DELTA 1 DEB, 9975

Orbit data source: Space-Track

DELTA 1 DEB, 9975 is space debris in SSO 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/9975?theme=dark&initialShowStats=false

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ISO8601 Format

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ISO8601 Format

Identifier

9975, 1973-086GE

Orbit

SSO

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)

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

TLE from 3 days ago

0 DELTA 1 DEB
1 09975U 73086GE  26258.43223402  .00000412  00000-0  31912-2 0  9992
2 09975 102.4759 229.3076 0099804  47.1359 103.4744 12.44449887104546

Epoch: 2026-09-15T10:22Z

TLE epoch observation values (Epoch: 2026-09-15T10:22:25.019Z)

Latitude

27.59531°

Longitude

-94.08662°

Altitude

1,509.884 km

Speed

7.104 km/s

True Right ascension

03h 43m 39s

True Declination

27° 28' 04"

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

20:19:58

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,563.874 km

Perigee altitude

1,406.912 km

Semi-major axis

7,863.53 km

Eccentricity

0.00998

Inclination

102.4759°

RAAN

229.3076°

Arg. of periapsis

47.1359°

True anomaly

104.5833°

Mean anomaly

103.4744°

Eccentric anomaly

104.02918°

Mean motion

3.11255 °/min

Orbital period

115.66 mins

BSTAR

0.0031912

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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, 39097

DELTA 1 DEB, 7015

DELTA 1 DEB, 7130

DELTA 1 DEB, 7199 (Decayed)

DELTA 1 DEB, 7052

DELTA 1 DEB, 7087 (Decayed)

DELTA 1 DEB, 9977

DELTA 1 DEB, 42575

DELTA 1 DEB, 7197 (Decayed)

DELTA 1 DEB, 7077 (Decayed)

DELTA 1 DEB, 7138

DELTA 1 DEB, 7201 (Decayed)

DELTA 1 DEB, 7125 (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.
12 mins	2026-09-18 09:37:08.939Z	49.218° ENE	2026-09-18 09:43:08.939Z	97.799° ESE	22.678°	2026-09-18 09:49:08.939Z	142.935° SSE
15 mins	2026-09-18 11:30:08.939Z	14.214° NNE	2026-09-18 11:37:08.939Z	276.875° WNW	76.443°	2026-09-18 11:45:08.939Z	208.171° SW
9 mins	2026-09-18 13:25:08.939Z	342.567° N	2026-09-18 13:29:08.939Z	310.812° NW	18.268°	2026-09-18 13:34:08.939Z	273.616° WNW
12 mins	2026-09-18 20:41:08.939Z	114.035° SE	2026-09-18 20:47:08.939Z	52.788° ENE	35.401°	2026-09-18 20:53:08.939Z	359.751° N
14 mins	2026-09-18 22:33:08.939Z	184.64° SSW	2026-09-18 22:40:08.939Z	261.798° W	51.674°	2026-09-18 22:47:08.939Z	330.483° 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, 9975 on other resources

View DELTA 1 DEB, 9975 on Heavens-Above

View DELTA 1 DEB, 9975 on Keep Track

View DELTA 1 DEB, 9975 on Celestrak

View DELTA 1 DEB, 9975 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, 9975

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: 2026-09-15T10:22:25.019Z)

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, 9975 on other resources

Documentation

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