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: 12 hours ago
TLE from 12 hours ago
0 YAOGAN-40 02B
1 63919U 25096B 26171.46908859 .00000137 00000-0 63809-4 0 9997
2 63919 85.9947 186.4685 0002343 97.2420 262.9030 14.12449101 57030Epoch: 2026-06-20T11:15Z
TLE epoch observation values (Epoch: 2026-06-20T11:15:29.254Z)
Latitude
0.00005°
Longitude
108.91334°
Altitude
854.227 km
Speed
7.425 km/s
True Right ascension
12h 25m 52s
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
10:20:18
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
849.7 km
Perigee altitude
846.314 km
Semi-major axis
7,226.144 km
Eccentricity
0.00023
Inclination
85.9947°
RAAN
186.4685°
Arg. of periapsis
97.242°
True anomaly
262.87636°
Mean anomaly
262.903°
Eccentric anomaly
262.88968°
Mean motion
3.53332 °/min
Orbital period
101.89 mins
BSTAR
0.000063809
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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. |
|---|---|---|---|---|---|---|---|
| 10 mins | 2026-06-21 00:58:03.378Z | 152.581° SSE | 2026-06-21 01:03:03.378Z | 82.772° E | 32.8° | 2026-06-21 01:08:03.378Z | 18.401° NNE |
| 7 mins | 2026-06-21 02:42:03.378Z | 237.822° WSW | 2026-06-21 02:45:03.378Z | 277.413° WNW | 22.458° | 2026-06-21 02:49:03.378Z | 330.747° NNW |
| 4 mins | 2026-06-21 11:41:03.378Z | 56.112° ENE | 2026-06-21 11:42:03.378Z | 67.869° E | 14.011° | 2026-06-21 11:45:03.378Z | 101.965° ESE |
| 9 mins | 2026-06-21 13:21:03.378Z | 349.844° N | 2026-06-21 13:25:03.378Z | 289.822° WNW | 42.806° | 2026-06-21 13:30:03.378Z | 189.178° SSW |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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