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)

Expand to show TLE details & history
Last TLE update: 3 days ago

TLE from 3 days ago

0 DELTA 1 DEB
1 12536U 76077DR  26301.18494307  .00001981  00000-0  22760-1 0  9999
2 12536 101.7836  15.2087 0500216 346.3793  37.1991 11.80079230 69564

Epoch: 2026-10-28T04:26Z

TLE epoch observation values (Epoch: 2026-10-28T04:26:19.081Z)

Latitude

26.63971°

Longitude

-93.88508°

Altitude

1,457.345 km

Speed

7.273 km/s

True Right ascension

00h 36m 55s

True Declination

26° 30' 52"

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

20:00:18

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

2,176.464 km

Perigee altitude

1,361.405 km

Semi-major axis

8,147.072 km

Eccentricity

0.05002

Inclination

101.7836°

RAAN

15.2087°

Arg. of periapsis

346.3793°

True anomaly

40.84339°

Mean anomaly

37.1991°

Eccentric anomaly

39.00286°

Mean motion

2.95149 °/min

Orbital period

121.97 mins

BSTAR

0.02276

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

DELTA 1 DEB, 40770

DELTA 1 DEB, 10761 (Decayed)

DELTA 1 DEB, 16997 (Decayed)

DELTA 1 DEB, 18677 (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	2026-10-31 03:37:28.274Z	122.975° SE	2026-10-31 03:45:28.274Z	51.1° ENE	39.344°	2026-10-31 03:53:28.274Z	354.449° N
14 mins	2026-10-31 05:38:28.274Z	194.181° SSW	2026-10-31 05:44:28.274Z	260.93° W	47.472°	2026-10-31 05:52:28.274Z	330.903° NNW
17 mins	2026-10-31 16:23:28.274Z	43.149° NE	2026-10-31 16:31:28.274Z	95.489° ESE	30.494°	2026-10-31 16:40:28.274Z	149.078° SSE
21 mins	2026-10-31 18:21:28.274Z	13.904° NNE	2026-10-31 18:31:28.274Z	288.353° WNW	77.035°	2026-10-31 18:42:28.274Z	209.197° SW
14 mins	2026-10-31 20:22:28.274Z	352.672° N	2026-10-31 20:29:28.274Z	309.539° NW	23.359°	2026-10-31 20:36:28.274Z	269.788° 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, 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: 3 days ago

TLE from 3 days ago

TLE epoch observation values (Epoch: 2026-10-28T04:26:19.081Z)

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: 3 days ago