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

1 day 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, 5.8 m

Radar Cross Section

32.260 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 1 day ago

0 ATLAS 5 CENTAUR R/B
1 40731U 15033B   25198.73234961 -.00000057  00000-0  00000-0 0  9990
2 40731  54.8648 296.3303 0230661   4.1926 356.0363  1.90866757 69761

Epoch: 2025-07-17T17:34Z

TLE epoch observation values (Epoch: 2025-07-17T17:34:35.006Z)

Latitude

0°

Longitude

96.88778°

Altitude

20,442.153 km

Speed

3.899 km/s

True Right ascension

19h 45m 18s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

35.95418°

Longitude

-113.77843°

Altitude

21,476.064 km

Speed

3.756 km/s

Apparent Right ascension

04h 54m 59s

Apparent Declination

27° 27' 56"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

12:07:27

Azimuth

302.186° NW

Elevation

4.838°

Doppler factor

Orbital elements

Apogee altitude

21,707.581 km

Perigee altitude

20,441.137 km

Semi-major axis

27,452.496 km

Eccentricity

0.02307

Inclination

54.8648°

RAAN

296.3303°

Arg. of periapsis

4.1926°

True anomaly

355.84819°

Mean anomaly

356.0363°

Eccentric anomaly

355.94279°

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.
377 mins	2025-07-19 06:13:51.873Z	188.952° SSW	2025-07-19 08:57:51.873Z	112.073° ESE	44.926°	2025-07-19 12:30:51.873Z	78.316° E

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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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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