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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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https://www.satcat.com/sats-embedded/25730?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

25730, 1999-025A

Orbit

SSO

Last TLE update

14 hours ago

Origin

China's National Satellite Meteorological Centre (CN / PRC)

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, 4.3 m

Radar Cross Section

5.659 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history

TLE from 14 hours ago

0 FENGYUN 1C
1 25730U 99025A   25221.45773800  .00001229  00000-0  54272-3 0  9995
2 25730  98.8989 285.7692 0011839  69.7866 290.4585 14.25146243353526

Epoch: 2025-08-09T10:59Z

TLE epoch observation values (Epoch: 2025-08-09T10:59:08.563Z)

Latitude

0.00002°

Longitude

162.79036°

Altitude

807.951 km

Speed

7.451 km/s

True Right ascension

19h 03m 04s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow at epoch

Visualization orbit readout

Latitude

-19.4267°

Longitude

-19.74966°

Altitude

821.023 km

Speed

7.439 km/s

Apparent Right ascension

05h 32m 26s

Apparent Declination

-31° 07' 46"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

15:38:31

Azimuth

281.935° WNW

Elevation

-65.341°

Doppler factor

Orbital elements

Apogee altitude

813.666 km

Perigee altitude

796.658 km

Semi-major axis

7,183.299 km

Eccentricity

0.00118

Inclination

98.8989°

RAAN

285.7692°

Arg. of periapsis

69.7866°

True anomaly

290.33133°

Mean anomaly

290.4585°

Eccentric anomaly

290.39492°

Mean motion

3.56498 °/min

Orbital period

100.98 mins

BSTAR

0.00054272

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Other satellites on launch #25 in the year 1999 (1999-05-10 UTC)

FENGYUN 1C DEB, 29736

FENGYUN 1C DEB, 30313

FENGYUN 1C DEB, 30314

FENGYUN 1C DEB, 30315

FENGYUN 1C DEB, 30316

FENGYUN 1C DEB, 30317

FENGYUN 1C DEB, 30318 (Decayed)

FENGYUN 1C DEB, 30319 (Decayed)

FENGYUN 1C DEB, 30320

FENGYUN 1C DEB, 30321

FENGYUN 1C DEB, 30322

FENGYUN 1C DEB, 30325

FENGYUN 1C DEB, 30326

FENGYUN 1C DEB, 30327

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.
10 mins	2025-08-10 03:56:51.010Z	150.618° SSE	2025-08-10 04:01:51.010Z	66.052° ENE	40.973°	2025-08-10 04:06:51.010Z	353.806° N
4 mins	2025-08-10 05:40:51.010Z	253.834° W	2025-08-10 05:41:51.010Z	267.105° W	15.198°	2025-08-10 05:44:51.010Z	303.212° NW
6 mins	2025-08-10 16:14:51.010Z	56.016° ENE	2025-08-10 16:17:51.010Z	101.136° ESE	21.406°	2025-08-10 16:20:51.010Z	140.782° SSE
8 mins	2025-08-10 17:53:51.010Z	352.617° N	2025-08-10 17:57:51.010Z	277.119° WNW	33.203°	2025-08-10 18:01:51.010Z	223.359° SW

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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Check out FENGYUN 1C, 25730 on other resources

View FENGYUN 1C, 25730 on NASA - NSSDCA Website

View FENGYUN 1C, 25730 on Heavens-Above

View FENGYUN 1C, 25730 on Keep Track

View FENGYUN 1C, 25730 on Celestrak

View FENGYUN 1C, 25730 on Gunter's Space Page

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