DELTA 1 DEB, 42573

Orbit data source: Space-Track

DELTA 1 DEB, 42573 is space debris in SSO originally from a launch on Tue, 06 Nov 1973 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/42573?theme=dark&initialShowStats=false

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ISO8601 Format

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ISO8601 Format

Identifier

42573, 1973-086HM

Orbit

SSO

Country

Related business

National Aeronautics and Space Administration (NASA) (US)

Manufacturer

Unknown

Mission

Spacecraft

Bus & Motor

Unknown

Mass

Unknown

Launch date (UTC)

1973-11-06 (53 years ago)

Launch vehicle

Unknown

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Unknown shape, 1.1 m

Radar Cross Section

Medium (>0.1 m² and <1 m²)

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

TLE from 13 hours ago

0 DELTA 1 DEB
1 42573U 73086HM  26263.25773953  .00000030  00000-0  51806-3 0  9991
2 42573 101.9192   4.8788 0040989 175.8078 210.8704 12.46304460583241

Epoch: 2026-09-20T06:11Z

TLE epoch observation values (Epoch: 2026-09-20T06:11:08.695Z)

Latitude

25.85776°

Longitude

-92.90505°

Altitude

1,510.506 km

Speed

7.099 km/s

True Right ascension

23h 56m 08s

True Declination

25° 44' 09"

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

11:56:57

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,509.752 km

Perigee altitude

1,445.353 km

Semi-major axis

7,855.689 km

Eccentricity

0.0041

Inclination

101.9192°

RAAN

4.8788°

Arg. of periapsis

175.8078°

True anomaly

210.63045°

Mean anomaly

210.8704°

Eccentric anomaly

210.75032°

Mean motion

3.11721 °/min

Orbital period

115.49 mins

BSTAR

0.00051806

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Other satellites on launch #86 in the year 1973 (1973-11-06 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.
15 mins	2026-09-20 20:08:42.584Z	14.358° NNE	2026-09-20 20:15:42.584Z	325.631° NNW	75.371°	2026-09-20 20:23:42.584Z	206.981° SW
8 mins	2026-09-20 22:04:42.584Z	339.446° N	2026-09-20 22:08:42.584Z	306.879° NW	17.983°	2026-09-20 22:12:42.584Z	276.198° WNW
13 mins	2026-09-21 05:18:42.584Z	113.69° SE	2026-09-21 05:24:42.584Z	61.536° ENE	34.015°	2026-09-21 05:31:42.584Z	0.604° NNE
15 mins	2026-09-21 07:10:42.584Z	180.92° SSW	2026-09-21 07:17:42.584Z	251.636° W	58.172°	2026-09-21 07:25:42.584Z	333.841° NNW

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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, 42573 on other resources

View DELTA 1 DEB, 42573 on Heavens-Above

View DELTA 1 DEB, 42573 on Keep Track

View DELTA 1 DEB, 42573 on Celestrak

View DELTA 1 DEB, 42573 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, 42573

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: 2026-09-20T06:11:08.695Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #86 in the year 1973 (1973-11-06 UTC)

DELTA 1 DEB Visibility forecast

Co-orbital & Co-planar RSOs

Check out DELTA 1 DEB, 42573 on other resources

Documentation

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