CZ-4B R/B, 25942
Orbit data source: Space-Track
CZ-4B R/B, 25942 is space debris in SSO originally from a launch on Thu, 14 Oct 1999 UTC launched from the Taiyaun Space Center, China (TSC). 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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25942 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
CN / PRCRelated business
Manufacturer
SAST
Mission
Spacecraft
Bus & Motor
CZ-4 STAGE 3, Unknown motor
Mass
~1,000 kg wet, ~1,000 kg dry
Launch date (UTC)
Launch vehicle
Unknown
Launch site
Object type
Shape & HBR
Cyl, 2.5 m
Radar Cross Section
14.536 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 9 hours ago
TLE from 9 hours ago
0 CZ-4B R/B
1 25942U 99057C 25291.88239525 .00000663 00000-0 22232-3 0 9992
2 25942 98.7594 334.9066 0095497 211.9085 147.6296 14.38175213360905Epoch: 2025-10-18T21:10Z
TLE epoch observation values (Epoch: 2025-10-18T21:10:38.949Z)
Latitude
0.00002°
Longitude
-10.36273°
Altitude
825.279 km
Speed
7.41 km/s
True Right ascension
22h 19m 37s
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
01:18:17
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
829.853 km
Perigee altitude
693.487 km
Semi-major axis
7,139.807 km
Eccentricity
0.00955
Inclination
98.7594°
RAAN
334.9066°
Arg. of periapsis
211.9085°
True anomaly
148.20963°
Mean anomaly
147.6296°
Eccentric anomaly
147.9202°
Mean motion
3.5976 °/min
Orbital period
100.07 mins
BSTAR
0.00022232
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Other satellites on launch #57 in the year 1999 (1999-10-14 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-4B R/B 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. |
|---|---|---|---|---|---|---|---|
| 8 mins | 2025-10-19 16:07:48.553Z | 6.678° NNE | 2025-10-19 16:11:48.553Z | 280.23° WNW | 42.926° | 2025-10-19 16:15:48.553Z | 205.594° SW |
| 6 mins | 2025-10-20 01:43:48.553Z | 100.637° ESE | 2025-10-20 01:46:48.553Z | 60.769° ENE | 19.412° | 2025-10-20 01:49:48.553Z | 22.877° NE |
| 8 mins | 2025-10-20 03:21:48.553Z | 190.361° SSW | 2025-10-20 03:24:48.553Z | 245.72° WSW | 38.6° | 2025-10-20 03:29:48.553Z | 334.919° 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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