DELTA 1 DEB, 21386

Orbit data source: Space-Track

DELTA 1 DEB, 21386 is space debris in SSO originally from a launch on Thu, 12 Jun 1975 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/21386?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

21386, 1975-052DG

Orbit

SSO

Country

Related business

National Aeronautics and Space Administration (NASA) (US)

Manufacturer

Unknown

Mission

Spacecraft

Bus & Motor

Unknown

Mass

Unknown

Launch date (UTC)

1975-06-12 (51 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: 7 hours ago

TLE from 7 hours ago

0 DELTA 1 DEB
1 21386U 75052DG  26064.98043034  .00000549  00000-0  11617-2 0  9994
2 21386  99.5664 118.5518 0182860 105.7639  15.4610 13.29192050679120

Epoch: 2026-03-05T23:31Z

TLE epoch observation values (Epoch: 2026-03-05T23:31:49.181Z)

Latitude

57.03873°

Longitude

156.85828°

Altitude

1,026.764 km

Speed

7.408 km/s

True Right ascension

20h 54m 08s

True Declination

56° 53' 14"

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

10:06:32

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,284.741 km

Perigee altitude

1,009.526 km

Semi-major axis

7,525.27 km

Eccentricity

0.01829

Inclination

99.5664°

RAAN

118.5518°

Arg. of periapsis

105.7639°

True anomaly

16.03216°

Mean anomaly

15.461°

Eccentric anomaly

15.74531°

Mean motion

3.32476 °/min

Orbital period

108.28 mins

BSTAR

0.0011617

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Other satellites on launch #52 in the year 1975 (1975-06-12 UTC)

DELTA 1 DEB, 21520 (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	2026-03-06 15:47:01.340Z	27.523° NE	2026-03-06 15:53:01.340Z	101.994° ESE	35.575°	2026-03-06 15:59:01.340Z	171.743° S
8 mins	2026-03-06 17:36:01.340Z	341.417° N	2026-03-06 17:39:01.340Z	304.145° NW	25.359°	2026-03-06 17:44:01.340Z	244.279° WSW
9 mins	2026-03-07 02:11:01.340Z	112.292° ESE	2026-03-07 02:15:01.340Z	69.03° E	24.812°	2026-03-07 02:20:01.340Z	11.678° NNE
11 mins	2026-03-07 03:57:01.340Z	190.131° SSW	2026-03-07 04:02:01.340Z	263.166° W	37.641°	2026-03-07 04:08:01.340Z	334.214° 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, 21386 on other resources

View DELTA 1 DEB, 21386 on Heavens-Above

View DELTA 1 DEB, 21386 on Keep Track

View DELTA 1 DEB, 21386 on Celestrak

View DELTA 1 DEB, 21386 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, 21386

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 7 hours ago

TLE from 7 hours ago

TLE epoch observation values (Epoch: 2026-03-05T23:31:49.181Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #52 in the year 1975 (1975-06-12 UTC)

DELTA 1 DEB Visibility forecast

Co-orbital & Co-planar RSOs

Check out DELTA 1 DEB, 21386 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 7 hours ago