All Questions
Tagged with spacex low-earth-orbit
21
questions
1
vote
2
answers
178
views
Why would Starlink launch appear as a blurred line?
I believe that I recently saw a Starlink launch (details below in case I am mistaken); what puzzled me was that it appeared as a blurred, hazy line or streak. I watched it move across the sky and at ...
- 21
4
votes
1
answer
336
views
Starlink Dishy parameters and satellite recognition
I have two questions:
What are the antenna parameters of Starlink dish antennas (like antenna gain, directivity, etc)?
Is there any way for me to know which satellite my Starlink dish is ...
- 41
1
vote
2
answers
788
views
Elevation angle for a non-GEO satellite
I want to calculate the elevation angle of a Non-GEO satellite with respect to a ground terminal. The information I have to solve this:
Instantaneous Longitude, Latitude, and Altitude of the non-GEO ...
- 43
6
votes
1
answer
156
views
How problematic is debris for Starship storage/depots?
So with the recent announcement that Starship has been selected as NASA's HLS (which is pretty radical), it's raised a question in me that been around for a while.
For HLS; a Starship storage(depot) ...
- 4,223
2
votes
4
answers
874
views
Is Starship planned to fly directly to the ISS without first stage? Is it even possible?
I'm having difficulty understanding how/if Starship and/or Super Heavy could be used to deliver crew to LEO.
Is it expected to deliver astronauts to the ISS Crew-Dragon-style, but without the 2nd ...
- 3,136
4
votes
1
answer
2k
views
What are the orbits of all Starlink satellites launched?
Latest batch of SpaceX Starlink satellites went into elliptical orbit.
Using all available data (launch times, release times, applications by SpaceX etc), what are the orbits of all current 300 ...
- 71
10
votes
2
answers
2k
views
Is the Starlink array really visible from Earth?
I was browsing YouTube when I came across this video, recorded from a sky gazer who apparently spotted the Starlink satellites. In my lifetime, I haven't seen many satellites in the night skies (maybe ...
- 743
2
votes
2
answers
394
views
Where can I find the TLE of ExseedSat 1, India's first ever private LEO satellite?
On 3rd December 2018, a private Indian company Exseed Space launched it's first ever satellite into space called ExseedSat 1. But I couldn't find the TLE for this satellite. I looked it up on n2yo ...
- 525
8
votes
1
answer
4k
views
How low is VLEO? (FCC's newest approval for SpaceX)
Engaget's SpaceX gets FCC approval to deploy thousands more internet satellites says
SpaceX's plan to build a global, high-speed wireless internet network using satellites has taken another step ...
- 148k
17
votes
1
answer
3k
views
Was SpaceX's launch of Formosat-5 more vertical than normal for any particular reason?
Reading both the abstract and the plain language summary of the recent paper published in the journal Space Weather Gigantic Circular Shock Acoustic Waves in the Ionosphere Triggered by the Launch of ...
- 148k
7
votes
2
answers
369
views
What planning tools and techniques are used to avoid collisions in space during launches?
What tools and techniques are used to calculate as well as to ensure a collision free trajectory when space junk as well as real live useful satellites are so numerous? While the chances of hitting a ...
- 89
-3
votes
4
answers
2k
views
How did the Roadster get high enough to take a whole-Earth picture?
According to telemetry as seen in videos of the event, the car was ejected from the Stage 2 rocket at 114km above Earth.
Anything less than 160km will immediately enter a rapidly decaying orbit and ...
- 23
5
votes
2
answers
816
views
What is the final conclusion about 'object M'? What happened?
I've looked at Is Iridium launch object M a test satellite? and I don't understand what seems to have happened.
The Iridium launch produced 11 orbiting objects when only 10 Iridium satellites were ...
- 148k
4
votes
2
answers
528
views
For constellations of circular LEO satellites, are there allocations of available "slots" in altitudes?
The BBC article SpaceX aims to launch internet from space discusses the SpaceX proposal for a dense array of 4,425 LEO satellites distributed among 83 orbital planes in five inclination groups as ...
- 148k
27
votes
1
answer
5k
views
SpaceX's 4,425 satellite constellation - what's the method to the madness?
The BBC article SpaceX aims to launch internet from space discusses the SpaceX proposal for a dense array of over 4,000 LEO satellites for global internet coverage, and links to SpaceX non-...
- 148k