DELTA 1 DEB, 13537

Orbit data source: Space-Track

DELTA 1 DEB, 13537 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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Iframe URL

https://www.satcat.com/sats-embedded/13537?theme=dark&initialShowStats=false

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Identifier

13537, 1976-077EK

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)

Expand to show TLE details & history
Last TLE update: 16 hours ago

TLE from 16 hours ago

0 DELTA 1 DEB
1 13537U 76077EK  26080.92229513 -.00000026  00000-0  16921-3 0  9996
2 13537 102.5480  66.2935 0075498  88.3853 286.6844 12.27241278122560

Epoch: 2026-03-21T22:08Z

TLE epoch observation values (Epoch: 2026-03-21T22:08:06.299Z)

Latitude

13.86573°

Longitude

-88.30289°

Altitude

1,546.151 km

Speed

7.102 km/s

True Right ascension

04h 12m 38s

True Declination

13° 47' 38"

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

19:17:44

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,618.703 km

Perigee altitude

1,498.859 km

Semi-major axis

7,936.918 km

Eccentricity

0.00755

Inclination

102.548°

RAAN

66.2935°

Arg. of periapsis

88.3853°

True anomaly

285.85346°

Mean anomaly

286.6844°

Eccentric anomaly

286.26915°

Mean motion

3.06948 °/min

Orbital period

117.28 mins

BSTAR

0.00016921

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

DELTA 1 DEB, 18677 (Decayed)

DELTA 1 DEB, 10705 (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.
9 mins	2026-03-22 14:18:48.976Z	345.19° N	2026-03-22 14:22:48.976Z	315.285° NNW	16.422°	2026-03-22 14:27:48.976Z	278.226° WNW
13 mins	2026-03-22 21:40:48.976Z	122.46° SE	2026-03-22 21:46:48.976Z	61.899° ENE	34.86°	2026-03-22 21:53:48.976Z	355.962° N
15 mins	2026-03-22 23:34:48.976Z	192.621° SSW	2026-03-22 23:41:48.976Z	258.617° W	34.55°	2026-03-22 23:49:48.976Z	328.753° NNW
6 mins	2026-03-23 09:59:48.976Z	69.753° E	2026-03-23 10:02:48.976Z	92.008° ESE	13.747°	2026-03-23 10:05:48.976Z	113.791° SE
15 mins	2026-03-23 11:51:48.976Z	22.16° NNE	2026-03-23 11:58:48.976Z	110.554° ESE	44.422°	2026-03-23 12:06:48.976Z	194.231° SSW
11 mins	2026-03-23 13:47:48.976Z	350.369° N	2026-03-23 13:52:48.976Z	308.283° NW	23.311°	2026-03-23 13:58:48.976Z	259.811° 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, 13537 on other resources

View DELTA 1 DEB, 13537 on Heavens-Above

View DELTA 1 DEB, 13537 on Keep Track

View DELTA 1 DEB, 13537 on Celestrak

View DELTA 1 DEB, 13537 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, 13537

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 16 hours ago

TLE from 16 hours ago

TLE epoch observation values (Epoch: 2026-03-21T22:08:06.299Z)

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, 13537 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 16 hours ago