FENGYUN 1C DEB, 29940
Orbit data source: Space-Track
FENGYUN 1C DEB, 29940 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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29940 intel report (Beta)
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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 29940U 99025JN 26069.96610661 .00001081 00000-0 52347-3 0 9991
2 29940 98.6213 82.2366 0073383 204.6469 213.9073 14.19073530987391Epoch: 2026-03-10T23:11Z
TLE epoch observation values (Epoch: 2026-03-10T23:11:11.611Z)
Latitude
57.16217°
Longitude
-87.71319°
Altitude
882.065 km
Speed
7.394 km/s
True Right ascension
04h 34m 53s
True Declination
57° 00' 29"
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
17:08:02
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
878.507 km
Perigee altitude
772.78 km
Semi-major axis
7,203.78 km
Eccentricity
0.00734
Inclination
98.6213°
RAAN
82.2366°
Arg. of periapsis
204.6469°
True anomaly
213.44175°
Mean anomaly
213.9073°
Eccentric anomaly
213.67417°
Mean motion
3.54979 °/min
Orbital period
101.41 mins
BSTAR
0.00052347
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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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-03-12 12:47:47.362Z | 82.652° E | 2026-03-12 12:48:47.362Z | 102.153° ESE | 24.5° | 2026-03-12 12:51:47.362Z | 145.273° SSE |
| 7 mins | 2026-03-12 14:25:47.362Z | 343.531° N | 2026-03-12 14:28:47.362Z | 290.083° WNW | 29.869° | 2026-03-12 14:32:47.362Z | 230.896° WSW |
| 8 mins | 2026-03-13 00:07:47.362Z | 131.801° SE | 2026-03-13 00:10:47.362Z | 81.636° E | 35.29° | 2026-03-13 00:15:47.362Z | 1.681° NNE |
| 7 mins | 2026-03-13 01:48:47.362Z | 227.416° WSW | 2026-03-13 01:51:47.362Z | 269.801° W | 22.13° | 2026-03-13 01:55:47.362Z | 317.341° NNW |
| 5 mins | 2026-03-13 12:27:47.362Z | 63.038° ENE | 2026-03-13 12:29:47.362Z | 90.074° ESE | 17.544° | 2026-03-13 12:32:47.362Z | 129.369° SE |
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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