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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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: 7 hours ago
TLE from 7 hours ago
0 YAOGAN-40 02B
1 63919U 25096B 26061.87459877 .00000222 00000-0 11000-3 0 9991
2 63919 85.9899 235.5721 0002207 102.6528 257.4902 14.12423565 41566Epoch: 2026-03-02T20:59Z
TLE epoch observation values (Epoch: 2026-03-02T20:59:25.333Z)
Latitude
-0.00003°
Longitude
120.0548°
Altitude
854.45 km
Speed
7.425 km/s
True Right ascension
15h 42m 17s
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
07:14:26
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
849.689 km
Perigee altitude
846.499 km
Semi-major axis
7,226.231 km
Eccentricity
0.00022
Inclination
85.9899°
RAAN
235.5721°
Arg. of periapsis
102.6528°
True anomaly
257.46551°
Mean anomaly
257.4902°
Eccentric anomaly
257.47786°
Mean motion
3.53326 °/min
Orbital period
101.89 mins
BSTAR
0.00011
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-03-03 10:44:11.859Z | 112.872° SE | 2026-03-03 10:47:11.859Z | 78.88° E | 15.569° | 2026-03-03 10:50:11.859Z | 44.741° NE |
| 9 mins | 2026-03-03 12:25:11.859Z | 199.887° SSW | 2026-03-03 12:29:11.859Z | 289.348° WNW | 41.022° | 2026-03-03 12:34:11.859Z | 355.361° N |
| 9 mins | 2026-03-03 23:05:11.859Z | 15.078° NNE | 2026-03-03 23:09:11.859Z | 85.092° E | 36.284° | 2026-03-03 23:14:11.859Z | 155.596° SSE |
| 6 mins | 2026-03-04 00:48:11.859Z | 316.053° NNW | 2026-03-04 00:51:11.859Z | 277.031° WNW | 19.563° | 2026-03-04 00:54:11.859Z | 239.738° WSW |
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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