FENGYUN 1C DEB, 31743
Orbit data source: Space-Track
FENGYUN 1C DEB, 31743 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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31743 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: 2 days ago
TLE from 2 days ago
0 FENGYUN 1C DEB
1 31743U 99025CES 25302.60121618 .00007262 00000-0 27714-2 0 9990
2 31743 99.1359 228.2563 0039968 349.8947 136.5661 14.30644123950092Epoch: 2025-10-29T14:25Z
TLE epoch observation values (Epoch: 2025-10-29T14:25:45.077Z)
Latitude
52.36497°
Longitude
165.61981°
Altitude
818.901 km
Speed
7.438 km/s
True Right ascension
04h 00m 55s
True Declination
52° 11' 60"
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
06:07:36
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
815.38 km
Perigee altitude
758.107 km
Semi-major axis
7,164.881 km
Eccentricity
0.004
Inclination
99.1359°
RAAN
228.2563°
Arg. of periapsis
349.8947°
True anomaly
136.87984°
Mean anomaly
136.5661°
Eccentric anomaly
136.72309°
Mean motion
3.57874 °/min
Orbital period
100.59 mins
BSTAR
0.0027714
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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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2025-10-31 18:01:09.598Z | 112.549° SE | 2025-10-31 18:05:09.598Z | 58.276° ENE | 20.887° | 2025-10-31 18:08:09.598Z | 18.653° NNE |
| 7 mins | 2025-10-31 19:41:09.598Z | 201.883° SSW | 2025-10-31 19:44:09.598Z | 268.016° W | 34.068° | 2025-10-31 19:48:09.598Z | 329.117° NNW |
| 9 mins | 2025-11-01 07:53:09.598Z | 22.808° NE | 2025-11-01 07:57:09.598Z | 100.236° ESE | 42.413° | 2025-11-01 08:02:09.598Z | 184.401° SSW |
| 5 mins | 2025-11-01 09:34:09.598Z | 323.035° NNW | 2025-11-01 09:36:09.598Z | 297.014° NW | 16.052° | 2025-11-01 09:39:09.598Z | 261.773° W |
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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