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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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Identifier
25730, 1999-025A
Orbit
SSO
Last TLE update
8 hours ago
Origin
Manufacturer
SISE
Mission
Non-operational Civil Imaging
Bus & Motor
FY-1, Unknown motor
Mass
958 kg wet, ~958 kg dry
Launch date (UTC)
1999-05-10 (26 years ago)
Launch vehicle
CHANG ZHENG 4B
Launch site
Taiyaun Space Center, China (TSC)
Object type
Payload
Rocket body
Debris
Shape & HBR
Box + 2 Pan, 8.6 m
Radar Cross Section
5.659 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history

TLE from 8 hours ago
0 FENGYUN 1C
1 25730U 99025A   25183.93000279  .00001250  00000-0  55243-3 0  9991
2 25730  98.8999 247.7156 0012761 161.7111  16.2841 14.25057226348177
Epoch: 2025-07-02T22:19Z
TLE epoch observation values (Epoch: 2025-07-02T22:19:12.241Z)
Latitude
1.83488°
Longitude
171.99646°
Altitude
802.192 km
Speed
7.457 km/s
True Right ascension
04h 32m 00s
True Declination
1° 49' 26"
Sunlit
Object was in daylight at epoch
Visualization orbit readout
Latitude
23.28361°
Longitude
-11.8075°
Altitude
817.844 km
Speed
7.443 km/s
Apparent Right ascension
13h 28m 55s
Apparent Declination
-23° 50' 55"
Sunlit
Object is in full shadow
Visualization observer readout
Local Sidereal Time
17:46:59
Azimuth
235.73° WSW
Elevation
2.427°
Doppler factor
1
Orbital elements
Apogee altitude
814.628 km
Perigee altitude
796.294 km
Semi-major axis
7,183.598 km
Eccentricity
0.00128
Inclination
98.8999°
RAAN
247.7156°
Arg. of periapsis
161.7111°
True anomaly
Unknown
Mean anomaly
16.2841°
Eccentric anomaly
Unknown
Mean motion
3.56476 °/min
Orbital period
100.99 mins
BSTAR
0.00055243
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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 mins2025-07-03 16:36:23.233Z30.02° NE2025-07-03 16:41:23.233Z111.897° ESE33.139°2025-07-03 16:45:23.233Z167.2° S
6 mins2025-07-03 18:18:23.233Z328.516° NNW2025-07-03 18:20:23.233Z297.254° NW22.177°2025-07-03 18:24:23.233Z244.597° WSW
8 mins2025-07-04 03:57:23.233Z148.831° SSE2025-07-04 04:00:23.233Z96.982° ESE41.707°2025-07-04 04:05:23.233Z353.471° N
4 mins2025-07-04 05:39:23.233Z248.586° W2025-07-04 05:41:23.233Z273.782° WNW14.33°2025-07-04 05:43:23.233Z297.402° NW
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