YAOGAN-40 02B, 63919
Orbit data source: Space-Track
YAOGAN-40 02B, 63919 is a payload satellite owned by CAST (CN) in LEO that was launched on Sun, 11 May 2025 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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63919 intel report (Beta)
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Edit Public Description
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: 8 hours ago
TLE from 8 hours ago
0 YAOGAN-40 02B
1 63919U 25096B 25334.63480939 .00000235 00000-0 11735-3 0 9999
2 63919 85.9919 276.9522 0002505 78.6924 281.4540 14.12393423 28547Epoch: 2025-11-30T15:14Z
TLE epoch observation values (Epoch: 2025-11-30T15:14:07.531Z)
Latitude
-0.00006°
Longitude
-21.32502°
Altitude
853.848 km
Speed
7.426 km/s
True Right ascension
18h 27m 48s
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
21:20:40
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
850.007 km
Perigee altitude
846.387 km
Semi-major axis
7,226.334 km
Eccentricity
0.00025
Inclination
85.9919°
RAAN
276.9522°
Arg. of periapsis
78.6924°
True anomaly
281.42586°
Mean anomaly
281.454°
Eccentric anomaly
281.43993°
Mean motion
3.53318 °/min
Orbital period
101.89 mins
BSTAR
0.00011735
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Other satellites on launch #96 in the year 2025 (2025-05-11 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 02B 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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2025-12-01 07:07:47.112Z | 34.928° NE | 2025-12-01 07:10:47.112Z | 68.657° E | 16.697° | 2025-12-01 07:14:47.112Z | 115.073° SE |
| 9 mins | 2025-12-01 08:49:47.112Z | 344.801° N | 2025-12-01 08:53:47.112Z | 277.893° WNW | 39.962° | 2025-12-01 08:58:47.112Z | 195.699° SSW |
| 9 mins | 2025-12-01 20:15:47.112Z | 150.081° SSE | 2025-12-01 20:19:47.112Z | 85.504° E | 34.074° | 2025-12-01 20:24:47.112Z | 17.769° NNE |
| 6 mins | 2025-12-01 21:59:47.112Z | 248.24° W | 2025-12-01 22:01:47.112Z | 275.941° WNW | 21.325° | 2025-12-01 22:05:47.112Z | 328.897° NNW |
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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