DELTA 1 DEB, 42577

Orbit data source: Space-Track

DELTA 1 DEB, 42577 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/42577?theme=dark&initialShowStats=false

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ISO8601 Format

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ISO8601 Format

Identifier

42577, 1973-086HR

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, 0.1 m

Radar Cross Section

Small (<0.1 m²)

Expand to show TLE details & history
Last TLE update: 6 days ago

TLE from 6 days ago

0 DELTA 1 DEB
1 42577U 73086HR  26123.51534561  .00000348  00000-0  18967-2 0  9991
2 42577 101.2387  45.5210 0079164 333.0628  26.6358 12.72211203 36626

Epoch: 2026-05-03T12:22Z

TLE epoch observation values (Epoch: 2026-05-03T12:22:05.860Z)

Latitude

-0.00008°

Longitude

-1.42119°

Altitude

1,320.81 km

Speed

7.222 km/s

True Right ascension

03h 02m 05s

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

19:59:49

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,431.774 km

Perigee altitude

1,309.093 km

Semi-major axis

7,748.57 km

Eccentricity

0.00792

Inclination

101.2387°

RAAN

45.521°

Arg. of periapsis

333.0628°

True anomaly

27.04612°

Mean anomaly

26.6358°

Eccentric anomaly

26.84059°

Mean motion

3.18208 °/min

Orbital period

113.13 mins

BSTAR

0.0018967

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

DELTA 1 DEB, 7159 (Decayed)

DELTA 1 DEB, 7197 (Decayed)

DELTA 1 DEB, 7089 (Decayed)

DELTA 1 DEB, 7487 (Decayed)

DELTA 1 DEB, 7206 (Decayed)

DELTA 1 DEB *, 7144 (Decayed)

DELTA 1 DEB, 7070 (Decayed)

DELTA 1 DEB, 7205 (Decayed)

DELTA 1 DEB, 18511 (Decayed)

DELTA 1 DEB, 7201 (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.
14 mins	2026-05-09 17:35:03.489Z	128.544° SE	2026-05-09 17:42:03.489Z	60.798° ENE	33.819°	2026-05-09 17:49:03.489Z	356.697° N
13 mins	2026-05-09 19:27:03.489Z	196.421° SSW	2026-05-09 19:33:03.489Z	259.78° W	33.671°	2026-05-09 19:40:03.489Z	328.126° NNW
15 mins	2026-05-10 07:18:03.489Z	25.76° NE	2026-05-10 07:25:03.489Z	104.982° ESE	41.257°	2026-05-10 07:33:03.489Z	182.861° SSW
12 mins	2026-05-10 09:10:03.489Z	353.274° N	2026-05-10 09:16:03.489Z	296.707° NW	27.481°	2026-05-10 09:22:03.489Z	246.119° WSW

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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, 42577 on other resources

View DELTA 1 DEB, 42577 on Heavens-Above

View DELTA 1 DEB, 42577 on Keep Track

View DELTA 1 DEB, 42577 on Celestrak

View DELTA 1 DEB, 42577 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, 42577

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 6 days ago

TLE from 6 days ago

TLE epoch observation values (Epoch: 2026-05-03T12:22:05.860Z)

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, 42577 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 6 days ago