You are not logged in.
With what 'height' of atmospehere should you work if you like to calculate on orbits around Mars? I can't find the numbers. In a book I read 50 km, somewhere on the internet 120 km, and by making a guess by the gas-law about 210 km.
Apollo went round some orbits at a height of 185 km, so the pressure of 10e-5 Pa is appearantly a number to begin with.
In that case Venus' atmosperic height would be about 270 km.
Does anybody know the numbers? Can't find it on the web.
Offline
Like button can go here
With what 'height' of atmospehere should you work if you like to calculate on orbits around Mars? I can't find the numbers. In a book I read 50 km, somewhere on the internet 120 km, and by making a guess by the gas-law about 210 km.
Apollo went round some orbits at a height of 185 km, so the pressure of 10e-5 Pa is appearantly a number to begin with.
In that case Venus' atmosperic height would be about 270 km.
Does anybody know the numbers? Can't find it on the web.
I don't know if this will be a help to you or not, but here's a cool link to play with air pressure and gravity..just punch in the appropiate variables and see what you come up with...
http://www.personal.usyd.edu.au/~gerhar … e.html]Air Pressure calculator
B
Offline
Like button can go here
I once saw the altitudes used to aerobrake orbiting vehicles that lacked heat shields (they used the solar panels) and I was surprised it was so low; maybe 60 or 80 kilometers, I think. But a permanent, stable orbit around Mars would be higher. Probably 200 km is a good guess.
-- RobS
Offline
Like button can go here