DELTA 1 DEB, 42657

Orbit data source: Space-Track

DELTA 1 DEB, 42657 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/42657?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

42657, 1975-052MS

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: 2 days ago

TLE from 2 days ago

0 DELTA 1 DEB
1 42657U 75052MS  26171.44904752  .00000016  00000-0  86980-4 0  9997
2 42657  99.6725  70.6558 0045187 341.5573  18.3924 13.54514393621620

Epoch: 2026-06-20T10:46Z

TLE epoch observation values (Epoch: 2026-06-20T10:46:37.705Z)

Latitude

-0.00006°

Longitude

0.33519°

Altitude

1,026.622 km

Speed

7.354 km/s

True Right ascension

04h 42m 37s

True Declination

0° 00' 00"

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

21:34:32

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,086.568 km

Perigee altitude

1,019.41 km

Semi-major axis

7,431.126 km

Eccentricity

0.00452

Inclination

99.6725°

RAAN

70.6558°

Arg. of periapsis

341.5573°

True anomaly

18.55666°

Mean anomaly

18.3924°

Eccentric anomaly

18.47444°

Mean motion

3.38814 °/min

Orbital period

106.25 mins

BSTAR

0.00008698

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

DELTA 1 DEB, 21518 (Decayed)

DELTA 1 DEB, 37628 (Decayed)

DELTA 1 DEB, 21522 (Decayed)

DELTA 1 DEB, 21349 (Decayed)

DELTA 1 DEB, 21328 (Decayed)

DELTA 1 DEB, 42658

DELTA 1 DEB, 26839

DELTA 1 DEB, 26036

DELTA 1 DEB, 21683 (Decayed)

DELTA 1 DEB, 21519 (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.
10 mins	2026-06-22 16:05:30.847Z	121.034° SE	2026-06-22 16:10:30.847Z	68.22° E	26.64°	2026-06-22 16:15:30.847Z	9.29° NNE
10 mins	2026-06-22 17:50:30.847Z	193.46° SSW	2026-06-22 17:55:30.847Z	264.795° W	35.32°	2026-06-22 18:00:30.847Z	328.997° NNW
8 mins	2026-06-23 05:00:30.847Z	53.26° ENE	2026-06-23 05:04:30.847Z	99.665° ESE	22.087°	2026-06-23 05:08:30.847Z	140.95° SSE
11 mins	2026-06-23 06:44:30.847Z	1.848° NNE	2026-06-23 06:49:30.847Z	278.299° WNW	39.887°	2026-06-23 06:55:30.847Z	214.136° SW

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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, 42657 on other resources

View DELTA 1 DEB, 42657 on Heavens-Above

View DELTA 1 DEB, 42657 on Keep Track

View DELTA 1 DEB, 42657 on Celestrak

View DELTA 1 DEB, 42657 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, 42657

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 2 days ago

TLE from 2 days ago

TLE epoch observation values (Epoch: 2026-06-20T10:46:37.705Z)

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, 42657 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 2 days ago