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, 0.050 m

Radar Cross Section

Medium (>0.1 m² and <1 m²)

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Last TLE update: 1 day ago

TLE from 1 day ago

0 DELTA 1 DEB
1 13529U 76077EB  26302.63886688 -.00000003  00000-0  47464-3 0  9995
2 13529 101.8392 345.0589 0382620 145.1157   6.2648 11.66126994957557

Epoch: 2026-10-29T15:19Z

TLE epoch observation values (Epoch: 2026-10-29T15:19:58.098Z)

Latitude

27.50795°

Longitude

-96.66756°

Altitude

1,526.845 km

Speed

7.238 km/s

True Right ascension

11h 25m 10s

True Declination

27° 22' 52"

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

20:57:04

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

2,148.041 km

Perigee altitude

1,519.628 km

Semi-major axis

8,211.972 km

Eccentricity

0.03826

Inclination

101.8392°

RAAN

345.0589°

Arg. of periapsis

145.1157°

True anomaly

6.76708°

Mean anomaly

6.2648°

Eccentric anomaly

6.51348°

Mean motion

2.91657 °/min

Orbital period

123.43 mins

BSTAR

0.00047464

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

DELTA 1 DEB, 40770

DELTA 1 DEB, 10718

DELTA 1 DEB, 16997 (Decayed)

DELTA 1 DEB, 18677 (Decayed)

DELTA 1 DEB, 18600

DELTA 1 DEB, 18540

DELTA 1 DEB, 16999 (Decayed)

DELTA 1 DEB, 48088

DELTA 1 DEB, 18232

DELTA 1 DEB, 12541 (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.
18 mins	2026-10-31 01:36:04.327Z	128.369° SE	2026-10-31 01:45:04.327Z	64.21° ENE	46.794°	2026-10-31 01:54:04.327Z	353.733° N
18 mins	2026-10-31 03:37:04.327Z	190.145° SSW	2026-10-31 03:46:04.327Z	258.764° W	47.963°	2026-10-31 03:55:04.327Z	330.314° NNW
12 mins	2026-10-31 14:33:04.327Z	49.132° ENE	2026-10-31 14:38:04.327Z	93.099° ESE	27.022°	2026-10-31 14:45:04.327Z	149.432° SSE
15 mins	2026-10-31 16:33:04.327Z	8.477° NNE	2026-10-31 16:40:04.327Z	289.23° WNW	61.439°	2026-10-31 16:48:04.327Z	216.795° SW
5 mins	2026-10-31 18:37:04.327Z	331.794° NNW	2026-10-31 18:39:04.327Z	317.221° NNW	13.122°	2026-10-31 18:42:04.327Z	295.584° NW
10 mins	2026-11-01 00:22:04.327Z	80.327° E	2026-11-01 00:27:04.327Z	47.686° ENE	18.942°	2026-11-01 00:32:04.327Z	13.672° NNE

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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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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: 1 day ago

TLE from 1 day ago

TLE epoch observation values (Epoch: 2026-10-29T15:19:58.098Z)

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: 1 day ago