ATLAS 5 CENTAUR R/B, 66455
Orbit data source: Space-Track
ATLAS 5 CENTAUR R/B, 66455 is space debris in MEO originally from a launch on Thu, 13 Nov 2025 UTC launched from the Air Force Eastern Test Range (AFETR). 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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66455 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
ULA Decatur
Mission
Spacecraft
Bus & Motor
CENTAUR SEC, RL10A-4-2
Mass
~2,020 kg wet, 2,020 kg dry
Launch date (UTC)
Launch vehicle
Unknown
Launch site
Object type
Shape & HBR
Cyl + 1 Nozzle, 8.0 m
Radar Cross Section
32.260 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 14 hours ago
TLE from 14 hours ago
0 ATLAS 5 CENTAUR R/B
1 66455U 25261B 26171.40025299 -.00000074 00000-0 00000+0 0 9991
2 66455 5.9035 272.2250 2323209 225.0283 115.1414 2.28261137 4983Epoch: 2026-06-20T09:36Z
TLE epoch observation values (Epoch: 2026-06-20T09:36:21.858Z)
Latitude
0.10576°
Longitude
-139.36806°
Altitude
21,314.471 km
Speed
3.526 km/s
True Right ascension
18h 13m 21s
True Declination
0° 06' 20"
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
10:18:55
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
23,650.738 km
Perigee altitude
12,328.468 km
Semi-major axis
24,367.74 km
Eccentricity
0.23232
Inclination
5.9035°
RAAN
272.225°
Arg. of periapsis
225.0283°
True anomaly
136.11682°
Mean anomaly
115.1414°
Eccentric anomaly
125.92101°
Mean motion
0.57058 °/min
Orbital period
630.93 mins
BSTAR
0
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Other satellites on launch #261 in the year 2025 (2025-11-13 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.ATLAS 5 CENTAUR 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. |
|---|---|---|---|---|---|---|---|
| 460 mins | 2026-06-21 04:04:40.311Z | 232.254° WSW | 2026-06-21 07:21:40.311Z | 154.593° SSE | 32.471° | 2026-06-21 11:44:40.311Z | 106.506° ESE |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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