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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Iframe URL

https://www.satcat.com/sats-embedded/1729?theme=dark&initialShowStats=false

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Identifier

1729, 1965-089B

Orbit

LEO

Country

Related business

National 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

Unknown

Radar Cross Section

Medium (>0.1 m² and <1 m²)

Expand to show TLE details & history
Last TLE update: 6 hours ago

TLE from 6 hours ago

0 DELTA 1 R/B
1 01729U 65089B   26099.31909220 -.00000089  00000-0 -79859-4 0  9990
2 01729  59.3891 168.0702 0715992 145.1878 291.1707 11.97572804642178

Epoch: 2026-04-09T07:39Z

TLE epoch observation values (Epoch: 2026-04-09T07:39:29.566Z)

Latitude

53.31216°

Longitude

-92.16458°

Altitude

1,527.67 km

Speed

7.183 km/s

True Right ascension

14h 41m 06s

True Declination

53° 09' 48"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

19:51:54

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

2,268.894 km

Perigee altitude

1,113.386 km

Semi-major axis

8,069.277 km

Eccentricity

0.0716

Inclination

59.3891°

RAAN

168.0702°

Arg. of periapsis

145.1878°

True anomaly

283.2896°

Mean anomaly

291.1707°

Eccentric anomaly

287.25295°

Mean motion

2.99427 °/min

Orbital period

120.23 mins

BSTAR

-0.000079859

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Other satellites on launch #89 in the year 1965 (1965-11-06 UTC)

DELTA 1 DEB, 2700

DELTA 1 DEB, 2888

EXPLORER 29 (GEOS 1), 1726

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DELTA 1 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.
13 mins	2026-04-09 13:50:06.465Z	328.47° NNW	2026-04-09 13:57:06.465Z	46.894° ENE	34.781°	2026-04-09 14:03:06.465Z	109.773° ESE
11 mins	2026-04-09 15:56:06.465Z	302.697° NW	2026-04-09 16:01:06.465Z	247.643° W	32.248°	2026-04-09 16:07:06.465Z	176.972° S
18 mins	2026-04-10 05:23:06.465Z	182.31° SSW	2026-04-10 05:32:06.465Z	123.242° SE	34.757°	2026-04-10 05:41:06.465Z	52.314° ENE
18 mins	2026-04-10 07:28:06.465Z	238.904° WSW	2026-04-10 07:38:06.465Z	327.324° NNW	40.693°	2026-04-10 07:46:06.465Z	35.123° NE
11 mins	2026-04-10 09:39:06.465Z	297.741° NW	2026-04-10 09:45:06.465Z	344.433° N	21.955°	2026-04-10 09:50:06.465Z	26.949° NE
9 mins	2026-04-10 11:49:06.465Z	336.492° NNW	2026-04-10 11:53:06.465Z	11.713° NNE	19.442°	2026-04-10 11:58:06.465Z	57.371° ENE

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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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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

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Check out DELTA 1 R/B, 1729 on other resources

View DELTA 1 R/B, 1729 on Heavens-Above

View DELTA 1 R/B, 1729 on Keep Track

View DELTA 1 R/B, 1729 on Celestrak

View DELTA 1 R/B, 1729 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

DELTA 1 R/B, 1729

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 6 hours ago

TLE from 6 hours ago

TLE epoch observation values (Epoch: 2026-04-09T07:39:29.566Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #89 in the year 1965 (1965-11-06 UTC)

DELTA 1 R/B Visibility forecast

Co-orbital & Co-planar RSOs

Check out DELTA 1 R/B, 1729 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 6 hours ago