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 26033.53810134 .00000120 00000-0 28809-3 0 9991
2 43277 63.3969 77.0648 0263429 6.7047 353.7392 13.45428079384126Epoch: 2026-02-02T12:54Z
TLE epoch observation values (Epoch: 2026-02-02T12:54:51.955Z)
Latitude
-0.00007°
Longitude
110.61633°
Altitude
895.403 km
Speed
7.501 km/s
True Right ascension
05h 08m 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
21:37:38
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,284.634 km
Perigee altitude
891.277 km
Semi-major axis
7,466.093 km
Eccentricity
0.02634
Inclination
63.3969°
RAAN
77.0648°
Arg. of periapsis
6.7047°
True anomaly
353.39888°
Mean anomaly
353.7392°
Eccentric anomaly
353.57018°
Mean motion
3.36436 °/min
Orbital period
107 mins
BSTAR
0.00028809
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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. |
|---|---|---|---|---|---|---|---|
| 8 mins | 2026-02-03 03:18:03.489Z | 153.067° SSE | 2026-02-03 03:22:03.489Z | 108.242° ESE | 19.55° | 2026-02-03 03:26:03.489Z | 65.096° ENE |
| 11 mins | 2026-02-03 05:07:03.489Z | 229.213° WSW | 2026-02-03 05:12:03.489Z | 317.885° NNW | 41.466° | 2026-02-03 05:18:03.489Z | 28.585° NE |
| 5 mins | 2026-02-03 07:02:03.489Z | 312.544° NW | 2026-02-03 07:04:03.489Z | 334.302° NNW | 15.418° | 2026-02-03 07:07:03.489Z | 3.553° NNE |
| 7 mins | 2026-02-03 10:49:03.489Z | 3.926° NNE | 2026-02-03 10:52:03.489Z | 32.462° NE | 15.805° | 2026-02-03 10:56:03.489Z | 65.712° ENE |
| 13 mins | 2026-02-03 12:38:03.489Z | 336.743° NNW | 2026-02-03 12:44:03.489Z | 56.406° ENE | 39.267° | 2026-02-03 12:51:03.489Z | 126.836° SE |
| 12 mins | 2026-02-03 14:29:03.489Z | 302.892° NW | 2026-02-03 14:34:03.489Z | 250.542° W | 29.613° | 2026-02-03 14:41:03.489Z | 186.215° SSW |
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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