CZ-11 DEB, 66377
Orbit data source: Space-Track
CZ-11 DEB, 66377 is space debris in LEO originally from a launch on Sat, 08 Nov 2025 UTC launched from the Yellow Sea Launch Area, China (YSLA). Debris objects in space refer to the collection of defunct objects orbiting the Earth. Examples of debris include non-operational satellites, rocket bodies, and fragments generated from explosions, collisions, or faulty payload assembly.
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66377 intel report (Beta)
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Identifier
Orbit
Country
CN / PRCRelated business
Manufacturer
CALT
Mission
Spacecraft
Bus & Motor
CZ-11-4, Unknown motor
Mass
500 kg wet, 500 kg dry
Launch date (UTC)
Launch vehicle
Unknown
Launch site
Object type
Shape & HBR
Cyl, 1.1 m
Radar Cross Section
2.651 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 1 day ago
TLE from 1 day ago
0 CZ-11 DEB
1 66377U 25255B 26170.70427803 .00074866 00000-0 72203-3 0 9993
2 66377 52.9902 344.6588 0009011 283.3639 76.6370 15.65803449 34596Epoch: 2026-06-19T16:54Z
TLE epoch observation values (Epoch: 2026-06-19T16:54:09.621Z)
Latitude
-0.00005°
Longitude
-176.81076°
Altitude
370.424 km
Speed
7.689 km/s
True Right ascension
22h 58m 38s
True Declination
0° 00' 00"
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
07:17:54
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
377.299 km
Perigee altitude
365.135 km
Semi-major axis
6,749.354 km
Eccentricity
0.0009
Inclination
52.9902°
RAAN
344.6588°
Arg. of periapsis
283.3639°
True anomaly
76.73749°
Mean anomaly
76.637°
Eccentric anomaly
76.68724°
Mean motion
3.91426 °/min
Orbital period
91.97 mins
BSTAR
0.00072203
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Other satellites on launch #255 in the year 2025 (2025-11-08 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.CZ-11 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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-06-20 20:58:09.009Z | 311.42° NW | 2026-06-20 21:01:09.009Z | 117.884° SE | 41.076° | 2026-06-20 21:03:09.009Z | 127.833° SE |
| 4 mins | 2026-06-21 13:30:09.009Z | 198.897° SSW | 2026-06-21 13:32:09.009Z | 124.71° SE | 33.437° | 2026-06-21 13:34:09.009Z | 68.194° E |
| 4 mins | 2026-06-21 19:56:09.009Z | 344.908° N | 2026-06-21 19:57:09.009Z | 15.81° NNE | 27.121° | 2026-06-21 20:00:09.009Z | 97.367° ESE |
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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