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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40535 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
ULA Decatur
Mission
Spacecraft
Bus & Motor
DCSS-4, RL10B-2
Mass
2,850 kg wet, 2,850 kg dry
Launch date (UTC)
Launch vehicle
Unknown
Launch site
Object type
Shape & HBR
Cyl + 1 Nozzle, 6.0 m
Radar Cross Section
43.982 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 5 days ago
TLE from 5 days ago
0 DELTA 4 R/B
1 40535U 15013B 26154.49399520 .00000034 00000-0 00000+0 0 9992
2 40535 52.6447 216.6683 0033186 67.4216 293.0175 1.92974771 78892Epoch: 2026-06-03T11:51Z
TLE epoch observation values (Epoch: 2026-06-03T11:51:21.185Z)
Latitude
-0.00005°
Longitude
146.88984°
Altitude
20,839.175 km
Speed
3.829 km/s
True Right ascension
14h 26m 43s
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
11:36:39
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
20,964.598 km
Perigee altitude
20,783.719 km
Semi-major axis
27,252.296 km
Eccentricity
0.00332
Inclination
52.6447°
RAAN
216.6683°
Arg. of periapsis
67.4216°
True anomaly
292.66693°
Mean anomaly
293.0175°
Eccentric anomaly
292.84227°
Mean motion
0.48243 °/min
Orbital period
746.22 mins
BSTAR
0
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Other satellites on launch #13 in the year 2015 (2015-03-25 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.DELTA 4 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. |
|---|---|---|---|---|---|---|---|
| 347 mins | 2026-06-08 02:36:18.450Z | 176.383° S | 2026-06-08 05:22:18.450Z | 104.832° ESE | 43.499° | 2026-06-08 08:23:18.450Z | 63.397° ENE |
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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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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