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 15.63769984192589
Epoch: 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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