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: 5 hours ago
TLE from 5 hours ago
0 YAOGAN-31 C
1 43277U 18034C 26123.62053486 .00000003 00000-0 12601-3 0 9993
2 43277 63.3965 205.3146 0271572 6.9798 353.4890 13.45438546396240Epoch: 2026-05-03T14:53Z
TLE epoch observation values (Epoch: 2026-05-03T14:53:34.211Z)
Latitude
-0.00007°
Longitude
120.40056°
Altitude
889.429 km
Speed
7.507 km/s
True Right ascension
13h 41m 15s
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
03:48:47
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,290.674 km
Perigee altitude
885.16 km
Semi-major axis
7,466.054 km
Eccentricity
0.02716
Inclination
63.3965°
RAAN
205.3146°
Arg. of periapsis
6.9798°
True anomaly
353.12382°
Mean anomaly
353.489°
Eccentric anomaly
353.30767°
Mean motion
3.36439 °/min
Orbital period
107 mins
BSTAR
0.00012601
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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 | 2026-05-04 07:04:20.447Z | 201.814° SSW | 2026-05-04 07:09:20.447Z | 116.706° SE | 43.415° | 2026-05-04 07:15:20.447Z | 38.131° NE |
| 8 mins | 2026-05-04 08:57:20.447Z | 282.704° WNW | 2026-05-04 09:00:20.447Z | 320.878° NNW | 22.389° | 2026-05-04 09:05:20.447Z | 14.036° NNE |
| 11 mins | 2026-05-04 14:36:20.447Z | 349.904° N | 2026-05-04 14:41:20.447Z | 50.651° ENE | 29.161° | 2026-05-04 14:47:20.447Z | 105.154° ESE |
| 13 mins | 2026-05-04 16:26:20.447Z | 316.112° NNW | 2026-05-04 16:32:20.447Z | 225.059° WSW | 41.04° | 2026-05-04 16:39:20.447Z | 164.138° 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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