All Questions
Tagged with artificial-satelliterockets
19 questions
3votes
2answers
151views
sending a satellite in the right direction
I suspect that the required accuracy of satellite velocity direction is very high. This is especially the case for low earth orbits. The radius of the earth is 6400 km. The altitude of a low earth ...
- 203
2votes
3answers
275views
Disposing of Obsolete Satellites by Propelling to the Sun
I'm not scientifically adept, so bear with me. Would it be feasible to retain enough fuel on new satellites/space stations, etc., that we could dispose of them when obsolete by sending them to the ...
Jim Elmore
1vote
1answer
424views
What if we launched rockets from space using the slingshot method and centripetal force? Would that be possible?
Would we have to build a orbiting launch station that uses centripetal force to launch the rockets? Or a station that freely floats through space not in a planets orbit? Would something like this ...
2votes
2answers
108views
What stage of a Scout G-1 rocket enters orbit?
Last night I saw a Scout G-1 rocket body part called 1986-088B (according to COSPAR) with my binoculars. I researched a little and found that these rockets had 4 stages, called Algol, Castor, Antares ...
- 2,601
1vote
1answer
145views
How are satellites, rocket launches and other space programs affecting the earth’s rotation? How will it be affecting living beings?
Want to know the effects of the active satellite, rocket launches and space programs that affect earth rotation? how? And their effects on living beings due to effect in earth rotation?
- 13
1vote
0answers
67views
How are rocket launches scheduled?
With all the satellites and other objects already in space; how exactly are launches scheduled and coordinated? Is there some kind of clearinghouse? How do the mega constellations affect the ...
- 1,646
2votes
2answers
320views
How to shoot a raspberry pi mini computer into orbit
I'd like to shoot a raspberry pi into orbit. How difficult is this and is this something that could be achieved by hobby rocket scientists?
- 123
3votes
5answers
2kviews
Could rockets launched from the ground use wings in the stages?
Could a slower or smaller rocket take advantage of lift if all the stages had wings? Could the stages reduce splashdown impact forces by using a spinning seedpod-like design (as shown in the image ...
- 1
0votes
1answer
213views
How do I prepare a preflight excel sheet template for satellite launch?
I would like to know if anybody has any advice regarding a preflight check that I am doing for a satellite. I would like to know if anybody has any experience regarding a standard excel sheet for all ...
2votes
1answer
3kviews
Satellite Launch Direction
Most rockets hoping to achieve earth orbit are launched West -> East and from near the equator to gain maximum advantage from the spin of the Earth. I know the launches often also are deliberately ...
- 153
12votes
1answer
3kviews
How are remove before flight (RBF) pins made?
The CubeSat standard (CubeSat Design Specification Revision 13) requires that CubeSats have a remove before flight (RBF) pin that "shall cut all power to the satellite once it is inserted into the ...
10votes
2answers
11kviews
How do rockets avoid satellites?
From this question we know that there are quite a few satellites orbiting Earth. But how do ESA and NASA avoid their rockets colliding with these satellites (is there some kind of database of (man-...
-1votes
1answer
743views
Thrust, Specific Impulse and Power in Ionic Thrusters [closed]
I have a doubt regarding rocket engines. Now which is the most responsible factor for propulsion using a rocket engine? Thrust / Specific Impulse? Now, I need a comparison b/w three engines: MPDT1 [...
- 103
16votes
2answers
2kviews
Amateur satellite launch
Has there ever been a successful satellite launch done by amateurs? I mean both building the satellite and a rocket to carry it.
6votes
2answers
548views
Technology for LH2 & LOX umbilicals for rockets
Does someone knows why H-IIB rocket can stay fuelled on launchpad for many minutes, just venting excess gaseous H2 and O2, while Ariane 5 must be connected to umbilicals almost to the very last moment ...
