DELTA 1 DEB, 21341

Orbit data source: Space-Track

DELTA 1 DEB, 21341 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/21341?theme=dark&initialShowStats=false

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Identifier

21341, 1975-052BK

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 (50 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

Medium (>0.1 m² and <1 m²)

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Last TLE update: 20 hours ago

TLE from 20 hours ago

0 DELTA 1 DEB
1 21341U 75052BK  25290.98921419  .00000137  00000-0  63089-3 0  9991
2 21341  99.7661  12.3872 0499414 199.0621 345.0128 12.58264456579369

Epoch: 2025-10-17T23:44Z

TLE epoch observation values (Epoch: 2025-10-17T23:44:28.106Z)

Latitude

-2.58938°

Longitude

169.09974°

Altitude

1,057.808 km

Speed

7.497 km/s

True Right ascension

12h 47m 46s

True Declination

-2° 34' 28"

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

14:24:05

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,817.361 km

Perigee altitude

1,037.709 km

Semi-major axis

7,805.672 km

Eccentricity

0.04994

Inclination

99.7661°

RAAN

12.3872°

Arg. of periapsis

199.0621°

True anomaly

343.43834°

Mean anomaly

345.0128°

Eccentric anomaly

344.23539°

Mean motion

3.14722 °/min

Orbital period

114.39 mins

BSTAR

0.00063089

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

DELTA 1 DEB, 21517 (Decayed)

DELTA 1 DEB, 21672 (Decayed)

DELTA 1 DEB, 21491 (Decayed)

DELTA 1 DEB, 21522 (Decayed)

DELTA 1 DEB, 21456 (Decayed)

DELTA 1 DEB, 21431 (Decayed)

DELTA 1 DEB, 21462

DELTA 1 DEB, 21673 (Decayed)

DELTA 1 DEB, 37628 (Decayed)

DELTA 1 DEB, 21335 (Decayed)

DELTA 1 DEB, 21505 (Decayed)

DELTA 1 DEB, 21597 (Decayed)

DELTA 1 DEB, 21348 (Decayed)

DELTA 1 DEB, 21455 (Decayed)

DELTA 1 DEB, 21564 (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.
7 mins	2025-10-18 20:24:23.772Z	339.63° N	2025-10-18 20:28:23.772Z	305.397° NW	16.466°	2025-10-18 20:31:23.772Z	278.027° WNW
12 mins	2025-10-19 03:34:23.772Z	97.132° ESE	2025-10-19 03:40:23.772Z	53.197° ENE	23.35°	2025-10-19 03:46:23.772Z	10.379° NNE
18 mins	2025-10-19 05:22:23.772Z	163.52° S	2025-10-19 05:31:23.772Z	212.096° SW	44.972°	2025-10-19 05:40:23.772Z	344.779° N
12 mins	2025-10-19 07:19:23.772Z	233.28° WSW	2025-10-19 07:24:23.772Z	266.593° W	19.784°	2025-10-19 07:31:23.772Z	313.983° NW
10 mins	2025-10-19 17:26:23.772Z	40.571° NE	2025-10-19 17:31:23.772Z	96.601° ESE	28.351°	2025-10-19 17:36:23.772Z	152.432° SSE
11 mins	2025-10-19 19:18:23.772Z	358.849° N	2025-10-19 19:24:23.772Z	289.45° WNW	34.347°	2025-10-19 19:29:23.772Z	230.64° WSW

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, 21341 on other resources

View DELTA 1 DEB, 21341 on Heavens-Above

View DELTA 1 DEB, 21341 on Keep Track

View DELTA 1 DEB, 21341 on Celestrak

View DELTA 1 DEB, 21341 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, 21341

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 20 hours ago

TLE from 20 hours ago

TLE epoch observation values (Epoch: 2025-10-17T23:44:28.106Z)

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, 21341 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 20 hours ago