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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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: 1 day ago

TLE from 1 day ago

0 DELTA 1 DEB
1 21268U 75052D   26171.37776294 -.00000174  00000-0 -36446-3 0  9990
2 21268  99.8254 209.0864 0197735 292.5344  76.6731 13.06719120674207

Epoch: 2026-06-20T09:03Z

TLE epoch observation values (Epoch: 2026-06-20T09:03:58.718Z)

Latitude

11.21047°

Longitude

162.54141°

Altitude

1,205.976 km

Speed

7.267 km/s

True Right ascension

13h 48m 31s

True Declination

11° 08' 56"

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

07:38:39

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,383.745 km

Perigee altitude

1,082.738 km

Semi-major axis

7,611.378 km

Eccentricity

0.01977

Inclination

99.8254°

RAAN

209.0864°

Arg. of periapsis

292.5344°

True anomaly

78.89004°

Mean anomaly

76.6731°

Eccentric anomaly

77.78037°

Mean motion

3.2685 °/min

Orbital period

110.14 mins

BSTAR

-0.00036446

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

DELTA 1 DEB, 21390 (Decayed)

DELTA 1 DEB, 35533 (Decayed)

DELTA 1 DEB, 21681 (Decayed)

DELTA 1 DEB, 21328 (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.
13 mins	2026-06-22 01:32:55.198Z	133.566° SE	2026-06-22 01:39:55.198Z	57.992° ENE	35.123°	2026-06-22 01:45:55.198Z	359.464° N
12 mins	2026-06-22 03:22:55.198Z	205.304° SW	2026-06-22 03:27:55.198Z	260.541° W	31.109°	2026-06-22 03:34:55.198Z	328.487° NNW
13 mins	2026-06-22 14:55:55.198Z	27.083° NE	2026-06-22 15:01:55.198Z	97.619° ESE	40.098°	2026-06-22 15:08:55.198Z	176.955° S
11 mins	2026-06-22 16:44:55.198Z	349.594° N	2026-06-22 16:49:55.198Z	300.847° NW	28.136°	2026-06-22 16:55:55.198Z	243.944° WSW

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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: 1 day ago

TLE from 1 day ago

TLE epoch observation values (Epoch: 2026-06-20T09:03:58.718Z)

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: 1 day ago