TITAN 3C TRANSTAGE R/B, 8516
Orbit data source: Space-Track
TITAN 3C TRANSTAGE R/B, 8516 is space debris in GEO originally from a launch on Sun, 14 Dec 1975 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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8516 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
Martin Marietta
Mission
Spacecraft
Bus & Motor
TRANSTAGE, Unknown motor
Mass
~1,950 kg wet, ~1,950 kg dry
Launch date (UTC)
Launch vehicle
Unknown
Launch site
Object type
Shape & HBR
Cyl + 2 Nozzle, 2.3 m
Radar Cross Section
14.974 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 2 days ago
TLE from 2 days ago
0 TITAN 3C TRANSTAGE R/B
1 08516U 75118C 25237.18677930 .00000051 00000-0 00000-0 0 9998
2 08516 3.0331 265.3185 0012663 209.9725 149.6541 1.00548030 22807Epoch: 2025-08-25T04:28Z
TLE epoch observation values (Epoch: 2025-08-25T04:28:57.731Z)
Latitude
-0.00001°
Longitude
-135.90027°
Altitude
35,754.774 km
Speed
3.074 km/s
True Right ascension
17h 40m 08s
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
13:16:26
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
35,763.695 km
Perigee altitude
35,657.102 km
Semi-major axis
42,088.536 km
Eccentricity
0.00127
Inclination
3.0331°
RAAN
265.3185°
Arg. of periapsis
209.9725°
True anomaly
149.72731°
Mean anomaly
149.6541°
Eccentric anomaly
149.69072°
Mean motion
0.25136 °/min
Orbital period
1,432.2 mins
BSTAR
0
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Other satellites on launch #118 in the year 1975 (1975-12-14 UTC)
TITAN 3C TRANSTAGE 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. |
|---|---|---|---|---|---|---|---|
| 1440 mins | 2025-08-26 21:55:19.226Z | 218.918° SW | 2025-08-27 10:22:19.226Z | 222.66° SW | 31.62° | 2025-08-27 21:55:19.226Z | 217.773° SW |
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8516 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
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Event ID | Pc | Md | Secondary | Secondary name | Country | Click to unsort rows by TCA header |
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