User Mefitico

8 votes

Accepted

How are Spacecraft Event Times (SETs) managed; to what timescales are they linked?

answered Mar 2, 2020 at 18:35

7 votes

Accepted

Sun-synchronous satellite orbit propagation

answered Mar 12, 2018 at 4:09

6 votes

Accepted

How much fuel to maintain VLEO for communication satelites?

answered Nov 16, 2018 at 21:47

6 votes

What are the effects of orbital reflectors and advertising on scientific observation?

answered Sep 16, 2019 at 19:53

6 votes

What (if any) replacement parts have been 3D printed on the ISS and then installed?

answered Oct 14, 2019 at 13:13

5 votes

Accepted

TLE data conversion to osculating orbit elements

answered Mar 9, 2018 at 16:51

5 votes

Accepted

What are some common (but non-obvious) materials that are particularly unsuitable for spaceflight?

answered Mar 12, 2018 at 4:18

5 votes

Accepted

Algorithm for minimum thruster usage to control three axes

answered Nov 28, 2018 at 16:47

5 votes

Solar eclipse question

answered Jan 25, 2019 at 13:10

5 votes

Accepted

Are geostationary orbits impacted by changes to earths magnetic field?

answered Aug 5, 2019 at 13:48

5 votes

Inclination and latitude of GEO satellite

answered Feb 3, 2020 at 15:57

4 votes

Accepted

Generating TLEs with STK Using SGP4 Propagator;

answered Sep 9, 2019 at 13:31

4 votes

Will reusable rockets be financially viable?

answered Jun 5, 2018 at 21:39

4 votes

How are co-located satellites positioned relative to each other?

answered Oct 14, 2019 at 18:02

4 votes

Accepted

STK SGP4 for Geostationary Satellite

answered Feb 3, 2020 at 4:51

3 votes

Operator access to a cube satellite or any educational satellite

answered Aug 5, 2019 at 13:33

3 votes

What caused the ISS Two Line Element Day of Year problem beginning 12-24-2019?

answered Jan 6, 2020 at 20:51

3 votes

Accepted

what are various best practices/processes associated with orbit change manoeuvres of LEO / GEO satellites?

answered Sep 17, 2019 at 17:07

3 votes

Accepted

Have magnetotorquers ever been used to spin-up a satellite?

answered Sep 17, 2019 at 17:14

3 votes

How do SDP4's "Deep space" corrections to SGP4 account for the Sun's and Moon's gravity?

answered Sep 24, 2019 at 17:21

3 votes

Issue with SGP4 modelling from scratch in MATLAB

answered Oct 10, 2019 at 16:07

3 votes

Accepted

Satellites that take advantage of, or require constant availability of sunlight on the spacecraft itself, available in Sun-synchronous orbits?

answered Nov 23, 2018 at 13:48

3 votes

Accepted

Do launch vehicle companies like SpaceX and RocketLab use magnetometers in their IMU units? If not, why?

answered Nov 26, 2018 at 11:43

3 votes

Accepted

SGP4: propagation initialization by state vector

answered Mar 12, 2018 at 4:22

3 votes

How to lease a transponder on a GEO satellite?

answered Feb 2, 2019 at 20:19

3 votes

How fast do Starlink satellites (SpaceX new satellites) rotate around the earth?

answered Feb 3, 2020 at 16:52

2 votes

Are satellites able to stream real-time videos about certain parts of Earth's surface?

answered Mar 20, 2019 at 17:14

2 votes

Hypergolic Propellant Combination

answered Jan 11, 2019 at 13:20

2 votes

Among Quantitative Feedback Theory and H infinity, which one is preferred for robust control of satellites esp. small satellites? And why?

answered Sep 16, 2019 at 18:41

2 votes

What have been the most common causes of mishaps or failures with various cubesat mechanisms & components?

answered Aug 5, 2019 at 17:56

Stack Exchange Network

42 Answers

How are Spacecraft Event Times (SETs) managed; to what timescales are they linked?

Sun-synchronous satellite orbit propagation

How much fuel to maintain VLEO for communication satelites?

What are the effects of orbital reflectors and advertising on scientific observation?

What (if any) replacement parts have been 3D printed on the ISS and then installed?

TLE data conversion to osculating orbit elements

What are some common (but non-obvious) materials that are particularly unsuitable for spaceflight?

Algorithm for minimum thruster usage to control three axes

Solar eclipse question

Are geostationary orbits impacted by changes to earths magnetic field?

Inclination and latitude of GEO satellite

Generating TLEs with STK Using SGP4 Propagator;

Will reusable rockets be financially viable?

How are co-located satellites positioned relative to each other?

STK SGP4 for Geostationary Satellite

Operator access to a cube satellite or any educational satellite

What caused the ISS Two Line Element Day of Year problem beginning 12-24-2019?

what are various best practices/processes associated with orbit change manoeuvres of LEO / GEO satellites?

Have magnetotorquers ever been used to spin-up a satellite?

How do SDP4's "Deep space" corrections to SGP4 account for the Sun's and Moon's gravity?

Issue with SGP4 modelling from scratch in MATLAB

Satellites that take advantage of, or require constant availability of sunlight on the spacecraft itself, available in Sun-synchronous orbits?

Do launch vehicle companies like SpaceX and RocketLab use magnetometers in their IMU units? If not, why?

SGP4: propagation initialization by state vector

How to lease a transponder on a GEO satellite?

How fast do Starlink satellites (SpaceX new satellites) rotate around the earth?

Are satellites able to stream real-time videos about certain parts of Earth's surface?

Hypergolic Propellant Combination

Among Quantitative Feedback Theory and H infinity, which one is preferred for robust control of satellites esp. small satellites? And why?

What have been the most common causes of mishaps or failures with various cubesat mechanisms & components?