FENGYUN 1C, 25730
Orbit data source: Space-Track
FENGYUN 1C, 25730 is a payload satellite owned by CNMSC (CN) in SSO that was launched on Mon, 10 May 1999 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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25730 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
CN / PRCRelated business
Manufacturer
SISE
Mission
Non-operational Civil Imaging
Bus & Motor
FY-1, Unknown motor
Mass
958 kg wet, ~958 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 4.3 m
Radar Cross Section
5.659 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 17 hours ago
TLE from 17 hours ago
0 FENGYUN 1C
1 25730U 99025A 25241.18571232 .00001977 00000-0 86023-3 0 9991
2 25730 98.8969 305.7717 0009692 13.6980 346.4460 14.25204161356334Epoch: 2025-08-29T04:27Z
TLE epoch observation values (Epoch: 2025-08-29T04:27:25.544Z)
Latitude
-0.00002°
Longitude
-98.72271°
Altitude
803.95 km
Speed
7.455 km/s
True Right ascension
20h 23m 05s
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
12:47:26
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
811.929 km
Perigee altitude
798.005 km
Semi-major axis
7,183.104 km
Eccentricity
0.00097
Inclination
98.8969°
RAAN
305.7717°
Arg. of periapsis
13.698°
True anomaly
346.41994°
Mean anomaly
346.446°
Eccentric anomaly
346.43297°
Mean motion
3.56513 °/min
Orbital period
100.98 mins
BSTAR
0.00086023
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Other satellites on launch #25 in the year 1999 (1999-05-10 UTC)
FENGYUN 1C Visibility forecast
Observer location: undefined°, undefined°
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. |
|---|---|---|---|---|---|---|---|
| 9 mins | 2025-08-30 04:09:36.306Z | 157.752° S | 2025-08-30 04:14:36.306Z | 32.653° NE | 43.353° | 2025-08-30 04:18:36.306Z | 350.588° N |
| 7 mins | 2025-08-30 16:26:36.306Z | 44.557° NE | 2025-08-30 16:29:36.306Z | 87.229° E | 25.624° | 2025-08-30 16:33:36.306Z | 148.913° SSE |
| 7 mins | 2025-08-30 18:06:36.306Z | 345.697° N | 2025-08-30 18:09:36.306Z | 297.57° NW | 29.226° | 2025-08-30 18:13:36.306Z | 234.401° WSW |
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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Authenticating...
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