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

Medium (>0.1 m² and <1 m²)

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

TLE from 1 day ago

0 DELTA 1 DEB
1 13538U 76077EL  26170.44757613 -.00000008  00000-0  31573-3 0  9991
2 13538 102.0248 157.1175 0109047  89.1221  63.6300 12.22138191 46367

Epoch: 2026-06-19T10:44Z

TLE epoch observation values (Epoch: 2026-06-19T10:44:30.577Z)

Latitude

25.53769°

Longitude

-85.87363°

Altitude

1,548.197 km

Speed

7.112 km/s

True Right ascension

22h 51m 43s

True Declination

25° 25' 03"

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

06:23:05

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,667.631 km

Perigee altitude

1,494.051 km

Semi-major axis

7,958.978 km

Eccentricity

0.0109

Inclination

102.0248°

RAAN

157.1175°

Arg. of periapsis

89.1221°

True anomaly

64.75631°

Mean anomaly

63.63°

Eccentric anomaly

64.19248°

Mean motion

3.05673 °/min

Orbital period

117.77 mins

BSTAR

0.00031573

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

DELTA 1 DEB, 16999 (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.
13 mins	2026-06-20 21:25:29.218Z	112.484° ESE	2026-06-20 21:32:29.218Z	53.839° ENE	27.517°	2026-06-20 21:38:29.218Z	3.205° NNE
15 mins	2026-06-20 23:20:29.218Z	178.825° S	2026-06-20 23:27:29.218Z	262.208° W	41.498°	2026-06-20 23:35:29.218Z	335.613° NNW
15 mins	2026-06-21 11:40:29.218Z	28.271° NE	2026-06-21 11:47:29.218Z	115.537° SE	41.087°	2026-06-21 11:55:29.218Z	183.341° SSW
13 mins	2026-06-21 13:36:29.218Z	354.26° N	2026-06-21 13:42:29.218Z	298.927° NW	28.027°	2026-06-21 13:49:29.218Z	244.668° 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, 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: 2026-06-19T10:44:30.577Z)

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