FENGYUN 1C DEB, 29851
Orbit data source: Space-Track
FENGYUN 1C DEB, 29851 is space debris in SSO originally from a launch on Mon, 10 May 1999 UTC launched from the Taiyaun Space Center, China (TSC). Fengyun 1C debris stems from the Chinese weather satellite Fengyun-1C, which was intentionally destroyed by a Chinese anti-satellite missile in 2007. This event dramatically increased the amount of space debris, with thousands of trackable fragments posing hazards to satellites and human spaceflight. The Fengyun 1C debris cloud has become a focal point in discussions about space sustainability and the need for international regulations to prevent the creation of new debris.
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29851 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
CN / PRCRelated business
Manufacturer
Unknown
Mission
Spacecraft
Bus & Motor
Unknown
Mass
Unknown
Launch date (UTC)
Launch vehicle
Unknown
Launch site
Object type
Shape & HBR
Unknown shape, 0.1 m
Radar Cross Section
Small (<0.1 m²)
Expand to show TLE details & historyLast TLE update: 1 day ago
TLE from 1 day ago
0 FENGYUN 1C DEB
1 29851U 99025EV 25354.13043484 .00000282 00000-0 27581-3 0 9994
2 29851 99.5832 35.1943 0142338 207.9662 219.7867 13.83605092954691Epoch: 2025-12-20T03:07Z
TLE epoch observation values (Epoch: 2025-12-20T03:07:49.570Z)
Latitude
65.01655°
Longitude
-121.8535°
Altitude
1,043.055 km
Speed
7.296 km/s
True Right ascension
00h 56m 15s
True Declination
64° 53' 23"
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
03:21:48
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,052.662 km
Perigee altitude
844.093 km
Semi-major axis
7,326.514 km
Eccentricity
0.01423
Inclination
99.5832°
RAAN
35.1943°
Arg. of periapsis
207.9662°
True anomaly
218.75707°
Mean anomaly
219.7867°
Eccentric anomaly
219.27048°
Mean motion
3.46096 °/min
Orbital period
104.02 mins
BSTAR
0.00027581
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Other satellites on launch #25 in the year 1999 (1999-05-10 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 1C DEB 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. |
|---|---|---|---|---|---|---|---|
| 10 mins | 2025-12-21 15:51:17.291Z | 15.91° NNE | 2025-12-21 15:55:17.291Z | 29.261° NE | 44.18° | 2025-12-21 16:01:17.291Z | 194.77° SSW |
| 4 mins | 2025-12-21 17:36:17.291Z | 317.728° NNW | 2025-12-21 17:37:17.291Z | 306.527° NW | 13.865° | 2025-12-21 17:40:17.291Z | 274.189° WNW |
| 10 mins | 2025-12-22 01:48:17.291Z | 119.505° SE | 2025-12-22 01:53:17.291Z | 56.923° ENE | 28.128° | 2025-12-22 01:58:17.291Z | 4.918° NNE |
| 11 mins | 2025-12-22 03:30:17.291Z | 194.694° SSW | 2025-12-22 03:35:17.291Z | 261.3° W | 34.595° | 2025-12-22 03:41:17.291Z | 331.544° NNW |
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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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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