DELTA 1 DEB, 21368

Orbit data source: Space-Track

DELTA 1 DEB, 21368 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/21368?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

21368, 1975-052CN

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: 12 hours ago

TLE from 12 hours ago

0 DELTA 1 DEB
1 21368U 75052CN  26021.42361395  .00000045  00000-0  11744-3 0  9992
2 21368  99.5178 191.6891 0075355 241.5447 145.4674 13.59319513719567

Epoch: 2026-01-21T10:10Z

TLE epoch observation values (Epoch: 2026-01-21T10:10:00.245Z)

Latitude

27.12609°

Longitude

-86.50536°

Altitude

1,087.565 km

Speed

7.288 km/s

True Right ascension

12h 27m 08s

True Declination

26° 59' 35"

Sunlit

Object was in full 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

23:25:47

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,091.311 km

Perigee altitude

979.58 km

Semi-major axis

7,413.583 km

Eccentricity

0.00754

Inclination

99.5178°

RAAN

191.6891°

Arg. of periapsis

241.5447°

True anomaly

145.95312°

Mean anomaly

145.4674°

Eccentric anomaly

145.71064°

Mean motion

3.40017 °/min

Orbital period

105.88 mins

BSTAR

0.00011744

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

DELTA 1 DEB, 7965 (Decayed)

DELTA 1 DEB, 21340 (Decayed)

DELTA 1 DEB, 21335 (Decayed)

DELTA 1 DEB, 21683 (Decayed)

DELTA 1 DEB, 21430 (Decayed)

DELTA 1 DEB, 21391 (Decayed)

DELTA 1 DEB, 21681 (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.
10 mins	2026-01-21 23:01:06.046Z	41.692° NE	2026-01-21 23:06:06.046Z	96.388° ESE	23.81°	2026-01-21 23:11:06.046Z	149.03° SSE
10 mins	2026-01-22 00:46:06.046Z	358.707° N	2026-01-22 00:51:06.046Z	277.633° WNW	37.328°	2026-01-22 00:56:06.046Z	219.964° SW
4 mins	2026-01-22 09:13:06.046Z	69.166° E	2026-01-22 09:15:06.046Z	50.291° ENE	12.685°	2026-01-22 09:17:06.046Z	32.142° NE
11 mins	2026-01-22 10:53:06.046Z	152.98° SSE	2026-01-22 10:58:06.046Z	65.534° ENE	43.67°	2026-01-22 11:04:06.046Z	350.107° N
7 mins	2026-01-22 12:40:06.046Z	238.411° WSW	2026-01-22 12:43:06.046Z	269.828° W	17.643°	2026-01-22 12:47:06.046Z	308.577° NW

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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, 21368 on other resources

View DELTA 1 DEB, 21368 on Heavens-Above

View DELTA 1 DEB, 21368 on Keep Track

View DELTA 1 DEB, 21368 on Celestrak

View DELTA 1 DEB, 21368 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, 21368

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 12 hours ago

TLE from 12 hours ago

TLE epoch observation values (Epoch: 2026-01-21T10:10:00.245Z)

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, 21368 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 12 hours ago