DELTA 1 DEB, 21286

Orbit data source: Space-Track

DELTA 1 DEB, 21286 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/21286?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

21286, 1975-052X

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, 0.5 m

Radar Cross Section

Medium (>0.1 m² and <1 m²)

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

TLE from 1 day ago

0 DELTA 1 DEB
1 21286U 75052X   26135.31287811 -.00000016  00000-0  52337-4 0  9998
2 21286  99.7098 288.6893 0052732 259.8090 162.6845 13.33464535704942

Epoch: 2026-05-15T07:30Z

TLE epoch observation values (Epoch: 2026-05-15T07:30:32.668Z)

Latitude

61.21545°

Longitude

-75.04403°

Altitude

1,181.936 km

Speed

7.25 km/s

True Right ascension

18h 02m 33s

True Declination

61° 04' 42"

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

17:17:28

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,170.645 km

Perigee altitude

1,091.45 km

Semi-major axis

7,509.185 km

Eccentricity

0.00527

Inclination

99.7098°

RAAN

288.6893°

Arg. of periapsis

259.809°

True anomaly

162.86322°

Mean anomaly

162.6845°

Eccentric anomaly

162.77397°

Mean motion

3.33545 °/min

Orbital period

107.93 mins

BSTAR

0.000052337

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

DELTA 1 DEB, 21273

DELTA 1 DEB, 26830

DELTA 1 DEB, 37630 (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	2026-05-16 10:18:37.956Z	173.316° S	2026-05-16 10:24:37.956Z	278.13° WNW	43.526°	2026-05-16 10:30:37.956Z	340.557° N
7 mins	2026-05-16 21:40:37.956Z	61.904° ENE	2026-05-16 21:43:37.956Z	92.819° ESE	18.334°	2026-05-16 21:47:37.956Z	131.032° SE
12 mins	2026-05-16 23:24:37.956Z	9.5° NNE	2026-05-16 23:30:37.956Z	278.51° WNW	43.578°	2026-05-16 23:36:37.956Z	206.376° SW
4 mins	2026-05-17 01:14:37.956Z	316.724° NNW	2026-05-17 01:15:37.956Z	307.502° NW	13.14°	2026-05-17 01:18:37.956Z	281.207° WNW

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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, 21286 on other resources

View DELTA 1 DEB, 21286 on Heavens-Above

View DELTA 1 DEB, 21286 on Keep Track

View DELTA 1 DEB, 21286 on Celestrak

View DELTA 1 DEB, 21286 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, 21286

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: 2026-05-15T07:30:32.668Z)

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, 21286 on other resources

Documentation

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