YAOGAN 21, 40143
Orbit data source: Space-Track
YAOGAN 21, 40143 is a payload satellite owned by PLA GAD (CN) in SSO that was launched on Mon, 08 Sep 2014 UTC via a CHANG ZHENG 4B launch vehicle from the Taiyaun Space Center, China (TSC). Payloads include a variety of satellites, spacecraft, and rockets equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.
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40143 intel report (Beta)
YAOGAN 21 details
| Identifier | |
| Orbit | SSO |
| Last TLE update | 6 hours ago |
| Origin | |
| Manufacturer | CAST |
| Mission | Operational Defense Imaging |
| Bus & Motor | JB-10, Unknown motor |
| Mass | ~3,000 kg wet, ~3,000 kg dry |
| Launch date (UTC) | |
| Launch vehicle | |
| Launch site | |
| Object type | Payload Rocket body Debris |
| Shape & HBR | Box + 2 Pan, 8 m |
| Radar Cross Section | 9.231 m², Large (>1 m²) |
Expand to show TLE details & history
TLE from 6 hours ago
0 YAOGAN 21
1 40143U 14053A 24361.46592145 .00015510 00000-0 64257-3 0 9996
2 40143 97.2278 52.8474 0015898 200.9267 159.1322 15.23875860573098Epoch: 2024-12-26T11:10Z
Definitive object data (Epoch: 2024-12-26T11:10:55.613Z)
| Latitude | -0° |
| Longitude | 149.67076° |
| Altitude | 507.477 km |
| Speed | 7.605 km/s |
| True Right ascension | 03h 31m 23s |
| True Declination | 0° 00' 00" |
| Sunlit | Object was in full shadow at TLE epoch |
Visualization TLE readout
| Latitude | -8.70365° |
| Longitude | -31.21253° |
| Altitude | 488.072 km |
| Speed | 7.626 km/s |
| Apparent Right ascension | 13h 57m 04s |
| Apparent Declination | -67° 25' 15" |
| Sunlit | Object is in daylight |
Visualization observer readout
| Local Sidereal Time | 16:06:20 |
| Azimuth | 192.626° SSW |
| Elevation | -20.097° |
| Doppler factor | 1 |
Orbital elements
| Apogee altitude | 502.037 km |
| Perigee altitude | 480.195 km |
| Semi-major axis | 6,869.253 km |
| Eccentricity | 0.0015898 |
| Inclination | 97.2278° |
| RAAN | 52.8474° |
| Arg. of periapsis | 200.9267° |
| True anomaly | 159.19697° |
| Mean anomaly | 159.1322° |
| Eccentric anomaly | 159.1646° |
| Mean motion | 3.81223 °/min |
| BSTAR | 0.00064257 |
| Orbital period | 94.43 mins |
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Other satellites on launch #53 in the year 2014 (2014-09-08 UTC)
| YAOGAN 21, 40143 |
| TIANTUO 2, 40144 |
| CZ-4B R/B, 40145 (Decayed) |
YAOGAN 21 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 | 2024-12-27 03:05:07.597Z | 124.484° SE | 2024-12-27 03:07:07.597Z | 85.422° E | 24.398° | 2024-12-27 03:10:07.597Z | 17.784° NNE |
| 5 mins | 2024-12-27 16:08:07.597Z | 42.818° NE | 2024-12-27 16:10:07.597Z | 110.622° ESE | 32.332° | 2024-12-27 16:13:07.597Z | 168.838° S |
Authenticating...
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