All Questions
Tagged with impact artificial-satellite
8
questions
8
votes
3
answers
290
views
How often do active satellites have to change course to avoid other active satellites?
I'm only aware of the ESA and SpaceX incident in 2019. Does this happen more regularly especially now with more active Starlink satellites and other constellations?
More importantly, are there efforts ...
5
votes
1
answer
164
views
Do space organisations take the positions of space junk and satellites into account when launching?
There are so many satellites orbiting Earth now at various altitudes and there is quite a lot of space junk floating around as well.
Now although there are so many satellites and so much junk up ...
3
votes
1
answer
529
views
What does "MSR" represent in the context of this predicted satellite conjunction?
In a series of four tweets starting with this one (found in 2 satellites will narrowly avoid colliding at 32,800 mph over Pittsburgh on Wednesday)
1/ We are monitoring a close approach event ...
24
votes
1
answer
5k
views
How did two satellites end up in almost the same orbit except moving in opposite directions?
In a series of four tweets starting with this one (found in 2 satellites will narrowly avoid colliding at 32,800 mph over Pittsburgh on Wednesday)
1/ We are monitoring a close approach event ...
15
votes
1
answer
3k
views
How many satellites can stay in a Lagrange point?
Lagrange points as I understand it are points in space between 2 objects where the gravitational pull between them is effectively equal. That makes station keeping at these points relatively easy.
...
9
votes
1
answer
576
views
Which two satellites had a 44% probability of collision at 2017-01-07 21:53 UTC?
I saw this message on space-track.org:
The JSpOC has identified a close approach between two non-maneuverable satellites in a sun-synchronous orbit (approximately 800km altitude) with a time of ...
2
votes
2
answers
311
views
Will LAGEOS burn up or be destroyed on impact?
The LAGEOS satellites have plaques that try to explain what they are without using any words or decimal numbers or similar 'current' concepts.
To me, this suggests we expect the satellites to last ...
4
votes
1
answer
971
views
Do meteor showers from 209P/LINEAR cometary debris pose a threat to the ISS and other Earth-orbiting satellites?
This is a somewhat similar question to What risk management options are available for Mars orbiters and rovers to mitigate threat of impacting with Siding Spring cometary debris?, only this time much ...