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: 11 hours ago

TLE from 11 hours ago

0 DELTA 1 DEB
1 21268U 75052D   25360.36346244  .00000392  00000-0  11881-2 0  9991
2 21268  99.8526  47.9090 0198438 335.7041  82.7459 13.06679607651210

Epoch: 2025-12-26T08:43Z

TLE epoch observation values (Epoch: 2025-12-26T08:43:23.154Z)

Latitude

59.33208°

Longitude

165.01562°

Altitude

1,229.866 km

Speed

7.253 km/s

True Right ascension

02h 03m 52s

True Declination

59° 11' 25"

Sunlit

Object was in partial shadow 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

19:00:21

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,384.438 km

Perigee altitude

1,082.355 km

Semi-major axis

7,611.533 km

Eccentricity

0.01984

Inclination

99.8526°

RAAN

47.909°

Arg. of periapsis

335.7041°

True anomaly

85.00813°

Mean anomaly

82.7459°

Eccentric anomaly

83.87638°

Mean motion

3.2684 °/min

Orbital period

110.15 mins

BSTAR

0.0011881

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

DELTA 1 DEB, 21328 (Decayed)

DELTA 1 DEB, 21318 (Decayed)

DELTA 1 DEB, 48087

DELTA 1 DEB, 21517 (Decayed)

DELTA 1 DEB, 21510 (Decayed)

DELTA 1 DEB, 21381 (Decayed)

DELTA 1 DEB, 21344 (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.
5 mins	2025-12-27 01:10:36.506Z	71.832° E	2025-12-27 01:12:36.506Z	54.618° ENE	12.632°	2025-12-27 01:15:36.506Z	29.021° NE
12 mins	2025-12-27 02:54:36.506Z	150.615° SSE	2025-12-27 03:00:36.506Z	47.39° ENE	42.745°	2025-12-27 03:06:36.506Z	350.636° N
7 mins	2025-12-27 04:46:36.506Z	239.979° WSW	2025-12-27 04:49:36.506Z	271.779° WNW	18.925°	2025-12-27 04:53:36.506Z	309.326° NW
8 mins	2025-12-27 14:29:36.506Z	60.819° ENE	2025-12-27 14:32:36.506Z	85.218° E	16.084°	2025-12-27 14:37:36.506Z	124.703° SE
14 mins	2025-12-27 16:15:36.506Z	15.701° NNE	2025-12-27 16:22:36.506Z	162.765° S	44.918°	2025-12-27 16:29:36.506Z	195.857° SSW
9 mins	2025-12-27 18:05:36.506Z	341.236° N	2025-12-27 18:09:36.506Z	307.091° NW	19.894°	2025-12-27 18:14:36.506Z	264.573° W

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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: 11 hours ago

TLE from 11 hours ago

TLE epoch observation values (Epoch: 2025-12-26T08:43:23.154Z)

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: 11 hours ago