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DELTA 1 R/B, 1729

Orbit data source: Space-Track

DELTA 1 R/B, 1729 is space debris in LEO originally from a launch on Sat, 06 Nov 1965 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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Identifier
1729, 1965-089B
Orbit
LEO
Last TLE update
17 hours ago
Origin
Flag of USNational Aeronautics and Space Administration (NASA) (US)
Manufacturer
ABL
Mission
Spacecraft
Bus & Motor
ALTAIR, Unknown motor
Mass
~60 kg wet, ~60 kg dry
Launch date (UTC)
1965-11-06 (60 years ago)
Launch vehicle
Unknown
Launch site
Air Force Eastern Test Range (AFETR)
Object type
Payload
Rocket body
Debris
Shape & HBR
Cyl, 1.5 m
Radar Cross Section
0.687 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history

TLE from 17 hours ago
0 DELTA 1 R/B
1  1729U 65089B   25128.50539642 -.00000021  00000-0  31940-3 0  9993
2  1729  59.3944 203.4282 0708842 286.4093  78.0984 11.97562851602376
Epoch: 2025-05-08T12:07Z
Definitive object data (Epoch: 2025-05-08T12:07:46.25Z)
Latitude
10.78105°
Longitude
161.34656°
Altitude
1,613.957 km
Speed
7.099 km/s
True Right ascension
13h 59m 27s
True Declination
10° 43' 29"
Sunlit
Object was in full shadow at TLE epoch
Visualization TLE readout
Latitude
22.2437°
Longitude
-40.60759°
Altitude
2,059.628 km
Speed
6.718 km/s
Apparent Right ascension
00h 46m 28s
Apparent Declination
-4° 01' 35"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time
13:10:08
Azimuth
10.011° NNE
Elevation
-53.713°
Doppler factor
1
Orbital elements
Apogee altitude
2,263.171 km
Perigee altitude
1,119.197 km
Semi-major axis
8,069.321 km
Eccentricity
0.0708842
Inclination
59.3944°
RAAN
203.4282°
Arg. of periapsis
286.4093°
True anomaly
86.16753°
Mean anomaly
78.0984°
Eccentric anomaly
82.12143°
Mean motion
2.99425 °/min
BSTAR
0.0003194
Orbital period
120.23 mins
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Other satellites on launch #89 in the year 1965 (1965-11-06 UTC)
EXPLORER 29 (GEOS 1), 1726
DELTA 1 DEB, 2700
DELTA 1 DEB, 2888
DELTA 1 DEB, 27788
DELTA 1 DEB, 27789
DELTA 1 DEB, 28662
DELTA 1 DEB, 29010

DELTA 1 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.
21 mins2025-05-09 06:10:32.784Z191.573° SSW2025-05-09 06:19:32.784Z125.076° SE39.378°2025-05-09 06:31:32.784Z45.604° ENE
21 mins2025-05-09 08:16:32.784Z248.866° W2025-05-09 08:25:32.784Z318.898° NNW39.447°2025-05-09 08:37:32.784Z38.13° NE
20 mins2025-05-09 10:25:32.784Z295.32° NW2025-05-09 10:34:32.784Z348.528° N27.934°2025-05-09 10:45:32.784Z49.043° ENE
22 mins2025-05-09 12:34:32.784Z319.577° NNW2025-05-09 12:45:32.784Z24.481° NE31.572°2025-05-09 12:56:32.784Z85.733° E
23 mins2025-05-09 14:41:32.784Z321.082° NNW2025-05-09 14:53:32.784Z54.927° ENE44.395°2025-05-09 15:04:32.784Z134.037° SE
19 mins2025-05-09 16:48:32.784Z304.874° NW2025-05-09 16:58:32.784Z246.713° WSW30.55°2025-05-09 17:07:32.784Z191.331° SSW
7 mins2025-05-10 04:17:32.784Z116.146° SE2025-05-10 04:20:32.784Z98.174° ESE13.121°2025-05-10 04:24:32.784Z76.521° E

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