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 (50 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: 3 days ago

TLE from 3 days ago

0 DELTA 1 DEB
1 28979U 76077FU  26060.83759436 -.00000026  00000-0  25318-5 0  9994
2 28979 102.0171 207.9550 0798589  99.4592 269.7477 10.95192258871696

Epoch: 2026-03-01T20:06Z

TLE epoch observation values (Epoch: 2026-03-01T20:06:08.152Z)

Latitude

0.00001°

Longitude

106.78141°

Altitude

2,246.899 km

Speed

6.776 km/s

True Right ascension

13h 51m 49s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow 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

12:55:15

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

2,868.725 km

Perigee altitude

1,501.057 km

Semi-major axis

8,563.028 km

Eccentricity

0.07986

Inclination

102.0171°

RAAN

207.955°

Arg. of periapsis

99.4592°

True anomaly

260.63916°

Mean anomaly

269.7477°

Eccentric anomaly

265.18825°

Mean motion

2.73906 °/min

Orbital period

131.43 mins

BSTAR

0.0000025318

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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.
18 mins	2026-03-04 09:33:09.416Z	165.626° S	2026-03-04 09:43:09.416Z	264.402° W	44.469°	2026-03-04 09:51:09.416Z	339.496° N
6 mins	2026-03-04 11:50:09.416Z	251.959° W	2026-03-04 11:53:09.416Z	271.019° WNW	13.038°	2026-03-04 11:56:09.416Z	290.772° WNW
13 mins	2026-03-04 21:08:09.416Z	52.453° ENE	2026-03-04 21:13:09.416Z	94.475° ESE	23.772°	2026-03-04 21:21:09.416Z	149.55° SSE
16 mins	2026-03-04 23:16:09.416Z	8.418° NNE	2026-03-04 23:23:09.416Z	279.009° WNW	41.75°	2026-03-04 23:32:09.416Z	215.416° SW
4 mins	2026-03-05 01:28:09.416Z	328.299° NNW	2026-03-05 01:30:09.416Z	313.713° NW	12.041°	2026-03-05 01:32:09.416Z	299.681° NW
12 mins	2026-03-05 07:35:09.416Z	100.734° ESE	2026-03-05 07:41:09.416Z	57.793° ENE	23.509°	2026-03-05 07:47:09.416Z	8.591° NNE

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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: 3 days ago

TLE from 3 days ago

TLE epoch observation values (Epoch: 2026-03-01T20:06:08.152Z)

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: 3 days ago