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: 10 hours ago
TLE from 10 hours ago
0 SHIJIAN 6 05A (SJ-6 05A)
1 49961U 21122A 26106.86162407 .00001717 00000-0 14529-3 0 9996
2 49961 97.4035 78.4098 0001956 105.7434 254.4006 14.99255332239569Epoch: 2026-04-16T20:40Z
TLE epoch observation values (Epoch: 2026-04-16T20:40:44.319Z)
Latitude
-0°
Longitude
-76.77795°
Altitude
572.624 km
Speed
7.574 km/s
True Right ascension
05h 13m 38s
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
12:51:50
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
567.548 km
Perigee altitude
564.831 km
Semi-major axis
6,944.326 km
Eccentricity
0.0002
Inclination
97.4035°
RAAN
78.4098°
Arg. of periapsis
105.7434°
True anomaly
254.37901°
Mean anomaly
254.4006°
Eccentric anomaly
254.38981°
Mean motion
3.75058 °/min
Orbital period
95.99 mins
BSTAR
0.00014529
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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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-04-17 10:04:44.581Z | 50.027° ENE | 2026-04-17 10:06:44.581Z | 83.516° E | 19.634° | 2026-04-17 10:09:44.581Z | 138.797° SSE |
| 4 mins | 2026-04-17 11:40:44.581Z | 326.415° NNW | 2026-04-17 11:42:44.581Z | 278.989° WNW | 24.046° | 2026-04-17 11:44:44.581Z | 241.224° WSW |
| 6 mins | 2026-04-17 22:26:44.581Z | 194.104° SSW | 2026-04-17 22:28:44.581Z | 246.197° WSW | 37.204° | 2026-04-17 22:32:44.581Z | 336.53° 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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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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