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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 update4 hours ago
Origin
Flag of USGSFC (US)
ManufacturerABL
MissionSpacecraft
Bus & MotorALTAIR, Unknown motor
Mass~60 kg wet, ~60 kg dry
Launch date (UTC)
1965-11-06 (59 years ago)
Launch vehicleUnknown
Launch site
Air Force Eastern Test Range (AFETR)
Object type
Payload
Rocket body
Debris
Shape & HBRCyl, 1.5 m
Radar Cross Section0.687 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history

TLE from 4 hours ago
0 DELTA 1 R/B
1  1729U 65089B   25084.84026076 -.00000043  00000-0  18365-3 0  9993
2  1729  59.3954 301.6220 0709101 257.7409 108.4550 11.97558799597142
Epoch: 2025-03-25T20:09Z
Definitive object data (Epoch: 2025-03-25T20:09:58.529Z)
Latitude11.72096°
Longitude-177.39211°
Altitude1,908.739 km
Speed6.844 km/s
True Right ascension20h 34m 33s
True Declination11° 39' 44"
Sunlit
Object was in daylight at TLE epoch
Visualization TLE readout
Latitude37.50529°
Longitude-157.93419°
Altitude2,162.915 km
Speed6.635 km/s
Apparent Right ascension20h 07m 18s
Apparent Declination6° 21' 09"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time05:36:10
Azimuth314.04° NW
Elevation-32.103°
Doppler factor1
Orbital elements
Apogee altitude2,263.4 km
Perigee altitude1,119.004 km
Semi-major axis8,069.339 km
Eccentricity0.0709101
Inclination59.3954°
RAAN301.622°
Arg. of periapsis257.7409°
True anomaly115.93103°
Mean anomaly108.455°
Eccentric anomaly112.21624°
Mean motion2.99424 °/min
BSTAR0.00018365
Orbital period120.23 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.
22 mins2025-03-26 00:42:48.772Z319.163° NNW2025-03-26 00:54:48.772Z217.606° SW44.986°2025-03-26 01:04:48.772Z144.134° SSE
15 mins2025-03-26 02:50:48.772Z298.787° NW2025-03-26 02:58:48.772Z252.968° W22.719°2025-03-26 03:05:48.772Z207.442° SW
15 mins2025-03-26 14:13:48.772Z143.143° SSE2025-03-26 14:20:48.772Z101.245° ESE21.274°2025-03-26 14:28:48.772Z61.141° ENE
23 mins2025-03-26 16:13:48.772Z209.687° SW2025-03-26 16:23:48.772Z144.583° SSE44.575°2025-03-26 16:36:48.772Z41.786° NE
22 mins2025-03-26 18:20:48.772Z262.997° W2025-03-26 18:31:48.772Z335.413° NNW35.286°2025-03-26 18:42:48.772Z38.621° NE
20 mins2025-03-26 20:31:48.772Z306.344° NW2025-03-26 20:40:48.772Z356.081° N27.424°2025-03-26 20:51:48.772Z57.804° ENE
22 mins2025-03-26 22:39:48.772Z321.359° NNW2025-03-26 22:50:48.772Z25.273° NE35.109°2025-03-26 23:01:48.772Z99.277° ESE

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