Escape velocity of solar system

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Homework Help Overview

The discussion revolves around calculating the escape velocity from the solar system, specifically starting from Saturn's orbit. The subject area includes gravitational physics and orbital mechanics.

Discussion Character

  • Exploratory, Assumption checking

Approaches and Questions Raised

  • The original poster attempts to clarify which masses should be included in the escape velocity calculation, questioning whether to consider only the planets or all celestial bodies in the solar system. Some participants suggest looking into the mass distribution of the solar system to assess the significance of including planetary masses.

Discussion Status

The discussion is ongoing, with some participants providing guidance on considering the mass of the Sun relative to the solar system's total mass. The original poster has made a calculation based on their understanding, but there is no explicit consensus on the approach to take.

Contextual Notes

There is uncertainty regarding the inclusion of various celestial bodies in the mass calculation, as well as the implications of these choices on the escape velocity result.

oldspice1212
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Hey guys so this question I'm kind of stuck on,

Our solar system, starting from Saturn's orbit.

So I know the formula is v = sqrt(2GM/r)

But not sure what to put for the mass and radius, am i including saturn and planets like uranus and neptune only or all the satellites and stuff to like moons, asteroids, etc. Or am I simply over thinking this lol?

Thank you.
 
Last edited:
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Look up the percentage of the solar system's mass that is contained in the Sun. Will including planetary masses affect your result significantly?
 
Ok so I calculated it to be 13.72 km/s since saturns orbital speed is 9.7 km/s.
 
Last edited:
That'll do.
 
Thanks :)
 

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