DELTA 4 R/B, 41746
Orbit data source: Space-Track
DELTA 4 R/B, 41746 is space debris in GEO originally from a launch on Fri, 19 Aug 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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41746 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, 6.3 m
Radar Cross Section
43.982 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 1 day ago
TLE from 1 day ago
0 DELTA 4 R/B
1 41746U 16052C 26285.76107446 -.00000212 00000-0 00000-0 0 9990
2 41746 8.9875 56.7600 0004912 333.1457 26.8295 0.98993313 26844Epoch: 2026-10-12T18:15Z
TLE epoch observation values (Epoch: 2026-10-12T18:15:56.833Z)
Latitude
-0.00001°
Longitude
121.41351°
Altitude
36,129.64 km
Speed
3.063 km/s
True Right ascension
03h 46m 56s
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
19:51:12
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
36,170.762 km
Perigee altitude
36,128.983 km
Semi-major axis
42,528.01 km
Eccentricity
0.00049
Inclination
8.9875°
RAAN
56.76°
Arg. of periapsis
333.1457°
True anomaly
26.85492°
Mean anomaly
26.8295°
Eccentric anomaly
26.84221°
Mean motion
0.24747 °/min
Orbital period
1,454.69 mins
BSTAR
0
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Other satellites on launch #52 in the year 2016 (2016-08-19 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
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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. |
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| DELTA 4 R/B is likely not visible in the next few days. |
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41746 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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Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in descending order |
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