Questions tagged [space-track]

The United States outlet for unclassified data from the military for tracking space objects. Includes satellite elements, conjugation reports, and tracking reports of newly launched objects.

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3 votes
0 answers
280 views

I want to simulate the antenna pointing error when tracking LEO satellites

I am trying to simulate the antenna pointing error of our antenna when tracking LEO satellites using TLE data. I am using the Skyfield library in python. First I loaded the TLE data from the Celestrak ...
4 votes
1 answer
97 views

How to access conjunction data message data?

I have a Space-Track account, however, the public CDM's only have an ID and basic information about the two spacecraft, but nothing about their covariances or orbital information. Is there any way to ...
7 votes
1 answer
105 views

Establish if Payload is Still Operational - Space Track

The Space Track APIs give great information about satellites that are currently in orbit. However, I'd like to be able to distinguish between payloads that are still in orbit, but dead, and payloads ...
2 votes
1 answer
86 views

Get fully defined orbit from space-track.org SATCAT

My question is related to this one on Physics SE. Admittedly, I'm somewhat preempting the answer over there being "you can't, there's a missing parameter", so if it comes back that you can ...
22 votes
3 answers
1k views

What is the probability of impact?

Space Track is a website dedicated to passing along information about satellites to consumers, primarily satellite operators. The information comes from the US military. In addition to providing the ...
3 votes
0 answers
65 views

Which is the primary spacecraft in a conjunction?

I ask the question in the title because I cannot find a clear answer. It seems that in collision avoidance, the primary spacecraft is always more accurately known then the secondary. But I think this ...
2 votes
0 answers
120 views

How do I know the exact TLE of my satellite after its deployment?

The satellites are launched in a cluster. How can I validate the TLE of my satellite in the early days following deployment, because there are more than two satellites that are close to each other and ...
1 vote
1 answer
80 views

Is 18 Space Control Squadron (18 SPCS) which "detects, tracks, and identifies all artificial objects in Earth orbit" a part of Space Force?

According to their twitter account: 18 Space Control Squadron (18 SPCS) detects, tracks, and identifies all artificial objects in Earth orbit. Is 18 SPCS a US military squadron? Is it a part of ...
2 votes
0 answers
115 views

Determine if two orbits cross paths

I'm trying to determine which orbital object will have the most close calls with another object. I've gotten the full TLE catalog from Space-Track.org, and using poliastro python package have ...
3 votes
1 answer
562 views

Why are there some NORAD catalog IDs larger than 80000 in space-track?

I was trying to find the international designator for the Starlink-2 constellation launch. Not finding anything in Celestrak I looked in Space-Track. The following space-track.org query builder setup ...
1 vote
0 answers
36 views

Listing objects and space probes beyond Earth orbit in Space Track?

Can anyone tell me how to query Space Track to list objects that are beyond Earth orbit. I am thinking of things such as the Voyagers, the Tesla Roadster and Pioneer, as examples? While there is a ...
3 votes
1 answer
2k views

How can I find sources for Launch Trajectories?

The trajectories of space launches and the deployment of their payload (both scientific and commercial) are certainly carefully monitored by the space agency or company providing the launch capability,...
2 votes
0 answers
301 views

How can I plot a precessing orbital plane of an artificial satellite on a polar plot from a TLE in Python?

How can I plot the orbital plane of an artificial satellite on a polar plot from a TLE in Python? Very new to all of this. As I understand it I need to extract TLE's from Space-track.org. Then use ...
9 votes
1 answer
562 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 ...
16 votes
2 answers
3k views

How does a spacecraft such as Soyuz detect when it's on collision course with an object?

Today Roscosmos reported (in Russian, here's a machine translation into English) that the Soyuz vehicle on its way to the ISS avoided collision with a piece of Japanese rocket body, allegedly launched ...
20 votes
3 answers
1k views

How do Russia, China, Japan, and India track their spacecraft?

NASA and the ESA have Deep Space Networks that circle the globe enabling them to track their spacecraft constantly. However, Russia, China, India, and possibly also Japan, only list tracking stations ...