YAOGAN-31 C, 43277
Orbit data source: Space-Track
YAOGAN-31 C, 43277 is a payload satellite owned by PLA SSF (CN) in LEO that was launched on Tue, 10 Apr 2018 UTC via a CHANG ZHENG 4C 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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43277 intel report (Beta)
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Identifier
Orbit
Country
CN / PRCRelated business
Manufacturer
DFH
Mission
Operational Defense Sigint
Bus & Motor
Unknown
Mass
~500 kg wet, ~500 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 0.5 m
Radar Cross Section
0.446 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 1 day ago
TLE from 1 day ago
0 YAOGAN-31 C
1 43277U 18034C 26172.52638990 .00000004 00000-0 12681-3 0 9994
2 43277 63.3961 79.4875 0275926 7.1532 353.3307 13.45444606402829Epoch: 2026-06-21T12:38Z
TLE epoch observation values (Epoch: 2026-06-21T12:38:00.087Z)
Latitude
0°
Longitude
-19.73826°
Altitude
886.248 km
Speed
7.51 km/s
True Right ascension
05h 17m 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
00:51:28
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,293.902 km
Perigee altitude
881.887 km
Semi-major axis
7,466.032 km
Eccentricity
0.02759
Inclination
63.3961°
RAAN
79.4875°
Arg. of periapsis
7.1532°
True anomaly
352.95048°
Mean anomaly
353.3307°
Eccentric anomaly
353.14192°
Mean motion
3.36441 °/min
Orbital period
107 mins
BSTAR
0.00012681
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Other satellites on launch #34 in the year 2018 (2018-04-10 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.YAOGAN-31 C 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. |
|---|---|---|---|---|---|---|---|
| 11 mins | 2026-06-22 19:03:54.580Z | 193.585° SSW | 2026-06-22 19:09:54.580Z | 103.209° ESE | 38.965° | 2026-06-22 19:14:54.580Z | 43.574° NE |
| 8 mins | 2026-06-22 20:56:54.580Z | 271.59° WNW | 2026-06-22 20:59:54.580Z | 311.023° NW | 25.629° | 2026-06-22 21:04:54.580Z | 12.646° NNE |
| 11 mins | 2026-06-23 02:35:54.580Z | 348.59° N | 2026-06-23 02:40:54.580Z | 41.678° NE | 25.804° | 2026-06-23 02:46:54.580Z | 96.804° ESE |
| 14 mins | 2026-06-23 04:25:54.580Z | 321.833° NNW | 2026-06-23 04:31:54.580Z | 250.799° W | 44.015° | 2026-06-23 04:39:54.580Z | 155.917° SSE |
| 5 mins | 2026-06-23 06:19:54.580Z | 270.029° WNW | 2026-06-23 06:21:54.580Z | 253.227° W | 13.701° | 2026-06-23 06:24:54.580Z | 229.653° WSW |
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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