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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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 (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: 13 hours ago

TLE from 13 hours ago

0 DELTA 1 DEB
1 21370U 75052CQ  26021.31675860  .00000008  00000-0  10792-3 0  9999
2 21370  99.9003 148.2601 0080025 183.3968 232.9978 13.28173162680222

Epoch: 2026-01-21T07:36Z

TLE epoch observation values (Epoch: 2026-01-21T07:36:07.943Z)

Latitude

54.53306°

Longitude

-100.56679°

Altitude

1,199.138 km

Speed

7.242 km/s

True Right ascension

08h 56m 36s

True Declination

54° 22' 47"

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

21:29:05

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,211.254 km

Perigee altitude

1,090.75 km

Semi-major axis

7,529.139 km

Eccentricity

0.008

Inclination

99.9003°

RAAN

148.2601°

Arg. of periapsis

183.3968°

True anomaly

232.26986°

Mean anomaly

232.9978°

Eccentric anomaly

232.63339°

Mean motion

3.3222 °/min

Orbital period

108.36 mins

BSTAR

0.00010792

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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, 21600 (Decayed)

DELTA 1 DEB, 21335 (Decayed)

DELTA 1 DEB, 21683 (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.
11 mins	2026-01-21 20:35:43.178Z	31.484° NE	2026-01-21 20:40:43.178Z	88.544° E	34.631°	2026-01-21 20:46:43.178Z	167.559° S
9 mins	2026-01-21 22:23:43.178Z	346.875° N	2026-01-21 22:27:43.178Z	297.668° NW	28.286°	2026-01-21 22:32:43.178Z	240.665° WSW
10 mins	2026-01-22 06:58:43.178Z	111.156° ESE	2026-01-22 07:03:43.178Z	56.289° ENE	26.113°	2026-01-22 07:08:43.178Z	7.852° NNE
12 mins	2026-01-22 08:43:43.178Z	184.596° SSW	2026-01-22 08:49:43.178Z	258.279° W	39.292°	2026-01-22 08:55:43.178Z	333.4° NNW
9 mins	2026-01-22 20:07:43.178Z	50.478° ENE	2026-01-22 20:11:43.178Z	97.442° ESE	24.01°	2026-01-22 20:16:43.178Z	148.468° 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, 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: 2026-01-21T07:36:07.943Z)

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