DELTA 4 R/B, 41585
Orbit data source: Space-Track
DELTA 4 R/B, 41585 is space debris in GEO originally from a launch on Sat, 11 Jun 2016 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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41585 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
ULA Decatur
Mission
Spacecraft
Bus & Motor
DCSS-5, RL10B-2
Mass
3,450 kg wet, 3,450 kg dry
Launch date (UTC)
Launch vehicle
Unknown
Launch site
Object type
Shape & HBR
Cyl + 1 Nozzle, 7.3 m
Radar Cross Section
64.942 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 2 days ago
TLE from 2 days ago
0 DELTA 4 R/B
1 41585U 16036B 26296.45741549 -.00000032 00000-0 00000-0 0 9999
2 41585 5.5835 359.4629 0231274 255.2203 102.0959 1.04078916 27064Epoch: 2026-10-23T10:58Z
TLE epoch observation values (Epoch: 2026-10-23T10:58:40.698Z)
Latitude
-0.00001°
Longitude
162.77595°
Altitude
34,975.092 km
Speed
3.096 km/s
True Right ascension
23h 57m 17s
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
05:35:00
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
35,704.325 km
Perigee altitude
33,801.809 km
Semi-major axis
41,131.204 km
Eccentricity
0.02313
Inclination
5.5835°
RAAN
359.4629°
Arg. of periapsis
255.2203°
True anomaly
104.67079°
Mean anomaly
102.0959°
Eccentric anomaly
103.38501°
Mean motion
0.26019 °/min
Orbital period
1,383.62 mins
BSTAR
0
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Other satellites on launch #36 in the year 2016 (2016-06-11 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. |
|---|---|---|---|---|---|---|---|
| 731 mins | 2026-10-25 10:20:10.989Z | 255.146° W | 2026-10-25 14:58:10.989Z | 258.241° W | 13.717° | 2026-10-25 22:31:10.989Z | 249.956° W |
| 581 mins | 2026-10-26 00:39:10.989Z | 246.243° WSW | 2026-10-26 10:20:10.989Z | 246.046° WSW | 22.095° | 2026-10-26 10:20:10.989Z | 246.046° WSW |
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41585 neighbors
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Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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