ATLAS 5 CENTAUR R/B, 40731
Orbit data source: Space-Track
ATLAS 5 CENTAUR R/B, 40731 is space debris in MEO originally from a launch on Wed, 15 Jul 2015 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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40731 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
LMSS Denver
Mission
Spacecraft
Bus & Motor
CENTAUR SEC, RL10C-1
Mass
~2,020 kg wet, 2,020 kg dry
Launch date (UTC)
Launch vehicle
Unknown
Launch site
Object type
Shape & HBR
Cyl + 1 Nozzle, 5.8 m
Radar Cross Section
32.260 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 4 days ago
TLE from 4 days ago
0 ATLAS 5 CENTAUR R/B
1 40731U 15033B 26160.65249599 -.00000050 00000-0 00000-0 0 9997
2 40731 54.5684 284.3947 0237878 11.7421 348.7982 1.90866833 76005Epoch: 2026-06-09T15:39Z
TLE epoch observation values (Epoch: 2026-06-09T15:39:35.653Z)
Latitude
-0°
Longitude
151.45643°
Altitude
20,434.717 km
Speed
3.9 km/s
True Right ascension
18h 57m 30s
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
19:51:10
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
21,727.398 km
Perigee altitude
20,421.328 km
Semi-major axis
27,452.5 km
Eccentricity
0.02379
Inclination
54.5684°
RAAN
284.3947°
Arg. of periapsis
11.7421°
True anomaly
348.25277°
Mean anomaly
348.7982°
Eccentric anomaly
348.52711°
Mean motion
0.47717 °/min
Orbital period
754.45 mins
BSTAR
0
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Other satellites on launch #33 in the year 2015 (2015-07-15 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. |
|---|---|---|---|---|---|---|---|
| 160 mins | 2026-06-13 09:24:48.486Z | 82.312° E | 2026-06-13 09:24:48.486Z | 82.312° E | 42.654° | 2026-06-13 12:04:48.486Z | 57.536° ENE |
| 99 mins | 2026-06-14 07:45:48.486Z | 189.349° SSW | 2026-06-14 09:24:48.486Z | 189.173° SSW | 39.882° | 2026-06-14 09:24:48.486Z | 189.173° SSW |
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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