About CSS (Tiangong)
Drag to rotate · tap a module
Illustrative model · not to exact scale
- Mass~100 tons
- Crew3–6 taikonauts
- PowerHigh-efficiency solar arrays
- Science experimentsAdvanced science & experiments
Space Clock
METT−
Days
Hours
Minutes
Seconds
Countdown to launch
Live date/time:
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Next passover: computing…
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Track the CSS
Real-time position · SGP4 propagation
Live location:
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Altitude
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Speed
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From Islamabad
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Orbit no.
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Astronaut & Mission Updates

Mission timeline
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Heart rate
72 bpm
Cabin O₂
21.0%
Global Tracker (Pakistan overpass)
Pick a city — passes computed for the next 3 days
Next passPrevious passesOverhead zone (>45°)