DELTA 1 DEB, 13533

Orbit data source: Space-Track

DELTA 1 DEB, 13533 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/13533?theme=dark&initialShowStats=false

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Identifier

13533, 1976-077EF

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, 1.1 m

Radar Cross Section

Small (<0.1 m²)

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Last TLE update: 1 day ago

TLE from 1 day ago

0 DELTA 1 DEB
1 13533U 76077EF  26032.50574958  .00000020  00000-0  77633-3 0  9999
2 13533 101.8497  12.3279 0359229 138.0014 345.6988 11.74558585 19381

Epoch: 2026-02-01T12:08Z

TLE epoch observation values (Epoch: 2026-02-01T12:08:16.763Z)

Latitude

55.59723°

Longitude

-103.70472°

Altitude

1,521.888 km

Speed

7.232 km/s

True Right ascension

14h 00m 19s

True Declination

55° 27' 08"

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

20:39:53

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

2,088.05 km

Perigee altitude

1,500.883 km

Semi-major axis

8,172.603 km

Eccentricity

0.03592

Inclination

101.8497°

RAAN

12.3279°

Arg. of periapsis

138.0014°

True anomaly

344.63585°

Mean anomaly

345.6988°

Eccentric anomaly

345.17206°

Mean motion

2.93767 °/min

Orbital period

122.55 mins

BSTAR

0.00077633

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

DELTA 1 DEB, 40773

DELTA 1 DEB, 10705 (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	2026-02-02 20:20:28.144Z	98.834° ESE	2026-02-02 20:27:28.144Z	50.959° ENE	22.83°	2026-02-02 20:33:28.144Z	7.295° NNE
18 mins	2026-02-02 22:17:28.144Z	162.128° S	2026-02-02 22:26:28.144Z	265.382° W	44.933°	2026-02-02 22:35:28.144Z	341.776° N
11 mins	2026-02-03 00:22:28.144Z	235.687° WSW	2026-02-03 00:27:28.144Z	268.199° W	17.709°	2026-02-03 00:33:28.144Z	307.805° NW
15 mins	2026-02-03 11:07:28.144Z	24.974° NE	2026-02-03 11:14:28.144Z	93.885° ESE	41.941°	2026-02-03 11:22:28.144Z	184.456° SSW
11 mins	2026-02-03 13:09:28.144Z	349.511° N	2026-02-03 13:14:28.144Z	303.945° NW	25.447°	2026-02-03 13:20:28.144Z	253.416° 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, 13533 on other resources

View DELTA 1 DEB, 13533 on Heavens-Above

View DELTA 1 DEB, 13533 on Keep Track

View DELTA 1 DEB, 13533 on Celestrak

View DELTA 1 DEB, 13533 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, 13533

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: 2026-02-01T12:08:16.763Z)

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, 13533 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 1 day ago