DELTA 1 DEB, 12536

Orbit data source: Space-Track

DELTA 1 DEB, 12536 is space debris in LEO 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/12536?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

12536, 1976-077DR

Orbit

LEO

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)

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Last TLE update: 21 hours ago

TLE from 21 hours ago

0 DELTA 1 DEB
1 12536U 76077DR  26255.15477079 -.00002908  00000-0 -31545-1 0  9994
2 12536 101.7686 335.3482 0519597  68.2595 325.1569 11.80140501 64133

Epoch: 2026-09-12T03:42Z

TLE epoch observation values (Epoch: 2026-09-12T03:42:52.196Z)

Latitude

29.18506°

Longitude

-78.18616°

Altitude

1,434.376 km

Speed

7.294 km/s

True Right ascension

21h 54m 47s

True Declination

29° 03' 06"

Sunlit

Object was in full shadow 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

17:33:57

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

2,191.956 km

Perigee altitude

1,345.347 km

Semi-major axis

8,146.788 km

Eccentricity

0.05196

Inclination

101.7686°

RAAN

335.3482°

Arg. of periapsis

68.2595°

True anomaly

321.5664°

Mean anomaly

325.1569°

Eccentric anomaly

323.38111°

Mean motion

2.95164 °/min

Orbital period

121.97 mins

BSTAR

-0.031545

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

DELTA 1 DEB, 18540

DELTA 1 DEB, 10826

DELTA 1 DEB, 40753

DELTA 1 DEB *, 18466 (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	2026-09-13 04:06:14.817Z	122.377° SE	2026-09-13 04:12:14.817Z	66.489° ENE	38.152°	2026-09-13 04:19:14.817Z	358.039° N
13 mins	2026-09-13 06:06:14.817Z	196.152° SSW	2026-09-13 06:12:14.817Z	258.973° W	41.88°	2026-09-13 06:19:14.817Z	327.824° NNW
12 mins	2026-09-13 16:50:14.817Z	52.441° ENE	2026-09-13 16:55:14.817Z	93.035° ESE	24.613°	2026-09-13 17:02:14.817Z	143.393° SSE
16 mins	2026-09-13 18:49:14.817Z	11.164° NNE	2026-09-13 18:55:14.817Z	312.378° NW	71.731°	2026-09-13 19:05:14.817Z	209.568° SW
7 mins	2026-09-13 20:51:14.817Z	332.789° NNW	2026-09-13 20:54:14.817Z	309.369° NW	16.174°	2026-09-13 20:58:14.817Z	281.097° WNW

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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, 12536 on other resources

View DELTA 1 DEB, 12536 on Heavens-Above

View DELTA 1 DEB, 12536 on Keep Track

View DELTA 1 DEB, 12536 on Celestrak

View DELTA 1 DEB, 12536 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, 12536

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 21 hours ago

TLE from 21 hours ago

TLE epoch observation values (Epoch: 2026-09-12T03:42:52.196Z)

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, 12536 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 21 hours ago