SATCOM 3 DEB, 31138

Orbit data source: Space-Track

SATCOM 3 DEB, 31138 is space debris in HEO originally from a launch on Fri, 07 Dec 1979 UTC launched from the Air Force Eastern Test Range (AFETR). 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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https://www.satcat.com/sats-embedded/31138?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

31138, 1979-101H

Orbit

HEO

Country

Related business

Lockheed Martin (US)

Manufacturer

Unknown

Mission

Spacecraft

Bus & Motor

Unknown

Mass

Unknown

Launch date (UTC)

1979-12-07 (47 years ago)

Launch vehicle

Unknown

Launch site

Air Force Eastern Test Range (AFETR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Unknown shape, 1.1 m

Radar Cross Section

Medium (>0.1 m² and <1 m²)

Expand to show TLE details & history
Last TLE update: 1 week ago

TLE from 1 week ago

0 SATCOM 3 DEB
1 31138U 79101H   26161.61398301 -.00000089  00000-0  00000-0 0  9999
2 31138   9.2280  51.2473 4886995 170.9986 356.8389  1.83046457130521

Epoch: 2026-06-10T14:44Z

TLE epoch observation values (Epoch: 2026-06-10T14:44:08.132Z)

Latitude

3.1399°

Longitude

91.54037°

Altitude

8,130.287 km

Speed

6.39 km/s

True Right ascension

14h 06m 10s

True Declination

3° 07' 50"

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

17:13:15

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

35,649.633 km

Perigee altitude

8,056.489 km

Semi-major axis

28,231.198 km

Eccentricity

0.4887

Inclination

9.228°

RAAN

51.2473°

Arg. of periapsis

170.9986°

True anomaly

349.48944°

Mean anomaly

356.8389°

Eccentric anomaly

353.82893°

Mean motion

0.45756 °/min

Orbital period

786.78 mins

BSTAR

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Computing Atmospheric mass density...

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Other satellites on launch #101 in the year 1979 (1979-12-07 UTC)

DELTA 1 R/B(2), 11637 (Decayed)

SATCOM 3 DEB, 29003

SATCOM 3 DEB, 32983

SATCOM 3, 11635

DELTA 1 R/B(1), 11636

SATCOM 3 DEB, 32985

SATCOM 3 DEB, 32986

SATCOM 3 DEB, 32987

SATCOM 3 DEB *, 32990

SATCOM 3 DEB, 29004

SATCOM 3 DEB, 49960

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SATCOM 3 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.
118 mins	2026-06-18 06:27:40.272Z	223.88° SW	2026-06-18 06:51:40.272Z	184.299° SSW	21.407°	2026-06-18 08:25:40.272Z	126.24° SE
511 mins	2026-06-18 09:47:40.272Z	118.54° SE	2026-06-18 16:08:40.272Z	125.787° SE	28.057°	2026-06-18 18:18:40.272Z	101.981° ESE

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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 SATCOM 3 DEB, 31138 on other resources

View SATCOM 3 DEB, 31138 on Heavens-Above

View SATCOM 3 DEB, 31138 on Keep Track

View SATCOM 3 DEB, 31138 on Celestrak

View SATCOM 3 DEB, 31138 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

SATCOM 3 DEB, 31138

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 1 week ago

TLE from 1 week ago

TLE epoch observation values (Epoch: 2026-06-10T14:44:08.132Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #101 in the year 1979 (1979-12-07 UTC)

SATCOM 3 DEB Visibility forecast

Co-orbital & Co-planar RSOs

Check out SATCOM 3 DEB, 31138 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 1 week ago