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

Small (<0.1 m²)

Expand to show TLE details & history
Last TLE update: 15 hours ago

TLE from 15 hours ago

0 DELTA 1 DEB
1 12536U 76077DR  26070.50738492  .00000070  00000-0  12443-2 0  9990
2 12536 101.7568 175.6094 0478355  18.3683  40.9868 11.79451269 42354

Epoch: 2026-03-11T12:10Z

TLE epoch observation values (Epoch: 2026-03-11T12:10:38.057Z)

Latitude

60.92532°

Longitude

161.91215°

Altitude

1,498.448 km

Speed

7.245 km/s

True Right ascension

10h 14m 57s

True Declination

60° 47' 34"

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

07:34:25

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

2,161.685 km

Perigee altitude

1,381.97 km

Semi-major axis

8,149.964 km

Eccentricity

0.04784

Inclination

101.7568°

RAAN

175.6094°

Arg. of periapsis

18.3683°

True anomaly

44.74895°

Mean anomaly

40.9868°

Eccentric anomaly

42.85078°

Mean motion

2.94992 °/min

Orbital period

122.04 mins

BSTAR

0.0012443

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

DELTA 1 DEB, 19858 (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.
7 mins	2026-03-12 04:21:43.870Z	72.008° E	2026-03-12 04:25:43.870Z	41.39° NE	13.733°	2026-03-12 04:28:43.870Z	19.342° NNE
14 mins	2026-03-12 06:16:43.870Z	146.758° SSE	2026-03-12 06:23:43.870Z	52.119° ENE	42.719°	2026-03-12 06:30:43.870Z	348.341° N
10 mins	2026-03-12 08:19:43.870Z	228.779° WSW	2026-03-12 08:23:43.870Z	264.645° W	20.413°	2026-03-12 08:29:43.870Z	314.119° NW
19 mins	2026-03-12 19:00:43.870Z	31.227° NE	2026-03-12 19:09:43.870Z	109.19° ESE	37.367°	2026-03-12 19:19:43.870Z	173.643° S
18 mins	2026-03-12 21:00:43.870Z	3.24° NNE	2026-03-12 21:08:43.870Z	296.739° NW	36.406°	2026-03-12 21:18:43.870Z	230.369° WSW
4 mins	2026-03-12 23:04:43.870Z	326.646° NNW	2026-03-12 23:05:43.870Z	320.567° NNW	11.358°	2026-03-12 23:08:43.870Z	303.144° NW

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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: 15 hours ago

TLE from 15 hours ago

TLE epoch observation values (Epoch: 2026-03-11T12:10:38.057Z)

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: 15 hours ago