CZ-4C R/B, 57491
Orbit data source: Space-Track
CZ-4C R/B, 57491 is space debris in SSO originally from a launch on Thu, 03 Aug 2023 UTC launched from the Jiuquan Satellite Launch Center, China (JSC). 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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57491 intel report (Beta)
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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: 2 days ago
TLE from 2 days ago
0 CZ-4C R/B
1 57491U 23111B 26171.37736257 .00000310 00000-0 71652-4 0 9990
2 57491 98.8247 310.0036 0137666 77.8949 283.7633 14.57263915153130Epoch: 2026-06-20T09:03Z
TLE epoch observation values (Epoch: 2026-06-20T09:03:24.126Z)
Latitude
-0.00006°
Longitude
-94.43977°
Altitude
683.063 km
Speed
7.527 km/s
True Right ascension
20h 40m 00s
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
21:29:52
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
796.566 km
Perigee altitude
601.706 km
Semi-major axis
7,077.273 km
Eccentricity
0.01377
Inclination
98.8247°
RAAN
310.0036°
Arg. of periapsis
77.8949°
True anomaly
282.22495°
Mean anomaly
283.7633°
Eccentric anomaly
282.99473°
Mean motion
3.64539 °/min
Orbital period
98.75 mins
BSTAR
0.000071652
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Other satellites on launch #111 in the year 2023 (2023-08-03 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-4C 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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-06-22 22:35:51.143Z | 357.295° N | 2026-06-22 22:38:51.143Z | 286.688° WNW | 38.173° | 2026-06-22 22:42:51.143Z | 213.682° SW |
| 6 mins | 2026-06-23 09:41:51.143Z | 197.744° SSW | 2026-06-23 09:44:51.143Z | 279.289° WNW | 33.46° | 2026-06-23 09:47:51.143Z | 329.401° 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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