DELTA 4 R/B, 29156
Orbit data source: Space-Track
DELTA 4 R/B, 29156 is space debris in HEO originally from a launch on Wed, 24 May 2006 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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29156 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, Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 2 weeks ago
TLE from 2 weeks ago
0 DELTA 4 R/B
1 29156U 06018B 26261.01341462 -.00000024 00000-0 00000+0 0 9992
2 29156 11.9639 255.9613 5252455 55.7054 73.5762 1.93076182143262Epoch: 2026-09-18T00:19Z
TLE epoch observation values (Epoch: 2026-09-18T00:19:19.023Z)
Latitude
-1.63462°
Longitude
81.81726°
Altitude
24,033.51 km
Speed
3.403 km/s
True Right ascension
05h 34m 21s
True Declination
-1° 37' 56"
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
19:57:34
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
35,177.364 km
Perigee altitude
6,556.608 km
Semi-major axis
27,245.123 km
Eccentricity
0.52525
Inclination
11.9639°
RAAN
255.9613°
Arg. of periapsis
55.7054°
True anomaly
132.06978°
Mean anomaly
73.5762°
Eccentric anomaly
102.90985°
Mean motion
0.48263 °/min
Orbital period
745.92 mins
BSTAR
0
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Other satellites on launch #18 in the year 2006 (2006-05-24 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. |
|---|---|---|---|---|---|---|---|
| 685 mins | 2026-09-30 08:22:37.725Z | 250.946° W | 2026-09-30 09:08:37.725Z | 184.519° SSW | 42.699° | 2026-09-30 19:47:37.725Z | 125.729° SE |
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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