DELTA 1 DEB, 13529

Orbit data source: Space-Track

DELTA 1 DEB, 13529 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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https://www.satcat.com/sats-embedded/13529?theme=dark&initialShowStats=false

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Identifier

13529, 1976-077EB

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: 11 hours ago

TLE from 11 hours ago

0 DELTA 1 DEB
1 13529U 76077EB  26070.75077043  .00000103  00000-0  21262-2 0  9994
2 13529 101.8599 148.8663 0384838 162.1817 324.1645 11.66129883930520

Epoch: 2026-03-11T18:01Z

TLE epoch observation values (Epoch: 2026-03-11T18:01:06.565Z)

Latitude

54.63782°

Longitude

-93.69557°

Altitude

1,592.997 km

Speed

7.186 km/s

True Right ascension

23h 03m 58s

True Declination

54° 29' 33"

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

09:27:22

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

2,149.85 km

Perigee altitude

1,517.795 km

Semi-major axis

8,211.959 km

Eccentricity

0.03848

Inclination

101.8599°

RAAN

148.8663°

Arg. of periapsis

162.1817°

True anomaly

321.47906°

Mean anomaly

324.1645°

Eccentric anomaly

322.83238°

Mean motion

2.91657 °/min

Orbital period

123.43 mins

BSTAR

0.0021262

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

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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.
19 mins	2026-03-12 05:43:23.106Z	187.067° SSW	2026-03-12 05:53:23.106Z	259.979° W	37.702°	2026-03-12 06:02:23.106Z	330.467° NNW
12 mins	2026-03-12 16:40:23.106Z	46.992° ENE	2026-03-12 16:46:23.106Z	98.4° ESE	23.76°	2026-03-12 16:52:23.106Z	146.165° SSE
15 mins	2026-03-12 18:40:23.106Z	9.926° NNE	2026-03-12 18:47:23.106Z	305.556° NW	41.739°	2026-03-12 18:55:23.106Z	216.334° SW
6 mins	2026-03-12 20:44:23.106Z	335.005° NNW	2026-03-12 20:46:23.106Z	320.723° NNW	13.635°	2026-03-12 20:50:23.106Z	291.922° WNW
11 mins	2026-03-13 02:29:23.106Z	79.468° E	2026-03-13 02:34:23.106Z	48.024° ENE	18.487°	2026-03-13 02:40:23.106Z	9.482° NNE
19 mins	2026-03-13 04:24:23.106Z	147.34° SSE	2026-03-13 04:33:23.106Z	82.354° E	43.514°	2026-03-13 04:43:23.106Z	346.907° N

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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, 13529 on other resources

View DELTA 1 DEB, 13529 on Heavens-Above

View DELTA 1 DEB, 13529 on Keep Track

View DELTA 1 DEB, 13529 on Celestrak

View DELTA 1 DEB, 13529 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, 13529

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 11 hours ago

TLE from 11 hours ago

TLE epoch observation values (Epoch: 2026-03-11T18:01:06.565Z)

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, 13529 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 11 hours ago