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 | LEO |
| Last TLE update | 14 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 | Payload Rocket body Debris |
| 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 14 hours ago
0 CSS (TIANHE-1)
1 48274U 21035A 25089.75693763 .00045464 00000-0 49305-3 0 9993
2 48274 41.4643 138.1500 0005500 136.3375 223.7901 15.62697194223893Epoch: 2025-03-30T18:09Z
Definitive object data (Epoch: 2025-03-30T18:09:59.411Z)
| Latitude | 0.00004° |
| Longitude | 37.26989° |
| Altitude | 382.152 km |
| Speed | 7.681 km/s |
| True Right ascension | 09h 12m 36s |
| True Declination | 0° 00' 00" |
| Sunlit | Object was in full shadow at TLE epoch |
Visualization TLE readout
| Latitude | 6.00701° |
| Longitude | 40.54918° |
| Altitude | 381.191 km |
| Speed | 7.682 km/s |
| Apparent Right ascension | 06h 28m 45s |
| Apparent Declination | -28° 23' 41" |
| Sunlit | Object is in full shadow |
Visualization observer readout
| Local Sidereal Time | 13:35:52 |
| Azimuth | 256.527° W |
| Elevation | -29.995° |
| Doppler factor | 1 |
Orbital elements
| Apogee altitude | 385.823 km |
| Perigee altitude | 378.387 km |
| Semi-major axis | 6,760.242 km |
| Eccentricity | 0.00055 |
| Inclination | 41.4643° |
| RAAN | 138.15° |
| Arg. of periapsis | 136.3375° |
| True anomaly | 223.74651° |
| Mean anomaly | 223.7901° |
| Eccentric anomaly | 223.7683° |
| Mean motion | 3.90481 °/min |
| BSTAR | 0.00049305 |
| Orbital period | 92.19 mins |
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Other satellites on launch #35 in the year 2021 (2021-04-29 UTC)
| CZ-5B R/B, 48275 (Decayed) |
| XW-4 (CAS-10), 54816 (Decayed) |
| OBJECT D, 62300 |
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 | 2025-03-31 08:15:32.373Z | 261.181° W | 2025-03-31 08:18:32.373Z | 64.487° ENE | 40.78° | 2025-03-31 08:20:32.373Z | 76.394° E |
| 4 mins | 2025-03-31 09:53:32.373Z | 289.971° WNW | 2025-03-31 09:54:32.373Z | 319.641° NNW | 40.684° | 2025-03-31 09:57:32.373Z | 88.898° E |
| 4 mins | 2025-04-01 07:15:32.373Z | 240.009° WSW | 2025-04-01 07:16:32.373Z | 202.429° SSW | 42.587° | 2025-04-01 07:19:32.373Z | 79.308° E |
Event ID | Pc | Md | Secondary | Secondary name | Country | Click to unsort rows by TCA header |
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