DELTA 1 DEB, 28979

Orbit data source: Space-Track

DELTA 1 DEB, 28979 is space debris in LEO 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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Iframe URL

https://www.satcat.com/sats-embedded/28979?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

28979, 1976-077FU

Orbit

LEO

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 (49 years ago)

Launch vehicle

Unknown

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Unknown shape, 1.1 m

Radar Cross Section

Small (<0.1 m²)

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Last TLE update: 6 days ago

TLE from 6 days ago

0 DELTA 1 DEB
1 28979U 76077FU  25351.93991982 -.00000123  00000-0 -20748-2 0  9999
2 28979 102.0013 152.7109 0804869 203.4651 152.7577 10.95202133863608

Epoch: 2025-12-17T22:33Z

TLE epoch observation values (Epoch: 2025-12-17T22:33:29.072Z)

Latitude

-0.00001°

Longitude

87.53719°

Altitude

2,812.928 km

Speed

6.342 km/s

True Right ascension

10h 10m 50s

True Declination

0° 00' 00"

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

12:01:44

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

2,874.046 km

Perigee altitude

1,495.631 km

Semi-major axis

8,562.975 km

Eccentricity

0.08049

Inclination

102.0013°

RAAN

152.7109°

Arg. of periapsis

203.4651°

True anomaly

156.62908°

Mean anomaly

152.7577°

Eccentric anomaly

154.72655°

Mean motion

2.73909 °/min

Orbital period

131.43 mins

BSTAR

-0.0020748

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

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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.
12 mins	2025-12-23 21:51:56.111Z	44.336° NE	2025-12-23 21:58:56.111Z	89.188° E	18.201°	2025-12-23 22:03:56.111Z	125.725° SE
17 mins	2025-12-23 23:59:56.111Z	15.574° NNE	2025-12-24 00:08:56.111Z	305.661° NW	44.675°	2025-12-24 00:16:56.111Z	205.664° SW
12 mins	2025-12-24 02:09:56.111Z	353.217° N	2025-12-24 02:15:56.111Z	315.866° NNW	19.564°	2025-12-24 02:21:56.111Z	275.528° WNW
20 mins	2025-12-24 08:13:56.111Z	95.853° ESE	2025-12-24 08:23:56.111Z	47.414° ENE	26.474°	2025-12-24 08:33:56.111Z	357.039° N
28 mins	2025-12-24 10:15:56.111Z	155.233° SSE	2025-12-24 10:29:56.111Z	99.71° ESE	44.9°	2025-12-24 10:43:56.111Z	343.523° N
22 mins	2025-12-24 12:28:56.111Z	217.212° SW	2025-12-24 12:39:56.111Z	270.14° WNW	26.158°	2025-12-24 12:50:56.111Z	322.94° NNW

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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 DEB, 28979 on other resources

View DELTA 1 DEB, 28979 on Heavens-Above

View DELTA 1 DEB, 28979 on Keep Track

View DELTA 1 DEB, 28979 on Celestrak

View DELTA 1 DEB, 28979 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, 28979

Orbit data source: Space-Track

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

TLE from 6 days ago

TLE epoch observation values (Epoch: 2025-12-17T22:33:29.072Z)

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, 28979 on other resources

Documentation

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