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)

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Last TLE update: 2 days ago

TLE from 2 days ago

0 DELTA 1 DEB
1 42577U 73086HR  26263.01477437  .00000292  00000-0  16189-2 0  9991
2 42577 101.2357 182.3627 0081193  44.6843 316.0748 12.72308482 54360

Epoch: 2026-09-20T00:21Z

TLE epoch observation values (Epoch: 2026-09-20T00:21:16.505Z)

Latitude

0.00001°

Longitude

178.1289°

Altitude

1,330.089 km

Speed

7.213 km/s

True Right ascension

12h 09m 27s

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

13:48:55

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,432.948 km

Perigee altitude

1,307.128 km

Semi-major axis

7,748.175 km

Eccentricity

0.00812

Inclination

101.2357°

RAAN

182.3627°

Arg. of periapsis

44.6843°

True anomaly

315.42462°

Mean anomaly

316.0748°

Eccentric anomaly

315.75019°

Mean motion

3.18232 °/min

Orbital period

113.12 mins

BSTAR

0.0016189

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

DELTA 1 DEB, 42582

DELTA 1 DEB, 7206 (Decayed)

DELTA 1 DEB, 7208 (Decayed)

DELTA 1 DEB, 7179

DELTA 1 DEB, 7038

DELTA 1 DEB, 7045

DELTA 1 DEB, 9700 (Decayed)

DELTA 1 DEB, 18647

DELTA 1 DEB, 18671

DELTA 1 DEB, 48086

DELTA 1 DEB, 18511 (Decayed)

DELTA 1 DEB, 19033

DELTA 1 DEB, 7197 (Decayed)

DELTA 1 DEB, 7205 (Decayed)

DELTA 1 DEB, 7207 (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.
8 mins	2026-09-22 05:52:26.884Z	60.817° ENE	2026-09-22 05:56:26.884Z	92.863° ESE	15.579°	2026-09-22 06:00:26.884Z	123.55° SE
14 mins	2026-09-22 07:41:26.884Z	17.931° NNE	2026-09-22 07:48:26.884Z	141.017° SSE	85.01°	2026-09-22 07:55:26.884Z	196.585° SSW
9 mins	2026-09-22 09:34:26.884Z	342.274° N	2026-09-22 09:38:26.884Z	307.066° NW	21.452°	2026-09-22 09:43:26.884Z	264.915° W
8 mins	2026-09-22 16:43:26.884Z	82.771° E	2026-09-22 16:46:26.884Z	55.453° ENE	19.468°	2026-09-22 16:51:26.884Z	13.064° NNE
14 mins	2026-09-22 18:30:26.884Z	161.675° S	2026-09-22 18:36:26.884Z	167.594° S	81.227°	2026-09-22 18:44:26.884Z	343.283° N
6 mins	2026-09-22 20:26:26.884Z	247.161° WSW	2026-09-22 20:29:26.884Z	273.054° WNW	15.372°	2026-09-22 20:32:26.884Z	297.894° NW

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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: 2 days ago

TLE from 2 days ago

TLE epoch observation values (Epoch: 2026-09-20T00:21:16.505Z)

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