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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CSS (TIANHE-1) details
| Identifier | |
| Orbit | LEO |
| Last TLE update | 1 day ago |
| Origin | |
| Manufacturer | CAST |
| Mission status | Operational |
| Mission | 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 |
| Radar Cross Section | Large (>1 m²) |
Expand to show TLE details & history
TLE from 1 day ago
0 CSS (TIANHE-1)
1 48274U 21035A 24255.42040077 .00033894 00000-0 35408-3 0 9998
2 48274 41.4687 277.4402 0001415 103.9147 256.1850 15.63769984192589Epoch: 2024-09-11T10:05Z
Definitive object data (Epoch: 2024-09-11T10:05:22.626Z)
| Latitude | -0.00004° |
| Longitude | 135.17445° |
| Altitude | 376.606 km |
| Speed | 7.686 km/s |
| True Right ascension | 18h 29m 45s |
| True Declination | 0° 00' 00" |
| Sunlit | Object was in daylight at TLE epoch |
Predictive object data (real-time)
| Latitude | 27.62584° |
| Longitude | 164.17487° |
| Altitude | 376.227 km |
| Speed | 7.689 km/s |
| Apparent Right ascension | 19h 29m 13s |
| Apparent Declination | -5° 12' 50" |
| Sunlit | Object is in full shadow |
Predictive observer data (real-time)
| Local Sidereal Time | 06:19:45 |
| Azimuth | 331.176° NNW |
| Elevation | -51.934° |
| Doppler factor | 1 |
Orbital elements
| Apogee | 379.971 km |
| Perigee | 378.058 km |
| Semi-major axis | 6,757.151 km |
| Eccentricity | 0.0001415 |
| Inclination | 41.4687° |
| RAAN | 277.4402° |
| Arg. of periapsis | 103.9147° |
| True anomaly | 256.16926° |
| Mean anomaly | 256.185° |
| Eccentric anomaly | 256.17713° |
| Mean motion | 3.90749 °/min |
| BSTAR | 0.00035408 |
| Period | 92.13 mins |
No data available
Other satellites on launch #35 in the year 2021 (2021-04-29 UTC)
| CSS (TIANHE-1), 48274 |
| CZ-5B R/B, 48275 (Decayed) |
| XW-4 (CAS-10), 54816 (Decayed) |
CSS (TIANHE-1) Visibility forecast
Observer location: 39.9160978°, -105.1181434
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. |
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