GAOFEN 11 04, 54818
Orbit data source: Space-Track
GAOFEN 11 04, 54818 is a payload satellite owned by Yaogan Zongti (CN) in SSO that was launched on Tue, 27 Dec 2022 UTC via a CHANG ZHENG 4B 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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54818 intel report (Beta)
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Identifier
Orbit
Country
CN / PRCRelated business
Manufacturer
CAST/YWZB
Mission
Operational Defense Imaging
Bus & Motor
JB-16, Unknown motor
Mass
~3,000 kg wet, ~3,000 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 4.0 m
Radar Cross Section
9.231 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 22 hours ago
TLE from 22 hours ago
0 GAOFEN 11 04
1 54818U 22176A 26172.51865487 .00004356 00000-0 18591-3 0 9991
2 54818 97.4237 305.6770 0006099 294.1265 65.9334 15.23412977193915Epoch: 2026-06-21T12:26Z
TLE epoch observation values (Epoch: 2026-06-21T12:26:51.780Z)
Latitude
-0.00002°
Longitude
-150.75652°
Altitude
496.942 km
Speed
7.617 km/s
True Right ascension
20h 22m 42s
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
21:24:28
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
496.708 km
Perigee altitude
488.327 km
Semi-major axis
6,870.654 km
Eccentricity
0.00061
Inclination
97.4237°
RAAN
305.677°
Arg. of periapsis
294.1265°
True anomaly
65.99723°
Mean anomaly
65.9334°
Eccentric anomaly
65.96531°
Mean motion
3.81106 °/min
Orbital period
94.46 mins
BSTAR
0.00018591
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Other satellites on launch #176 in the year 2022 (2022-12-27 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.GAOFEN 11 04 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 | 2026-06-22 22:06:28.138Z | 357.819° N | 2026-06-22 22:09:28.138Z | 292.475° WNW | 35.925° | 2026-06-22 22:12:28.138Z | 214.941° SW |
| 6 mins | 2026-06-23 08:43:28.138Z | 150.301° SSE | 2026-06-23 08:45:28.138Z | 111.728° ESE | 38.35° | 2026-06-23 08:49:28.138Z | 356.362° N |
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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