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ThePlanMan's user avatar
ThePlanMan's user avatar
ThePlanMan
  • Member for 10 years, 2 months
  • Last seen more than 5 years ago
9 votes
4 answers
323 views

What engineering processes (satellite/space vehicle related) require an atmosphere

9 votes
3 answers
8k views

How long will a 500 km altitude satellite spend in Earth - shade per orbit

8 votes
2 answers
2k views

Solar flux on (not at) Earth

8 votes
1 answer
127 views

What do the gravitational wave findings mean for Evolved Laser Interferometer Space Antenna satellite

7 votes
4 answers
999 views

Where is the best place to get a time history of launches and satellite numbers

7 votes
2 answers
1k views

Barriers to launching a cubesat

6 votes
1 answer
736 views

What are the benefits of building an amateur satellite ground station?

6 votes
2 answers
289 views

How can someone find the mass of debris objects in orbit

6 votes
3 answers
1k views

Calculating orbital properties after an instantaneous burn not at apogee/perigee

5 votes
1 answer
1k views

How to model a continous burn and recalculate orbit properties post burn

5 votes
2 answers
2k views

How can gravity gradient forces be calculated?

5 votes
1 answer
217 views

Do government space agencies capitalise on selling intellectual property/patents etc

5 votes
1 answer
164 views

Are there any open access space journal repositories?

4 votes
1 answer
124 views

Total ionising dose and single event upsets in orbit

4 votes
1 answer
1k views

Drawing ground station coverage circles

3 votes
1 answer
209 views

What Christmas events have happened in space?

2 votes
2 answers
1k views

Transformation from Earth-centered inertial (ECI) to Geocentric (GEOC) satellite coordinates

2 votes
1 answer
2k views

Conversion of satellite position coordinates to local horizon reference frame (lat & long)

2 votes
0 answers
92 views

Compressible foam in space

2 votes
0 answers
2k views

Is there an equivalent term for average altitude like semi-major axis?

2 votes
2 answers
2k views

How to find eccentric anomaly for orbit propagation

1 vote
1 answer
274 views

Converting TLEs into the input data for SGP4

-2 votes
2 answers
1k views

Can electric propulsion be used for launch (theoretically) [closed]