DELTA 1 DEB, 20051

Orbit data source: Space-Track

DELTA 1 DEB, 20051 is space debris in SSO originally from a launch on Thu, 29 Jul 1976 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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https://www.satcat.com/sats-embedded/20051?theme=dark&initialShowStats=false

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Identifier

20051, 1976-077FN

Orbit

SSO

Country

Related business

National Aeronautics and Space Administration (NASA) (US)

Manufacturer

Unknown

Mission

Spacecraft

Bus & Motor

Unknown

Mass

Unknown

Launch date (UTC)

1976-07-29 (50 years ago)

Launch vehicle

Unknown

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Unknown shape, 0.1 m

Radar Cross Section

Medium (>0.1 m² and <1 m²)

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Last TLE update: 3 months ago

TLE from 3 months ago

0 DELTA 1 DEB
1 20051U 76077FN  26152.37280782 -.00000008  00000-0  35113-3 0  9993
2 20051 102.5492 107.4693 0154957  58.9010  91.5359 12.14755417615930

Epoch: 2026-06-01T08:56Z

TLE epoch observation values (Epoch: 2026-06-01T08:56:50.595Z)

Latitude

27.10776°

Longitude

-90.09143°

Altitude

1,623.652 km

Speed

7.059 km/s

True Right ascension

19h 35m 55s

True Declination

26° 59' 01"

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

05:20:19

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,736.937 km

Perigee altitude

1,489.277 km

Semi-major axis

7,991.244 km

Eccentricity

0.0155

Inclination

102.5492°

RAAN

107.4693°

Arg. of periapsis

58.901°

True anomaly

93.30973°

Mean anomaly

91.5359°

Eccentric anomaly

92.42294°

Mean motion

3.03824 °/min

Orbital period

118.49 mins

BSTAR

0.00035113

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Other satellites on launch #77 in the year 1976 (1976-07-29 UTC)

DELTA 1 DEB, 40773

DELTA 1 DEB, 10761 (Decayed)

DELTA 1 DEB, 10651 (Decayed)

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DELTA 1 DEB 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.
5 mins	2026-09-13 12:59:41.401Z	338.012° N	2026-09-13 13:01:41.401Z	325.26° NNW	11.686°	2026-09-13 13:04:41.401Z	305.791° NW
11 mins	2026-09-13 18:30:41.401Z	82.624° E	2026-09-13 18:35:41.401Z	47.604° ENE	20.625°	2026-09-13 18:41:41.401Z	7.058° NNE
17 mins	2026-09-13 20:22:41.401Z	149.469° SSE	2026-09-13 20:30:41.401Z	46.151° ENE	75.327°	2026-09-13 20:39:41.401Z	344.808° N
14 mins	2026-09-13 22:20:41.401Z	217.967° SW	2026-09-13 22:26:41.401Z	261.679° W	25.863°	2026-09-13 22:34:41.401Z	318.346° NNW
14 mins	2026-09-14 08:48:41.401Z	39.765° NE	2026-09-14 08:55:41.401Z	98.499° ESE	34.641°	2026-09-14 09:02:41.401Z	156.932° SSE
16 mins	2026-09-14 10:44:41.401Z	8.156° NNE	2026-09-14 10:51:41.401Z	305.467° NW	57.016°	2026-09-14 11:00:41.401Z	221.514° SW
7 mins	2026-09-14 12:42:41.401Z	341.457° N	2026-09-14 12:45:41.401Z	321.434° NNW	14.515°	2026-09-14 12:49:41.401Z	294.174° NW

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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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Check out DELTA 1 DEB, 20051 on other resources

View DELTA 1 DEB, 20051 on Heavens-Above

View DELTA 1 DEB, 20051 on Keep Track

View DELTA 1 DEB, 20051 on Celestrak

View DELTA 1 DEB, 20051 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 DEB, 20051

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 3 months ago

TLE from 3 months ago

TLE epoch observation values (Epoch: 2026-06-01T08:56:50.595Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #77 in the year 1976 (1976-07-29 UTC)

DELTA 1 DEB Visibility forecast

Co-orbital & Co-planar RSOs

Check out DELTA 1 DEB, 20051 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 3 months ago