YAOGAN-40 02A, 63918
Orbit data source: Space-Track
YAOGAN-40 02A, 63918 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.
Focus sentinelFocus sentinel
Request partner network tasking
Focus sentinelFocus sentinel
Embed this page
Focus sentinelFocus sentinel
63918 intel report (Beta)
Focus sentinelFocus sentinel
Edit Public Description
Focus sentinelFocus sentinel
Create New Watchlist
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 02A
1 63918U 25096A 26061.87443020 .00000162 00000-0 77573-4 0 9994
2 63918 85.9905 235.5942 0002359 87.1480 272.9973 14.12424498 41566Epoch: 2026-03-02T20:59Z
TLE epoch observation values (Epoch: 2026-03-02T20:59:10.769Z)
Latitude
-0.00002°
Longitude
120.13775°
Altitude
854.012 km
Speed
7.426 km/s
True Right ascension
15h 42m 22s
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
07:14:34
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
849.796 km
Perigee altitude
846.386 km
Semi-major axis
7,226.228 km
Eccentricity
0.00024
Inclination
85.9905°
RAAN
235.5942°
Arg. of periapsis
87.148°
True anomaly
272.9703°
Mean anomaly
272.9973°
Eccentric anomaly
272.9838°
Mean motion
3.53326 °/min
Orbital period
101.89 mins
BSTAR
0.000077573
Loading maneuver chart data...
Computing Atmospheric mass density...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Other satellites on launch #96 in the year 2025 (2025-05-11 UTC)
Did you know?
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 02A Visibility forecast
Loading observer location...
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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-03-03 10:44:19.567Z | 109.298° ESE | 2026-03-03 10:47:19.567Z | 74.104° E | 15.381° | 2026-03-03 10:49:19.567Z | 50.802° ENE |
| 9 mins | 2026-03-03 12:24:19.567Z | 197.343° SSW | 2026-03-03 12:28:19.567Z | 255.428° W | 40.934° | 2026-03-03 12:33:19.567Z | 353.882° N |
| 8 mins | 2026-03-03 23:05:19.567Z | 17.558° NNE | 2026-03-03 23:09:19.567Z | 97.34° ESE | 35.693° | 2026-03-03 23:13:19.567Z | 152.79° SSE |
| 6 mins | 2026-03-04 00:48:19.567Z | 312.334° NW | 2026-03-04 00:50:19.567Z | 286.366° WNW | 19.522° | 2026-03-04 00:54:19.567Z | 236.352° 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 |
|---|
CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
Authenticating...
Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in descending order |
|---|