DELTA 1 DEB, 21270

Orbit data source: Space-Track

DELTA 1 DEB, 21270 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/21270?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

21270, 1975-052F

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, 0.2 m

Radar Cross Section

Small (<0.1 m²)

Expand to show TLE details & history
Last TLE update: 13 hours ago

TLE from 13 hours ago

0 DELTA 1 DEB
1 21270U 75052F   26101.06522142  .00000139  00000-0  67936-3 0  9990
2 21270  99.4378 146.7555 0435269 359.9341  27.1547 12.61220274600717

Epoch: 2026-04-11T01:33Z

TLE epoch observation values (Epoch: 2026-04-11T01:33:55.130Z)

Latitude

29.08988°

Longitude

-81.2931°

Altitude

1,122.609 km

Speed

7.432 km/s

True Right ascension

09h 25m 54s

True Declination

28° 57' 04"

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

20:58:34

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,754.538 km

Perigee altitude

1,076.088 km

Semi-major axis

7,793.45 km

Eccentricity

0.04353

Inclination

99.4378°

RAAN

146.7555°

Arg. of periapsis

359.9341°

True anomaly

29.54597°

Mean anomaly

27.1547°

Eccentric anomaly

28.33851°

Mean motion

3.15463 °/min

Orbital period

114.12 mins

BSTAR

0.00067936

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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.
17 mins	2026-04-11 15:20:43.965Z	23.202° NE	2026-04-11 15:28:43.965Z	103.301° ESE	41.334°	2026-04-11 15:37:43.965Z	179.732° S
14 mins	2026-04-11 17:14:43.965Z	350.029° N	2026-04-11 17:20:43.965Z	295.29° NW	30.049°	2026-04-11 17:28:43.965Z	238.071° WSW
12 mins	2026-04-12 02:17:43.965Z	138.248° SSE	2026-04-12 02:22:43.965Z	69.419° E	38.545°	2026-04-12 02:29:43.965Z	354.66° N
9 mins	2026-04-12 04:11:43.965Z	223.623° SW	2026-04-12 04:15:43.965Z	268.206° W	22.956°	2026-04-12 04:20:43.965Z	317.741° NNW
12 mins	2026-04-12 14:14:43.965Z	49.969° ENE	2026-04-12 14:19:43.965Z	88.894° E	22.751°	2026-04-12 14:26:43.965Z	138.84° SSE

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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, 21270 on other resources

View DELTA 1 DEB, 21270 on Heavens-Above

View DELTA 1 DEB, 21270 on Keep Track

View DELTA 1 DEB, 21270 on Celestrak

View DELTA 1 DEB, 21270 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, 21270

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 13 hours ago

TLE from 13 hours ago

TLE epoch observation values (Epoch: 2026-04-11T01:33:55.130Z)

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, 21270 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 13 hours ago