DELTA 1 DEB, 21268

Orbit data source: Space-Track

DELTA 1 DEB, 21268 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/21268?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

21268, 1975-052D

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, 0.3 m

Radar Cross Section

Medium (>0.1 m² and <1 m²)

Expand to show TLE details & history
Last TLE update: 10 hours ago

TLE from 10 hours ago

0 DELTA 1 DEB
1 21268U 75052D   26064.74678365  .00000267  00000-0  83967-3 0  9993
2 21268  99.8401 111.4988 0200068 176.5917 308.0573 13.06701754660277

Epoch: 2026-03-05T17:55Z

TLE epoch observation values (Epoch: 2026-03-05T17:55:22.107Z)

Latitude

55.99576°

Longitude

-126.01514°

Altitude

1,153.163 km

Speed

7.326 km/s

True Right ascension

20h 25m 16s

True Declination

55° 50' 40"

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

08:17:40

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,385.59 km

Perigee altitude

1,081.029 km

Semi-major axis

7,611.447 km

Eccentricity

0.02001

Inclination

99.8401°

RAAN

111.4988°

Arg. of periapsis

176.5917°

True anomaly

306.22418°

Mean anomaly

308.0573°

Eccentric anomaly

307.14355°

Mean motion

3.26845 °/min

Orbital period

110.14 mins

BSTAR

0.00083967

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

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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.
11 mins	2026-03-06 04:25:28.067Z	222.111° SW	2026-03-06 04:30:28.067Z	264.688° W	21.405°	2026-03-06 04:36:28.067Z	316.458° NNW
11 mins	2026-03-06 15:58:28.067Z	16.154° NNE	2026-03-06 16:03:28.067Z	146.298° SSE	44.943°	2026-03-06 16:09:28.067Z	195.419° SSW
6 mins	2026-03-06 17:48:28.067Z	329.659° NNW	2026-03-06 17:50:28.067Z	310.207° NW	16.009°	2026-03-06 17:54:28.067Z	271.451° WNW
4 mins	2026-03-07 00:46:28.067Z	64.522° ENE	2026-03-07 00:48:28.067Z	48.002° ENE	13.083°	2026-03-07 00:50:28.067Z	31.839° NE
14 mins	2026-03-07 02:28:28.067Z	148.177° SSE	2026-03-07 02:35:28.067Z	58.302° ENE	42.255°	2026-03-07 02:42:28.067Z	351.295° N

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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, 21268 on other resources

View DELTA 1 DEB, 21268 on Heavens-Above

View DELTA 1 DEB, 21268 on Keep Track

View DELTA 1 DEB, 21268 on Celestrak

View DELTA 1 DEB, 21268 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, 21268

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 10 hours ago

TLE from 10 hours ago

TLE epoch observation values (Epoch: 2026-03-05T17:55:22.107Z)

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, 21268 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 10 hours ago