uhoh
  • Member for 6 years, 3 months
  • Last seen this week
  • Taipei, Earth
2 answers
3 votes
372 views
1 bookmarks
Earth-Mars Radio Blackout: Is it possible to define an extended solar radius to solve this as a geometric problem?
1 answers
3 votes
217 views
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Was the Orbit Pavilion triggered by real communications events?
1 answers
3 votes
336 views
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In what ways would the high elliptical orbit of Apollo "E missions" simulate lunar missions?
1 answers
3 votes
318 views
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Low-thrust spiraling to escape, is the flight path angle (gamma) at C3=0 always 39 degrees?
1 answers
3 votes
198 views
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STK Computation of DUT1
2 answers
3 votes
327 views
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Calculating spacecraft thrust manoeuvres with JPL data
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3 votes
595 views
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Star Tracker And Absolute Attitude
1 answers
3 votes
917 views
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What is the minimum rocket mass that can achieve GEO
1 answers
3 votes
291 views
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How many position data points define an orbit uniquely?
2 answers
3 votes
303 views
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State of the art of satellite Attitude Determination and Control Systems
3 answers
3 votes
295 views
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Do (Or can) satellites help renewable energy companies?
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3 votes
3k views
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How to calculate new periapsis and apoapsis after orbital velocity change
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3 votes
2k views
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How to calculate Coordinated Mars Time (MTC)?
1 answers
3 votes
200 views
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What did New Horizons photograph that was close enough to be out of focus?
1 answers
3 votes
272 views
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Can you use a light sail to achieve a survivable landing anyplace in our solar system?
1 answers
3 votes
214 views
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Plausible starting parameters for a Moon suicide burn
1 answers
3 votes
351 views
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Passive spin damping system
3 answers
3 votes
1k views
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Limiting factors of liquid rocket engine thrust
4 answers
3 votes
298 views
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"Stationary" Space Probe
1 answers
3 votes
239 views
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Solar cell heating vs power draw
2 answers
3 votes
103 views
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Data from space missions
1 answers
3 votes
348 views
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Best orientation for docking
2 answers
3 votes
292 views
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ISS number of orbits with reference to what?
0 answers
3 votes
184 views
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Why is the delay between main engine cutoff and second stage ignition so long?
2 answers
2 votes
2k views
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What kinds of radiation hit the ISS?
2 answers
2 votes
1k views
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how and why is image processing used on spacecrafts?
1 answers
2 votes
436 views
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Is the fastest way to Mars a solar flyby?
3 answers
2 votes
941 views
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Life on other planets not based on water
1 answers
2 votes
78 views
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Altitude control of ISS via Progress-MS
1 answers
2 votes
197 views
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Equilibrium position of a very long object in orbit