YAOGAN-40 01B, 57832
Orbit data source: Space-Track
YAOGAN-40 01B, 57832 is a payload satellite owned by CAST (CN) in LEO that was launched on Sun, 10 Sep 2023 UTC via a CHANG ZHENG 6A launch vehicle from the Taiyaun Space Center, China (TSC). 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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57832 intel report (Beta)
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Identifier
Orbit
Country
CN / PRCRelated business
Manufacturer
DFH
Mission
Operational Defense Sigint
Bus & Motor
YG40, Unknown motor
Mass
~500 kg wet, ~500 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 2.0 m
Radar Cross Section
5.141 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 21 hours ago
TLE from 21 hours ago
0 YAOGAN-40 01B
1 57832U 23139C 26172.54556899 .00000104 00000-0 45939-4 0 9991
2 57832 85.9909 257.9762 0002358 102.8275 257.3171 14.12447589143322Epoch: 2026-06-21T13:05Z
TLE epoch observation values (Epoch: 2026-06-21T13:05:37.160Z)
Latitude
-0.0001°
Longitude
151.82706°
Altitude
854.397 km
Speed
7.425 km/s
True Right ascension
17h 11m 54s
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
21:32:32
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
849.716 km
Perigee altitude
846.308 km
Semi-major axis
7,226.149 km
Eccentricity
0.00024
Inclination
85.9909°
RAAN
257.9762°
Arg. of periapsis
102.8275°
True anomaly
257.29074°
Mean anomaly
257.3171°
Eccentric anomaly
257.30392°
Mean motion
3.53332 °/min
Orbital period
101.89 mins
BSTAR
0.000045939
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Other satellites on launch #139 in the year 2023 (2023-09-10 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-40 01B 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. |
|---|---|---|---|---|---|---|---|
| 9 mins | 2026-06-22 16:52:31.590Z | 20.743° NNE | 2026-06-22 16:57:31.590Z | 86.899° E | 25.34° | 2026-06-22 17:01:31.590Z | 135.68° SSE |
| 8 mins | 2026-06-22 18:35:31.590Z | 332.257° NNW | 2026-06-22 18:39:31.590Z | 272.364° WNW | 29.352° | 2026-06-22 18:43:31.590Z | 216.664° SW |
| 9 mins | 2026-06-23 06:01:31.590Z | 170.072° S | 2026-06-23 06:05:31.590Z | 66.252° ENE | 43.175° | 2026-06-23 06:10:31.590Z | 7.833° NNE |
| 4 mins | 2026-06-23 07:46:31.590Z | 268.941° W | 2026-06-23 07:48:31.590Z | 292.288° WNW | 13.564° | 2026-06-23 07:50:31.590Z | 314.385° NW |
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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