DELTA 1 DEB, 13538

Orbit data source: Space-Track

DELTA 1 DEB, 13538 is space debris in SSO originally from a launch on Thu, 29 Jul 1976 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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https://www.satcat.com/sats-embedded/13538?theme=dark&initialShowStats=false

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Identifier

13538, 1976-077EL

Orbit

SSO

Country

Related business

National Aeronautics and Space Administration (NASA) (US)

Manufacturer

Unknown

Mission

Spacecraft

Bus & Motor

Unknown

Mass

Unknown

Launch date (UTC)

1976-07-29 (50 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: 1 day ago

TLE from 1 day ago

0 DELTA 1 DEB
1 13538U 76077EL  26039.47498115  .00000064  00000-0  98485-3 0  9993
2 13538 102.0173  32.0742 0107962 324.9913 187.6557 12.22118049 30361

Epoch: 2026-02-08T11:23Z

TLE epoch observation values (Epoch: 2026-02-08T11:23:58.371Z)

Latitude

26.89911°

Longitude

-91.33284°

Altitude

1,671.492 km

Speed

7.003 km/s

True Right ascension

14h 32m 58s

True Declination

26° 46' 35"

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

21:16:38

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,666.856 km

Perigee altitude

1,495.001 km

Semi-major axis

7,959.065 km

Eccentricity

0.0108

Inclination

102.0173°

RAAN

32.0742°

Arg. of periapsis

324.9913°

True anomaly

187.49306°

Mean anomaly

187.6557°

Eccentric anomaly

187.57417°

Mean motion

3.05668 °/min

Orbital period

117.77 mins

BSTAR

0.00098485

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Other satellites on launch #77 in the year 1976 (1976-07-29 UTC)

DELTA 1 DEB, 16999 (Decayed)

DELTA 1 DEB, 16997 (Decayed)

DELTA 1 DEB, 10831

DELTA 1 DEB, 40773

DELTA 1 DEB *, 18466 (Decayed)

DELTA 1 DEB, 40772

DELTA 1 DEB, 40759

DELTA 1 DEB, 10827 (Decayed)

DELTA 1 DEB, 40755

DELTA 1 DEB, 40753

DELTA 1 DEB, 10839 (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.
16 mins	2026-02-09 22:02:35.720Z	126.343° SE	2026-02-09 22:10:35.720Z	57.548° ENE	33.989°	2026-02-09 22:18:35.720Z	354.241° N
14 mins	2026-02-09 23:59:35.720Z	194.152° SSW	2026-02-10 00:05:35.720Z	255.085° W	36°	2026-02-10 00:13:35.720Z	329.291° NNW
9 mins	2026-02-10 10:25:35.720Z	59.858° ENE	2026-02-10 10:29:35.720Z	87.718° E	16.129°	2026-02-10 10:34:35.720Z	122.436° SE
17 mins	2026-02-10 12:18:35.720Z	19.922° NNE	2026-02-10 12:26:35.720Z	110.41° ESE	44.746°	2026-02-10 12:35:35.720Z	195.991° SSW
12 mins	2026-02-10 14:15:35.720Z	350.363° N	2026-02-10 14:20:35.720Z	311.881° NW	23.824°	2026-02-10 14:27:35.720Z	259.063° W

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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, 13538 on other resources

View DELTA 1 DEB, 13538 on Heavens-Above

View DELTA 1 DEB, 13538 on Keep Track

View DELTA 1 DEB, 13538 on Celestrak

View DELTA 1 DEB, 13538 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, 13538

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 1 day ago

TLE from 1 day ago

TLE epoch observation values (Epoch: 2026-02-08T11:23:58.371Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #77 in the year 1976 (1976-07-29 UTC)

DELTA 1 DEB Visibility forecast

Co-orbital & Co-planar RSOs

Check out DELTA 1 DEB, 13538 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 1 day ago