FENGYUN 4B, 48808
Orbit data source: Space-Track
FENGYUN 4B, 48808 is a payload satellite owned by CNMSC (CN) in GEO that was launched on Wed, 02 Jun 2021 UTC via a CHANG ZHENG 3B launch vehicle from the Xichang Space Center, China (XSC). 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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48808 intel report (Beta)
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Identifier
Orbit
Country
CN / PRCRelated business
Manufacturer
SISE
Mission
Operational Civil Weather
Bus & Motor
FY-4, LAE?
Mass
5,380 kg wet, ~3,000 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 1 Pan, 5.0 m
Radar Cross Section
24.437 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 21 hours ago
TLE from 21 hours ago
0 FENGYUN 4B
1 48808U 21047A 26172.55343015 -.00000332 00000-0 00000+0 0 9994
2 48808 0.1647 78.1229 0005927 276.9641 218.5870 1.00275001 18618Epoch: 2026-06-21T13:16Z
TLE epoch observation values (Epoch: 2026-06-21T13:16:56.364Z)
Latitude
0.10399°
Longitude
104.65593°
Altitude
35,804.62 km
Speed
3.073 km/s
True Right ascension
14h 14m 34s
True Declination
0° 06' 14"
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
21:27:22
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
35,811.755 km
Perigee altitude
35,761.773 km
Semi-major axis
42,164.901 km
Eccentricity
0.00059
Inclination
0.1647°
RAAN
78.1229°
Arg. of periapsis
276.9641°
True anomaly
218.54466°
Mean anomaly
218.587°
Eccentric anomaly
218.56583°
Mean motion
0.25068 °/min
Orbital period
1,436.1 mins
BSTAR
0
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Other satellites on launch #47 in the year 2021 (2021-06-02 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.FENGYUN 4B Visibility
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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. |
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| FENGYUN 4B is likely not visible in the next few days. |
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48808 neighbors
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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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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 |
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