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Questions tagged [tiangong-2]

For questions specifically about the Chinese Tiangong-2 space laboratory, which was launched in 2016.

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Why Celestrak has Archived TLEs for most space stations from Russia and the US, but not Tiangong-1, Tiangong-2 or Skylab?

Thinking about this question, I wanted to look at historical data. Then I noticed that while Celestrak does provide Archived TLE data for Salyut 7, Mir, Kvant-1, Kvant-2, Kristallm, Spektr, Priroda, ...
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Why did the Chinese put the Tiangong-2 so high?

The most obvious answer is that they don’t want to deorbit the station shortly, but why? Some calculations with the TLEs and SGP4 show the following Tiangong-2 / ISS close encounters: ...
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What is Tiangong-2 doing?

Some news in various outlets following some twitterings including this tweet by Jonathan McDowell about Tiangong-2 performing a sizeable orbit-lowering, followed by a re-raising: ‏ OK now that's ...
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Could the Tiangong-2 dock to the ISS?

As far I know, in the time of the MIR + Space Shuttle dockings it was a problem to solve. Are their docking systems compatible?
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ISS - Tiangong 2 minimum safe distance

Using the SGP4 propagator, I calculated the minimum distance between ISS and Tiangong-2 for this year. I obtained 12.32 km for 2017-09-27 17:29:36.376 UTC (which is the day 270.7289). I used the TLE ...
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Have there been any other “camsats” besides Banxing-2?

Banxing-2 is a 47 kg LEO satellite deployed from China's Tiangong-2 on 22 October 2016. It is planned to say in an orbit matched to Tiangong-2 so that it stays in close proximity. According to Gunter'...