CSS (TIANHE-1), 48274
Orbit data source: Space-Track
The Chinese Space Station (CSS), known as Tiangong or "Heavenly Palace," is China's independently developed space station that represents a significant step in China’s space exploration capabilities. Launched in phases starting with the Tianhe module in 2021, the station operates in low Earth orbit (LEO). It aims to support a variety of scientific experiments in fields such as space medicine, astronomy, and technology development.
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48274 intel report (Beta)
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CSS (TIANHE-1) radio frequencies
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Edit Public Description
Identifier
Orbit
Last TLE update
13 hours ago
Origin
Manufacturer
CAST
Mission
Operational Civil Spaceship
Bus & Motor
TIANHE, Unknown motor
Mass
22,500 kg wet, ~20,838 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Step Cyl + 2 Pan, 30 m
Radar Cross Section
85.800 m², Large (>1 m²)
Expand to show TLE details & history
TLE from 13 hours ago
0 CSS (TIANHE-1)
1 48274U 21035A 25166.07896426 .00025824 00000-0 32749-3 0 9997
2 48274 41.4648 33.4553 0003745 94.4178 265.7088 15.58844724235823Epoch: 2025-06-15T01:53Z
TLE epoch observation values (Epoch: 2025-06-15T01:53:42.512Z)
Latitude
0°
Longitude
101.41895°
Altitude
390.789 km
Speed
7.678 km/s
True Right ascension
02h 13m 49s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
7.32088°
Longitude
-90.1876°
Altitude
389.017 km
Speed
7.68 km/s
Apparent Right ascension
13h 28m 57s
Apparent Declination
-15° 28' 21"
Sunlit
Visualization observer readout
Local Sidereal Time
01:31:05
Azimuth
1.243° NNE
Elevation
-65.552°
Doppler factor
1
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Other satellites on launch #35 in the year 2021 (2021-04-29 UTC)
CSS (TIANHE-1) Visibility forecast
Observer location: undefined°, undefined°
Span | Click to sort rows by Start time (UTC) header in descending order | Start Az. | Max El. time (UTC) | Max El. Az. | Max El. | End time (UTC) | End Az. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2025-06-15 19:02:59.156Z | 224.796° SW | 2025-06-15 19:04:59.156Z | 165.449° S | 34.801° | 2025-06-15 19:07:59.156Z | 84.527° E |
| 5 mins | 2025-06-15 20:39:59.156Z | 272.779° WNW | 2025-06-15 20:41:59.156Z | 343.87° N | 42.937° | 2025-06-15 20:44:59.156Z | 77.773° E |
| 4 mins | 2025-06-15 22:17:59.156Z | 287.537° WNW | 2025-06-15 22:18:59.156Z | 322.087° NNW | 44.207° | 2025-06-15 22:21:59.156Z | 98.662° ESE |
Event ID | Pc | Md | Secondary | Secondary name | Country | Click to unsort rows by TCA header |
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