DELTA 1 DEB, 21271

Orbit data source: Space-Track

DELTA 1 DEB, 21271 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/21271?theme=dark&initialShowStats=false

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Identifier

21271, 1975-052G

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)

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Last TLE update: 9 hours ago

TLE from 9 hours ago

0 DELTA 1 DEB
1 21271U 75052G   26002.10680969  .00000562  00000-0  16754-2 0  9999
2 21271  99.5813  50.0332 0241633 335.0039  41.1425 13.02498895646197

Epoch: 2026-01-02T02:33Z

TLE epoch observation values (Epoch: 2026-01-02T02:33:48.357Z)

Latitude

17.74304°

Longitude

-93.25029°

Altitude

1,117.59 km

Speed

7.36 km/s

True Right ascension

03h 07m 48s

True Declination

17° 38' 54"

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

11:24:06

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,433.985 km

Perigee altitude

1,065.359 km

Semi-major axis

7,627.809 km

Eccentricity

0.02416

Inclination

99.5813°

RAAN

50.0332°

Arg. of periapsis

335.0039°

True anomaly

43.00629°

Mean anomaly

41.1425°

Eccentric anomaly

42.07014°

Mean motion

3.25794 °/min

Orbital period

110.5 mins

BSTAR

0.0016754

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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.
10 mins	2026-01-02 14:11:05.652Z	50.665° ENE	2026-01-02 14:16:05.652Z	89.522° E	17.29°	2026-01-02 14:21:05.652Z	127.774° SE
14 mins	2026-01-02 15:59:05.652Z	14.72° NNE	2026-01-02 16:06:05.652Z	195.635° SSW	44.838°	2026-01-02 16:13:05.652Z	196.902° SSW
10 mins	2026-01-02 17:49:05.652Z	341.432° N	2026-01-02 17:54:05.652Z	299.004° NW	19.741°	2026-01-02 17:59:05.652Z	260.894° W
12 mins	2026-01-03 02:34:05.652Z	146.286° SSE	2026-01-03 02:39:05.652Z	59.699° ENE	42.138°	2026-01-03 02:46:05.652Z	351.129° N
8 mins	2026-01-03 04:25:05.652Z	234.133° WSW	2026-01-03 04:28:05.652Z	265.585° W	20.074°	2026-01-03 04:33:05.652Z	313.4° 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, 21271 on other resources

View DELTA 1 DEB, 21271 on Heavens-Above

View DELTA 1 DEB, 21271 on Keep Track

View DELTA 1 DEB, 21271 on Celestrak

View DELTA 1 DEB, 21271 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, 21271

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 9 hours ago

TLE from 9 hours ago

TLE epoch observation values (Epoch: 2026-01-02T02:33:48.357Z)

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, 21271 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 9 hours ago