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 (53 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: 1 day ago

TLE from 1 day ago

0 DELTA 1 DEB
1 09979U 73086GJ  26260.22437618 -.00000433  00000-0 -59052-2 0  9992
2 09979 101.9303 164.4159 0584386 190.0835 328.6098 11.50893447530504

Epoch: 2026-09-17T05:23Z

TLE epoch observation values (Epoch: 2026-09-17T05:23:06.101Z)

Latitude

24.47427°

Longitude

-87.03264°

Altitude

1,505.898 km

Speed

7.285 km/s

True Right ascension

23h 19m 37s

True Declination

24° 21' 26"

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

23:23:30

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

2,390.303 km

Perigee altitude

1,422.055 km

Semi-major axis

8,284.316 km

Eccentricity

0.05844

Inclination

101.9303°

RAAN

164.4159°

Arg. of periapsis

190.0835°

True anomaly

324.89313°

Mean anomaly

328.6098°

Eccentric anomaly

326.77519°

Mean motion

2.87845 °/min

Orbital period

125.07 mins

BSTAR

-0.0059052

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

DELTA 1 DEB, 42590

DELTA 1 DEB, 7487 (Decayed)

DELTA 1 DEB, 7199 (Decayed)

DELTA 1 DEB, 7087 (Decayed)

DELTA 1 DEB, 42575

DELTA 1 DEB, 7197 (Decayed)

DELTA 1 DEB, 9977

DELTA 1 DEB, 9975

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.
14 mins	2026-09-18 08:15:10.680Z	0.606° NNE	2026-09-18 08:22:10.680Z	310.235° NW	31.41°	2026-09-18 08:29:10.680Z	250.613° W
5 mins	2026-09-18 14:12:10.680Z	47.294° ENE	2026-09-18 14:14:10.680Z	36.911° NE	12.214°	2026-09-18 14:17:10.680Z	20.93° NNE
21 mins	2026-09-18 16:03:10.680Z	122.059° SE	2026-09-18 16:14:10.680Z	53.533° ENE	44.073°	2026-09-18 16:24:10.680Z	353.164° N
23 mins	2026-09-18 18:04:10.680Z	179.605° S	2026-09-18 18:15:10.680Z	249.391° W	60.735°	2026-09-18 18:27:10.680Z	336.125° NNW
6 mins	2026-09-18 20:17:10.680Z	261.753° W	2026-09-18 20:20:10.680Z	276.518° WNW	12.193°	2026-09-18 20:23:10.680Z	291.42° WNW
12 mins	2026-09-19 05:12:10.680Z	46.753° ENE	2026-09-19 05:18:10.680Z	96.028° ESE	25.387°	2026-09-19 05:24:10.680Z	144.357° SSE

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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: 1 day ago

TLE from 1 day ago

TLE epoch observation values (Epoch: 2026-09-17T05:23:06.101Z)

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: 1 day ago