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

5 days 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 5 days ago

0 DELTA 4 R/B
1 40535U 15013B   25184.74837659  .00000042  00000-0  00000-0 0  9992
2 40535  52.7444 229.5560 0032678  61.8865 298.5166  1.92974709 72435

Epoch: 2025-07-03T17:57Z

TLE epoch observation values (Epoch: 2025-07-03T17:57:39.737Z)

Latitude

0°

Longitude

38.14301°

Altitude

20,831.984 km

Speed

3.83 km/s

True Right ascension

15h 18m 16s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

-52.5498°

Longitude

-44.76253°

Altitude

20,968.288 km

Speed

3.813 km/s

Apparent Right ascension

09h 10m 24s

Apparent Declination

-51° 23' 28"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

19:01:05

Azimuth

231.97° WSW

Elevation

-64.934°

Doppler factor

Orbital elements

Apogee altitude

20,963.216 km

Perigee altitude

20,785.106 km

Semi-major axis

27,252.298 km

Eccentricity

0.00327

Inclination

52.7444°

RAAN

229.556°

Arg. of periapsis

61.8865°

True anomaly

Unknown

Mean anomaly

298.5166°

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.
335 mins	2025-07-08 11:39:37.364Z	301.335° NW	2025-07-08 14:31:37.364Z	258.418° W	42.58°	2025-07-08 17:14:37.364Z	189.069° SSW
105 mins	2025-07-08 23:12:37.364Z	82.837° E	2025-07-09 00:05:37.364Z	61.732° ENE	14.511°	2025-07-09 00:57:37.364Z	42.52° NE

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.