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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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: 4 hours ago
TLE from 4 hours ago
0 SHIJIAN 6 05A (SJ-6 05A)
1 49961U 21122A 26319.18316244 .00002878 00000-0 23619-3 0 9996
2 49961 97.4330 280.6489 0005013 86.4156 273.7642 14.99956312271384Epoch: 2026-11-15T04:23Z
TLE epoch observation values (Epoch: 2026-11-15T04:23:45.234Z)
Latitude
0.00002°
Longitude
160.43317°
Altitude
569.867 km
Speed
7.576 km/s
True Right ascension
18h 42m 35s
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
04:31:01
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
567.505 km
Perigee altitude
560.545 km
Semi-major axis
6,942.162 km
Eccentricity
0.0005
Inclination
97.433°
RAAN
280.6489°
Arg. of periapsis
86.4156°
True anomaly
273.70688°
Mean anomaly
273.7642°
Eccentric anomaly
273.73554°
Mean motion
3.75233 °/min
Orbital period
95.94 mins
BSTAR
0.00023619
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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
Loading observer location...
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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-11-15 09:46:48.367Z | 42.895° NE | 2026-11-15 09:49:48.367Z | 103.856° ESE | 27.603° | 2026-11-15 09:52:48.367Z | 154.498° SSE |
| 4 mins | 2026-11-15 11:22:48.367Z | 323.28° NNW | 2026-11-15 11:24:48.367Z | 283.41° WNW | 20.883° | 2026-11-15 11:26:48.367Z | 249.21° W |
| 5 mins | 2026-11-15 22:08:48.367Z | 207.821° SW | 2026-11-15 22:10:48.367Z | 259.624° W | 37.762° | 2026-11-15 22:13:48.367Z | 325.695° NNW |
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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