YAOGAN-31 B, 43276
Orbit data source: Space-Track
YAOGAN-31 B, 43276 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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43276 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: 5 hours ago
TLE from 5 hours ago
0 YAOGAN-31 B
1 43276U 18034B 26303.63108109 -.00000074 00000-0 21270-4 0 9998
2 43276 63.3918 102.7478 0287234 7.9198 352.6221 13.45466970420443Epoch: 2026-10-30T15:08Z
TLE epoch observation values (Epoch: 2026-10-30T15:08:45.406Z)
Latitude
-0.00005°
Longitude
-163.3898°
Altitude
878.131 km
Speed
7.518 km/s
True Right ascension
06h 50m 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
15:49:37
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,302.26 km
Perigee altitude
873.365 km
Semi-major axis
7,465.949 km
Eccentricity
0.02872
Inclination
63.3918°
RAAN
102.7478°
Arg. of periapsis
7.9198°
True anomaly
352.18386°
Mean anomaly
352.6221°
Eccentric anomaly
352.40457°
Mean motion
3.36446 °/min
Orbital period
107 mins
BSTAR
0.00002127
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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 B 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. |
|---|---|---|---|---|---|---|---|
| 14 mins | 2026-10-30 21:01:28.276Z | 331.939° NNW | 2026-10-30 21:07:28.276Z | 32.774° NE | 65.173° | 2026-10-30 21:15:28.276Z | 135.135° SSE |
| 11 mins | 2026-10-30 22:53:28.276Z | 296.096° NW | 2026-10-30 22:58:28.276Z | 245.084° WSW | 27.828° | 2026-10-30 23:04:28.276Z | 195.273° SSW |
| 10 mins | 2026-10-31 12:41:28.276Z | 215.684° SW | 2026-10-31 12:46:28.276Z | 6.92° NNE | 77.569° | 2026-10-31 12:51:28.276Z | 32.556° NE |
| 7 mins | 2026-10-31 14:34:28.276Z | 291.427° WNW | 2026-10-31 14:37:28.276Z | 325.396° NNW | 19.405° | 2026-10-31 14:41:28.276Z | 7.142° NNE |
| 5 mins | 2026-10-31 18:23:28.276Z | 7.147° NNE | 2026-10-31 18:25:28.276Z | 25.178° NE | 13.725° | 2026-10-31 18:28:28.276Z | 50.321° ENE |
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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