position as function of time

Published on 25 Mar 2026 - 9:53

25

Views

Maximum possible rate of change of length-of-day?

Published on 25 Mar 2026 - 9:50

327

Views

κ₀ for Mercury—Formula

Published on 30 Apr 2026 - 10:51

243

Views

κ̄₀ for Mercury—Formula (BIS—Different definition of the term/angle)

Published on 25 Mar 2026 - 9:38

44

Views

Relationship between lifetime of tech civilisations and time taken for a roundtrip between two such civilisations

Published on 25 Mar 2026 - 9:49

3.4k

Views

planetary motion: Particle describes an ellipse as a central orbit about a focus

Published on 25 Mar 2026 - 9:49

226

Views

Keplerian orbits and closest approaches to Earth.

Published on 25 Mar 2026 - 9:53

256

Views

multyplication of 2 vectors forming a matrix - meaning

Published on 25 Mar 2026 - 9:51

231

Views

Getting started on Celestial Mechanics

Published on 02 May 2026 - 17:53

753

Views

northmost latitude

Published on 26 Apr 2026 - 6:13

175

Views

Closed form of planetary radial motion as time function

Published on 28 Apr 2026 - 2:46

55

Views

Distance to the celestial horizon

Published on 10 May 2026 - 9:06

188

Views

Mcgehee transformation, conversion to polar coordinates and blowing up the singularity

Published on 29 Apr 2026 - 0:02

List Question

By how much would the length of the solar day change if Earth's rotation were suddenly to reverse direction?

Are there conditions under which it is practicable to use Vesc = sqrt(2gr) instead of Vesc = sqrt(2GM/r)?

One body problem: position as function of time

Maximum possible rate of change of length-of-day?

κ₀ for Mercury—Formula

κ̄₀ for Mercury—Formula (BIS—Different definition of the term/angle)

Relationship between lifetime of tech civilisations and time taken for a roundtrip between two such civilisations

planetary motion: Particle describes an ellipse as a central orbit about a focus

Keplerian orbits and closest approaches to Earth.

multyplication of 2 vectors forming a matrix - meaning

Getting started on Celestial Mechanics

northmost latitude

Closed form of planetary radial motion as time function

Distance to the celestial horizon

Mcgehee transformation, conversion to polar coordinates and blowing up the singularity

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