SHIJIAN 6 05A (SJ-6 05A), 49961
Orbit data source: Space-Track
SHIJIAN 6 05A (SJ-6 05A), 49961 is a payload satellite owned by CASC (CN) in SSO that was launched on Fri, 10 Dec 2021 UTC via a CHANG ZHENG 4B launch vehicle from the Jiuquan Satellite Launch Center, China (JSC). Payload-class satellites include a variety of spacecraft 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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49961 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
CN / PRCRelated business
Manufacturer
SAST
Mission
Operational Defense Sigint
Bus & Motor
FY-1?, Unknown motor
Mass
~1,000 kg wet, ~1,000 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 4.3 m
Radar Cross Section
5.659 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 21 hours ago
TLE from 21 hours ago
0 SHIJIAN 6 05A (SJ-6 05A)
1 49961U 21122A 25306.62553403 .00003255 00000-0 27829-3 0 9997
2 49961 97.3819 281.7403 0002905 93.4468 266.7088 14.98270933214812Epoch: 2025-11-02T15:00Z
TLE epoch observation values (Epoch: 2025-11-02T15:00:46.140Z)
Latitude
0.00002°
Longitude
14.40947°
Altitude
575.417 km
Speed
7.573 km/s
True Right ascension
18h 46m 57s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
08:05:43
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
571.251 km
Perigee altitude
567.214 km
Semi-major axis
6,947.369 km
Eccentricity
0.00029
Inclination
97.3819°
RAAN
281.7403°
Arg. of periapsis
93.4468°
True anomaly
266.67557°
Mean anomaly
266.7088°
Eccentric anomaly
266.69218°
Mean motion
3.74811 °/min
Orbital period
96.05 mins
BSTAR
0.00027829
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Other satellites on launch #122 in the year 2021 (2021-12-10 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.SHIJIAN 6 05A (SJ-6 05A) Visibility forecast
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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 | 2025-11-03 12:25:09.471Z | 327.244° NNW | 2025-11-03 12:27:09.471Z | 294.959° NW | 15.969° | 2025-11-03 12:29:09.471Z | 261.508° W |
| 4 mins | 2025-11-03 21:38:09.471Z | 96.46° ESE | 2025-11-03 21:39:09.471Z | 77.22° E | 19.335° | 2025-11-03 21:42:09.471Z | 24.211° NE |
| 5 mins | 2025-11-03 23:12:09.471Z | 213.644° SW | 2025-11-03 23:14:09.471Z | 252.197° W | 24.995° | 2025-11-03 23:17:09.471Z | 315.945° NNW |
| 6 mins | 2025-11-04 10:52:09.471Z | 34.939° NE | 2025-11-04 10:55:09.471Z | 108.003° ESE | 32.165° | 2025-11-04 10:58:09.471Z | 164.956° S |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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