THOR AGENA D R/B, 2255

Orbit data source: Space-Track

THOR AGENA D R/B, 2255 is space debris in LEO originally from a launch on Fri, 24 Jun 1966 UTC launched from the Air Force Western Test Range (AFWTR). 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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Identifier
2255, 1966-056B
Orbit
LEO
Last TLE update
6 hours ago
Origin
Manufacturer
LMSC
Mission
Spacecraft
Bus & Motor
AGENA D, Unknown motor
Mass
600 kg wet, 600 kg dry
Launch date (UTC)
1966-06-24 (59 years ago)
Launch vehicle
Unknown
Launch site
Air Force Western Test Range (AFWTR)
Object type
Payload
Rocket body
Debris
Shape & HBR
Cyl + 1 Nozzle, 6.3 m
Radar Cross Section
8.306 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 6 hours ago
0 THOR AGENA D R/B
1  2255U 66056B   25186.46696869  .00000004  00000-0  21445-2 0  9995
2  2255  86.9583 209.6982 0048323  25.3798 334.9370  7.94757165713107
Epoch: 2025-07-05T11:12Z
TLE epoch observation values (Epoch: 2025-07-05T11:12:26.094Z)
Latitude
0.00004°
Longitude
117.88488°
Altitude
4,184.204 km
Speed
6.157 km/s
True Right ascension
13h 58m 47s
True Declination
0° 00' 00"
Sunlit
Object was in daylight at epoch
Visualization orbit readout
Latitude
-45.68874°
Longitude
114.75534°
Altitude
4,228.703 km
Speed
6.136 km/s
Apparent Right ascension
14h 57m 18s
Apparent Declination
-45° 34' 12"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time
04:47:20
Azimuth
114.786° SE
Elevation
-69.138°
Doppler factor
1
Orbital elements
Apogee altitude
4,277.721 km
Perigee altitude
4,175.232 km
Semi-major axis
10,604.614 km
Eccentricity
0.00483
Inclination
86.9583°
RAAN
209.6982°
Arg. of periapsis
25.3798°
True anomaly
Unknown
Mean anomaly
334.937°
Eccentric anomaly
Unknown
Mean motion
1.98747 °/min
Orbital period
181.13 mins
BSTAR
0.0021445
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THOR AGENA D 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.
32 mins2025-07-05 23:25:03.770Z113.394° SE2025-07-05 23:41:03.770Z61.827° ENE26.415°2025-07-05 23:57:03.770Z11.668° NNE
42 mins2025-07-06 02:18:03.770Z186.298° SSW2025-07-06 02:39:03.770Z283.901° WNW44.25°2025-07-06 03:00:03.770Z1.736° NNE
24 mins2025-07-06 05:36:03.770Z276.651° WNW2025-07-06 05:47:03.770Z310.769° NW16.746°2025-07-06 06:00:03.770Z350.339° N
41 mins2025-07-06 12:12:03.770Z2.574° NNE2025-07-06 12:32:03.770Z80.913° E39.402°2025-07-06 12:53:03.770Z155.23° SSE
37 mins2025-07-06 15:14:03.770Z350.247° N2025-07-06 15:32:03.770Z287.806° WNW35.459°2025-07-06 15:51:03.770Z224.025° SW
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