DELTA 1 DEB, 21370

Orbit data source: Space-Track

DELTA 1 DEB, 21370 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/21370?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

21370, 1975-052CQ

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, 0.1 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 21370U 75052CQ  25309.12911318 -.00000005  00000-0  80222-4 0  9991
2 21370  99.8969  74.4319 0079737   7.4696 166.4732 13.28162866669977

Epoch: 2025-11-05T03:05Z

TLE epoch observation values (Epoch: 2025-11-05T03:05:55.378Z)

Latitude

5.68162°

Longitude

164.33452°

Altitude

1,214.32 km

Speed

7.219 km/s

True Right ascension

17h 01m 41s

True Declination

5° 38' 60"

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

11:41:23

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,211.077 km

Perigee altitude

1,091.006 km

Semi-major axis

7,529.178 km

Eccentricity

0.00797

Inclination

99.8969°

RAAN

74.4319°

Arg. of periapsis

7.4696°

True anomaly

166.68487°

Mean anomaly

166.4732°

Eccentric anomaly

166.57924°

Mean motion

3.32217 °/min

Orbital period

108.36 mins

BSTAR

0.000080222

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

DELTA 1 DEB, 21491 (Decayed)

DELTA 1 DEB, 7965 (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.
13 mins	2025-11-05 20:54:22.090Z	26.15° NE	2025-11-05 21:00:22.090Z	97.11° ESE	39.209°	2025-11-05 21:07:22.090Z	177.587° S
10 mins	2025-11-05 22:42:22.090Z	347.339° N	2025-11-05 22:47:22.090Z	291.538° WNW	26.021°	2025-11-05 22:52:22.090Z	243.992° WSW
9 mins	2025-11-06 07:18:22.090Z	114.403° SE	2025-11-06 07:22:22.090Z	65.72° ENE	28.177°	2025-11-06 07:27:22.090Z	8.132° NNE
11 mins	2025-11-06 09:04:22.090Z	196.046° SSW	2025-11-06 09:09:22.090Z	266.699° W	34.79°	2025-11-06 09:15:22.090Z	331.609° NNW

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, 21370 on other resources

View DELTA 1 DEB, 21370 on Heavens-Above

View DELTA 1 DEB, 21370 on Keep Track

View DELTA 1 DEB, 21370 on Celestrak

View DELTA 1 DEB, 21370 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, 21370

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: 2025-11-05T03:05:55.378Z)

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, 21370 on other resources

Documentation

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