DELTA 1 DEB, 12533

Orbit data source: Space-Track

DELTA 1 DEB, 12533 is space debris in SSO 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/12533?theme=dark&initialShowStats=false

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Identifier

12533, 1976-077DN

Orbit

SSO

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, 0.2 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 12533U 76077DN  26104.40984752  .00000207  00000-0  16926-2 0  9998
2 12533 101.7444  71.9485 0062030  43.8753 107.5243 12.47408680148333

Epoch: 2026-04-14T09:50Z

TLE epoch observation values (Epoch: 2026-04-14T09:50:10.825Z)

Latitude

27.3287°

Longitude

-92.04585°

Altitude

1,493.344 km

Speed

7.113 km/s

True Right ascension

17h 12m 20s

True Declination

27° 12' 06"

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

03:36:30

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,521.602 km

Perigee altitude

1,424.202 km

Semi-major axis

7,851.039 km

Eccentricity

0.0062

Inclination

101.7444°

RAAN

71.9485°

Arg. of periapsis

43.8753°

True anomaly

108.20053°

Mean anomaly

107.5243°

Eccentric anomaly

107.86257°

Mean motion

3.11998 °/min

Orbital period

115.39 mins

BSTAR

0.0016926

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

DELTA 1 DEB, 18600

DELTA 1 DEB, 40771

DELTA 1 DEB, 40755

DELTA 1 DEB, 10753 (Decayed)

DELTA 1 DEB, 10839 (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	2026-04-14 22:35:47.428Z	199.684° SSW	2026-04-14 22:41:47.428Z	254.428° W	31.105°	2026-04-14 22:48:47.428Z	323.415° NNW
6 mins	2026-04-15 08:50:47.428Z	71.75° E	2026-04-15 08:52:47.428Z	87.043° E	14.021°	2026-04-15 08:56:47.428Z	116.734° SE
15 mins	2026-04-15 10:40:47.428Z	20.775° NNE	2026-04-15 10:47:47.428Z	129.732° SE	44.476°	2026-04-15 10:55:47.428Z	194.27° SSW
11 mins	2026-04-15 12:34:47.428Z	349.496° N	2026-04-15 12:39:47.428Z	307.735° NW	22.52°	2026-04-15 12:45:47.428Z	259.097° W
10 mins	2026-04-15 19:51:47.428Z	94.361° ESE	2026-04-15 19:56:47.428Z	49.502° ENE	22.005°	2026-04-15 20:01:47.428Z	8.705° 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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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

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Check out DELTA 1 DEB, 12533 on other resources

View DELTA 1 DEB, 12533 on Heavens-Above

View DELTA 1 DEB, 12533 on Keep Track

View DELTA 1 DEB, 12533 on Celestrak

View DELTA 1 DEB, 12533 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, 12533

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: 2026-04-14T09:50:10.825Z)

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, 12533 on other resources

Documentation

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