Mefitico's user avatar
Mefitico's user avatar
Mefitico's user avatar
Mefitico
  • Member for 5 years, 6 months
  • Last seen more than a week ago
8 votes
Accepted

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

7 votes
Accepted

Sun-synchronous satellite orbit propagation

6 votes
Accepted

How much fuel to maintain VLEO for communication satelites?

6 votes

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

6 votes

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

5 votes
Accepted

TLE data conversion to osculating orbit elements

5 votes
Accepted

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

5 votes
Accepted

Algorithm for minimum thruster usage to control three axes

5 votes

Solar eclipse question

5 votes
Accepted

Are geostationary orbits impacted by changes to earths magnetic field?

5 votes

Inclination and latitude of GEO satellite

4 votes
Accepted

Generating TLEs with STK Using SGP4 Propagator;

4 votes

Will reusable rockets be financially viable?

4 votes

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

4 votes
Accepted

STK SGP4 for Geostationary Satellite

3 votes

Operator access to a cube satellite or any educational satellite

3 votes

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

3 votes
Accepted

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

3 votes
Accepted

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

3 votes

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

3 votes

Issue with SGP4 modelling from scratch in MATLAB

3 votes
Accepted

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

3 votes
Accepted

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

3 votes
Accepted

SGP4: propagation initialization by state vector

3 votes

How to lease a transponder on a GEO satellite?

3 votes

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

2 votes

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

2 votes

Hypergolic Propellant Combination

2 votes

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

2 votes

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