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
8 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 8 hours ago
0 CSS (TIANHE-1)
1 48274U 21035A 25186.38481629 .00021897 00000-0 28947-3 0 9999
2 48274 41.4651 270.1895 0013324 224.6234 135.3532 15.57719524238995Epoch: 2025-07-05T09:14Z
TLE epoch observation values (Epoch: 2025-07-05T09:14:08.127Z)
Latitude
-0°
Longitude
-151.96799°
Altitude
400.283 km
Speed
7.669 km/s
True Right ascension
18h 00m 45s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
39.5233°
Longitude
-42.22002°
Altitude
400.95 km
Speed
7.673 km/s
Apparent Right ascension
21h 32m 24s
Apparent Declination
2° 30' 43"
Sunlit
Visualization observer readout
Local Sidereal Time
05:18:30
Azimuth
289.692° WNW
Elevation
-18.305°
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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2025-07-06 08:31:08.525Z | 197.056° SSW | 2025-07-06 08:33:08.525Z | 155.115° SSE | 19.82° | 2025-07-06 08:35:08.525Z | 107.704° ESE |
| 5 mins | 2025-07-06 10:08:08.525Z | 251.037° W | 2025-07-06 10:10:08.525Z | 158.273° S | 44.721° | 2025-07-06 10:13:08.525Z | 77.892° E |
| 5 mins | 2025-07-06 11:45:08.525Z | 282.879° WNW | 2025-07-06 11:47:08.525Z | 343.659° N | 41.851° | 2025-07-06 11:50:08.525Z | 84.135° E |
| 4 mins | 2025-07-06 13:23:08.525Z | 268.247° W | 2025-07-06 13:24:08.525Z | 226.281° WSW | 40.841° | 2025-07-06 13:27:08.525Z | 118.681° SE |
Event ID | Pc | Md | Secondary | Secondary name | Country | Click to unsort rows by TCA header |
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