DELTA 4 R/B, 40535

Orbit data source: Space-Track

DELTA 4 R/B, 40535 is space debris in MEO originally from a launch on Wed, 25 Mar 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/40535?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

40535, 2015-013B

Orbit

MEO

Last TLE update

22 hours ago

Origin

United Launch Alliance/Lockheed Martin (US)

Manufacturer

ULA Decatur

Mission

2))"

Bus & Motor

DCSS-4, RL10B-2

Mass

2,850 kg wet, 2,850 kg dry

Launch date (UTC)

2015-03-25 (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, Unknown HBR

Radar Cross Section

43.982 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 22 hours ago

0 DELTA 4 R/B
1 40535U 15013B   25193.55747607  .00000070  00000-0  00000-0 0  9995
2 40535  52.7421 229.2165 0032642  62.0412 298.3672  1.92974597 72604

Epoch: 2025-07-12T13:22Z

TLE epoch observation values (Epoch: 2025-07-12T13:22:45.932Z)

Latitude

-0.00007°

Longitude

97.85049°

Altitude

20,832.253 km

Speed

3.83 km/s

True Right ascension

15h 16m 56s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

-52.34481°

Longitude

-2.10638°

Altitude

20,975.676 km

Speed

3.812 km/s

Apparent Right ascension

09h 12m 57s

Apparent Declination

-51° 12' 12"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

23:21:25

Azimuth

127.678° SE

Elevation

-65.11°

Doppler factor

Orbital elements

Apogee altitude

20,963.128 km

Perigee altitude

20,785.214 km

Semi-major axis

27,252.308 km

Eccentricity

0.00326

Inclination

52.7421°

RAAN

229.2165°

Arg. of periapsis

62.0412°

True anomaly

Unknown

Mean anomaly

298.3672°

Eccentric anomaly

Unknown

Mean motion

0.48243 °/min

Orbital period

746.22 mins

BSTAR

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Other satellites on launch #13 in the year 2015 (2015-03-25 UTC)

NAVSTAR 73 (USA 260), 40534

DELTA 4 DEB, 40597 (Decayed)

DELTA 4 DEB, 40598 (Decayed)

DELTA 4 DEB, 40599 (Decayed)

DELTA 4 DEB, 40649

DELTA 4 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.
362 mins	2025-07-14 01:30:35.169Z	182.799° SSW	2025-07-14 04:20:35.169Z	108.964° ESE	44.356°	2025-07-14 07:32:35.169Z	70.044° E

Authenticating...

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Check out DELTA 4 R/B, 40535 on other resources

View DELTA 4 R/B, 40535 on Heavens-Above

View DELTA 4 R/B, 40535 on Keep Track

View DELTA 4 R/B, 40535 on Celestrak

View DELTA 4 R/B, 40535 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.