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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Iframe URL

https://www.satcat.com/sats-embedded/40731?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

40731, 2015-033B

Orbit

MEO

Last TLE update

17 hours ago

Origin

United Launch Alliance/Lockheed Martin (US)

Manufacturer

LMSS Denver

Mission

Spacecraft

Bus & Motor

CENTAUR SEC, RL10C-1

Mass

~2,020 kg wet, 2,020 kg dry

Launch date (UTC)

2015-07-15 (10 years ago)

Launch vehicle

Unknown

Launch site

Air Force Eastern Test Range (AFETR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cyl + 1 Nozzle, 11.7 m

Radar Cross Section

32.260 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 17 hours ago

0 ATLAS 5 CENTAUR R/B
1 40731U 15033B   25191.39758709 -.00000043  00000-0  00000-0 0  9991
2 40731  54.8720 296.5972 0230611   4.0837 356.1318  1.90867057 69621

Epoch: 2025-07-10T09:32Z

TLE epoch observation values (Epoch: 2025-07-10T09:32:31.524Z)

Latitude

-0.00003°

Longitude

-135.10879°

Altitude

20,442.125 km

Speed

3.899 km/s

True Right ascension

19h 46m 20s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

43.67564°

Longitude

2.78884°

Altitude

21,369.865 km

Speed

3.771 km/s

Apparent Right ascension

04h 30m 46s

Apparent Declination

31° 53' 15"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

14:34:49

Azimuth

334.984° NNW

Elevation

-13.338°

Doppler factor

Orbital elements

Apogee altitude

21,707.414 km

Perigee altitude

20,441.245 km

Semi-major axis

27,452.467 km

Eccentricity

0.02306

Inclination

54.872°

RAAN

296.5972°

Arg. of periapsis

4.0837°

True anomaly

Unknown

Mean anomaly

356.1318°

Eccentric anomaly

Unknown

Mean motion

0.47717 °/min

Orbital period

754.45 mins

BSTAR

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Other satellites on launch #33 in the year 2015 (2015-07-15 UTC)

NAVSTAR 74 (USA 262), 40730

ATLAS 5 CENTAUR R/B Visibility forecast

Observer location: undefined°, undefined°

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.
441 mins	2025-07-11 10:21:17.382Z	234.907° WSW	2025-07-11 14:00:17.382Z	12.068° NNE	43.393°	2025-07-11 17:42:17.382Z	139.753° SSE

Authenticating...

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Check out ATLAS 5 CENTAUR R/B, 40731 on other resources

View ATLAS 5 CENTAUR R/B, 40731 on Heavens-Above

View ATLAS 5 CENTAUR R/B, 40731 on Keep Track

View ATLAS 5 CENTAUR R/B, 40731 on Celestrak

View ATLAS 5 CENTAUR R/B, 40731 on Gunter's Space Page

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