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Trivia Q: How many satellites are in orbit?
Posted by: hal
Date: September 25, 2021 03:08PM
Just spotted this stat in some websurfing...

I didn't even try to guess, but you can. How many?

Answer below in white text...

'7941'

[www.space.com]



Edited 1 time(s). Last edit at 09/25/2021 03:09PM by hal.
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Re: Trivia Q: How many satellites are in orbit?
Posted by: Thrift Store Scott
Date: September 25, 2021 03:22PM
If you mean actual satellites put there for a purpose and not just random debris in Earth's orbit, I'd say over a hundred. If you're counting debris too in the general definition of "satellite", I believe it's over 10,000, possibly even over 20,000 objects in orbit currently being tracked by NASA.

Or I could be completely wrong on both counts.

Edit: I checked. Wow.



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Edited 1 time(s). Last edit at 09/25/2021 03:24PM by Thrift Store Scott.
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Re: Trivia Q: How many satellites are in orbit?
Posted by: MrNoBody
Date: September 25, 2021 03:40PM
+1, the Moon (Earth's only natural satellite).



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Re: Trivia Q: How many satellites are in orbit?
Posted by: Steve G.
Date: September 25, 2021 03:46PM

theirs or ours?
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Re: Trivia Q: How many satellites are in orbit?
Posted by: cbelt3
Date: September 25, 2021 04:22PM
SpaceX pulling hundreds of satellites up in a shotgun style has really messed up the process.. we will see over 100k satellites on orbit in the next 10 years.
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Re: Trivia Q: How many satellites are in orbit?
Posted by: Filliam H. Muffman
Date: September 25, 2021 04:43PM
I was going to guess about 32k, but I had read this recently...

Space Debris and Human Spacecraft
https: //www.nasa.gov/mission_pages/station/news/orbital_debris.html
More than 27,000 pieces of orbital debris, or “space junk,” are tracked by the Department of Defense’s global Space Surveillance Network (SSN) sensors.



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Re: Trivia Q: How many satellites are in orbit?
Posted by: S. Pupp
Date: September 25, 2021 05:04PM
My estimate was too high by a factor of three.
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Re: Trivia Q: How many satellites are in orbit?
Posted by: Carnos Jax
Date: September 25, 2021 05:21PM
I guessed correctly (more or less), but then again I knew about SpaceX’s numbers.
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Re: Trivia Q: How many satellites are in orbit?
Posted by: decay
Date: September 25, 2021 09:39PM
My guess was 10K



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Re: Trivia Q: How many satellites are in orbit?
Posted by: Racer X
Date: September 26, 2021 02:16AM
Back in, I think the '90s, there was a HUGE push to require satellites to use the last of their propulsion power to de-orbit them immediately, and put them in a trajectory to burn up or go down in like the S Atlantic.

The for profit satellite owners won out. That would have resulted in lost revenue for a few days. Asshats.

And then the PRC pulled that BS stunt of shooting an intact dead satellite in a known orbit, with a land based missile to prove they could. Bajillions of untraceable microdebris pieces because of that.



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