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, 0.054 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 42577U 73086HR  26307.59842670  .00000229  00000-0  13176-2 0  9991
2 42577 101.2394 226.0977 0081250 317.5805  41.9019 12.72340866 60037

Epoch: 2026-11-03T14:21Z

TLE epoch observation values (Epoch: 2026-11-03T14:21:44.066Z)

Latitude

-0.00001°

Longitude

-32.1947°

Altitude

1,328.395 km

Speed

7.215 km/s

True Right ascension

15h 04m 23s

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

18:48:55

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,432.86 km

Perigee altitude

1,306.954 km

Semi-major axis

7,748.044 km

Eccentricity

0.00813

Inclination

101.2394°

RAAN

226.0977°

Arg. of periapsis

317.5805°

True anomaly

42.52844°

Mean anomaly

41.9019°

Eccentric anomaly

42.21469°

Mean motion

3.1824 °/min

Orbital period

113.12 mins

BSTAR

0.0013176

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

DELTA 1 DEB, 9835

DELTA 1 DEB, 7077 (Decayed)

DELTA 1 DEB, 7199 (Decayed)

DELTA 1 DEB, 7047 (Decayed)

DELTA 1 DEB, 42581

DELTA 1 DEB, 42587

DELTA 1 DEB, 42582

DELTA 1 DEB, 7062 (Decayed)

DELTA 1 DEB, 42580 (Decayed)

DELTA 1 DEB *, 7144 (Decayed)

DELTA 1 DEB *, 10395 (Decayed)

DELTA 1 DEB, 42578

DELTA 1 DEB, 7159 (Decayed)

DELTA 1 DEB, 7067 (Decayed)

DELTA 1 DEB, 7070 (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.
15 mins	2026-11-06 07:08:41.063Z	26.343° NE	2026-11-06 07:15:41.063Z	92.966° ESE	56.426°	2026-11-06 07:23:41.063Z	179.095° S
13 mins	2026-11-06 09:00:41.063Z	356.243° N	2026-11-06 09:06:41.063Z	302.011° NW	33.888°	2026-11-06 09:13:41.063Z	241.421° WSW
5 mins	2026-11-06 16:12:41.063Z	61.967° ENE	2026-11-06 16:14:41.063Z	46.39° ENE	13.01°	2026-11-06 16:17:41.063Z	23.807° NE
14 mins	2026-11-06 17:57:41.063Z	141.701° SSE	2026-11-06 18:04:41.063Z	51.356° ENE	59.12°	2026-11-06 18:11:41.063Z	350.894° N
11 mins	2026-11-06 19:50:41.063Z	215.788° SW	2026-11-06 19:55:41.063Z	263.528° W	28.268°	2026-11-06 20:01:41.063Z	317.798° 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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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: 2 days ago

TLE from 2 days ago

TLE epoch observation values (Epoch: 2026-11-03T14:21:44.066Z)

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: 2 days ago