DELTA 1 DEB, 9979

Orbit data source: Space-Track

DELTA 1 DEB, 9979 is space debris in LEO originally from a launch on Tue, 06 Nov 1973 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/9979?theme=dark&initialShowStats=false

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ISO8601 Format

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ISO8601 Format

Identifier

9979, 1973-086GJ

Orbit

LEO

Country

Related business

National Aeronautics and Space Administration (NASA) (US)

Manufacturer

Unknown

Mission

Spacecraft

Bus & Motor

Unknown

Mass

Unknown

Launch date (UTC)

1973-11-06 (52 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

Small (<0.1 m²)

Expand to show TLE details & history
Last TLE update: 12 hours ago

TLE from 12 hours ago

0 DELTA 1 DEB
1  9979U 73086GJ  26034.31471623 -.00000010  00000-0  35152-3 0  9991
2  9979 101.9380 336.9769 0589498 186.8856 332.1179 11.50736941504514

Epoch: 2026-02-03T07:33Z

TLE epoch observation values (Epoch: 2026-02-03T07:33:11.482Z)

Latitude

23.83739°

Longitude

-84.48487°

Altitude

1,486.66 km

Speed

7.303 km/s

True Right ascension

10h 49m 14s

True Declination

23° 43' 20"

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

21:09:37

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

2,395.334 km

Perigee altitude

1,418.528 km

Semi-major axis

8,285.068 km

Eccentricity

0.05895

Inclination

101.938°

RAAN

336.9769°

Arg. of periapsis

186.8856°

True anomaly

328.74137°

Mean anomaly

332.1179°

Eccentric anomaly

330.45225°

Mean motion

2.87805 °/min

Orbital period

125.08 mins

BSTAR

0.00035152

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Other satellites on launch #86 in the year 1973 (1973-11-06 UTC)

NOAA 3, 6920

DELTA 1 DEB, 7488 (Decayed)

DELTA 1 DEB, 18511 (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.
22 mins	2026-02-03 19:14:11.295Z	145.552° SSE	2026-02-03 19:25:11.295Z	72.728° E	43.389°	2026-02-03 19:36:11.295Z	347.04° N
20 mins	2026-02-03 21:18:11.295Z	205.585° SW	2026-02-03 21:28:11.295Z	263.713° W	29.912°	2026-02-03 21:38:11.295Z	324.568° NNW
15 mins	2026-02-04 08:23:11.295Z	28.78° NE	2026-02-04 08:31:11.295Z	110.326° ESE	38.243°	2026-02-04 08:38:11.295Z	175.201° S
14 mins	2026-02-04 10:26:11.295Z	359.961° N	2026-02-04 10:33:11.295Z	302.274° NW	29.953°	2026-02-04 10:40:11.295Z	243.278° WSW
19 mins	2026-02-04 18:15:11.295Z	114.882° SE	2026-02-04 18:24:11.295Z	60.16° ENE	32.644°	2026-02-04 18:34:11.295Z	355.541° N

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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, 9979 on other resources

View DELTA 1 DEB, 9979 on Heavens-Above

View DELTA 1 DEB, 9979 on Keep Track

View DELTA 1 DEB, 9979 on Celestrak

View DELTA 1 DEB, 9979 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, 9979

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 12 hours ago

TLE from 12 hours ago

TLE epoch observation values (Epoch: 2026-02-03T07:33:11.482Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #86 in the year 1973 (1973-11-06 UTC)

DELTA 1 DEB Visibility forecast

Co-orbital & Co-planar RSOs

Check out DELTA 1 DEB, 9979 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 12 hours ago