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 26123.61837978 -.00000071 00000-0 25637-4 0 9997
2 43276 63.3956 205.9622 0271479 7.2420 353.2405 13.45452981396223Epoch: 2026-05-03T14:50Z
TLE epoch observation values (Epoch: 2026-05-03T14:50:28.012Z)
Latitude
-0.00004°
Longitude
121.82611°
Altitude
889.553 km
Speed
7.507 km/s
True Right ascension
13h 43m 50s
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
03:48:44
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,290.55 km
Perigee altitude
885.177 km
Semi-major axis
7,466.001 km
Eccentricity
0.02715
Inclination
63.3956°
RAAN
205.9622°
Arg. of periapsis
7.242°
True anomaly
352.86159°
Mean anomaly
353.2405°
Eccentric anomaly
353.05235°
Mean motion
3.36443 °/min
Orbital period
107 mins
BSTAR
0.000025637
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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. |
|---|---|---|---|---|---|---|---|
| 11 mins | 2026-05-04 07:00:16.917Z | 199.365° SSW | 2026-05-04 07:06:16.917Z | 104.794° ESE | 41.891° | 2026-05-04 07:11:16.917Z | 40.928° NE |
| 9 mins | 2026-05-04 08:53:16.917Z | 273.841° WNW | 2026-05-04 08:57:16.917Z | 324.613° NNW | 23.639° | 2026-05-04 09:02:16.917Z | 16.172° NNE |
| 10 mins | 2026-05-04 14:33:16.917Z | 352.782° N | 2026-05-04 14:37:16.917Z | 39.09° NE | 27.858° | 2026-05-04 14:43:16.917Z | 99.463° ESE |
| 13 mins | 2026-05-04 16:23:16.917Z | 317.533° NNW | 2026-05-04 16:28:16.917Z | 254.538° W | 42.424° | 2026-05-04 16:36:16.917Z | 160.792° S |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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