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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Edit Public Description
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: 7 hours ago
TLE from 7 hours ago
0 YAOGAN-31 C
1 43277U 18034C 25255.98027991 -.00000071 00000-0 27232-4 0 9992
2 43277 63.3966 83.7477 0250675 6.3523 354.0582 13.45409295364943Epoch: 2025-09-12T23:31Z
TLE epoch observation values (Epoch: 2025-09-12T23:31:36.184Z)
Latitude
0.00002°
Longitude
98.62673°
Altitude
904.816 km
Speed
7.492 km/s
True Right ascension
05h 34m 59s
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
23:11:36
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,275.183 km
Perigee altitude
900.867 km
Semi-major axis
7,466.162 km
Eccentricity
0.02507
Inclination
63.3966°
RAAN
83.7477°
Arg. of periapsis
6.3523°
True anomaly
353.75129°
Mean anomaly
354.0582°
Eccentric anomaly
353.90572°
Mean motion
3.36432 °/min
Orbital period
107.01 mins
BSTAR
0.000027232
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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. |
|---|---|---|---|---|---|---|---|
| 10 mins | 2025-09-13 13:55:01.315Z | 186.949° SSW | 2025-09-13 14:00:01.315Z | 109.95° ESE | 37.221° | 2025-09-13 14:05:01.315Z | 46.039° ENE |
| 9 mins | 2025-09-13 15:47:01.315Z | 267.709° W | 2025-09-13 15:51:01.315Z | 326.037° NNW | 27.496° | 2025-09-13 15:56:01.315Z | 18.349° NNE |
| 10 mins | 2025-09-13 21:27:01.315Z | 355.28° N | 2025-09-13 21:31:01.315Z | 39.235° NE | 24.387° | 2025-09-13 21:37:01.315Z | 93.793° ESE |
| 13 mins | 2025-09-13 23:17:01.315Z | 323.129° NNW | 2025-09-13 23:22:01.315Z | 276.12° WNW | 44.481° | 2025-09-13 23:30:01.315Z | 152.766° SSE |
| 6 mins | 2025-09-14 01:10:01.315Z | 272.207° WNW | 2025-09-14 01:12:01.315Z | 254.649° W | 15.155° | 2025-09-14 01:16:01.315Z | 222.527° SW |
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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