The Solar System Flashcards

1
Q

What is the Prot Pday equation?

A

1/Prot = 1/Pday + 1/Porb

Prot= sidereal
Pday and Porb = synodic

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2
Q

What is the outer inner planet equation?

A

1/Psyn = 1/Pi - 1/Po

Psyn = synodic (solar)
Pi and Po = sidereal

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3
Q

What is the equation for eccentricity?

A

e = f/a

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4
Q

What is the equation for the semi minor axis?

A

b = a root 1 - e^2

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5
Q

What are the equations for perihelion and aphelion distances?

A

Perihelion d = a(1-e) = closest d

Aphelion d = a(1+e) = furthest d

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6
Q

Keplers third law?

A

P^2 = k a^3

Where k= 4 pi^2 / G Solar Mass

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7
Q

What is vrms?

A

Vrms = root 3kT/m

Where m is particle mass

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8
Q

What is the escape velocity limit?

A

Root 2GM/R > 6 root 3kT/m

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9
Q

What is the equation for tidal force?

A

Tidal force = 2GMmx/ d^3

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10
Q

What is the Roche limit?

A

d = (2M/m) ^1/3

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