DELTA 1 DEB, 18429

Orbit data source: Space-Track

DELTA 1 DEB, 18429 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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https://www.satcat.com/sats-embedded/18429?theme=dark&initialShowStats=false

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Identifier

18429, 1976-077EZ

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, 0.1 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 18429U 76077EZ  26255.10370720 -.00000165  00000-0 -13052-2 0  9998
2 18429 102.4720 301.6698 0228455  49.7142 337.7495 12.06423836626162

Epoch: 2026-09-12T02:29Z

TLE epoch observation values (Epoch: 2026-09-12T02:29:20.302Z)

Latitude

25.80813°

Longitude

-92.89221°

Altitude

1,485.782 km

Speed

7.198 km/s

True Right ascension

19h 42m 14s

True Declination

25° 41' 10"

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

02:28:41

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,833.276 km

Perigee altitude

1,466.468 km

Semi-major axis

8,028.009 km

Eccentricity

0.02285

Inclination

102.472°

RAAN

301.6698°

Arg. of periapsis

49.7142°

True anomaly

336.73139°

Mean anomaly

337.7495°

Eccentric anomaly

337.24317°

Mean motion

3.01739 °/min

Orbital period

119.31 mins

BSTAR

-0.0013052

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

DELTA 1 R/B, 9063

DELTA 1 DEB, 10651 (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.
14 mins	2026-09-13 14:49:31.072Z	43.537° NE	2026-09-13 14:56:31.072Z	100.592° ESE	29.607°	2026-09-13 15:03:31.072Z	151.906° SSE
16 mins	2026-09-13 16:46:31.072Z	10.242° NNE	2026-09-13 16:53:31.072Z	294.888° NW	65.797°	2026-09-13 17:02:31.072Z	215.489° SW
8 mins	2026-09-13 18:45:31.072Z	338.856° N	2026-09-13 18:48:31.072Z	317.12° NNW	15.87°	2026-09-13 18:53:31.072Z	282.765° WNW
14 mins	2026-09-14 02:14:31.072Z	134.021° SE	2026-09-14 02:20:31.072Z	66.868° ENE	55.358°	2026-09-14 02:28:31.072Z	350.164° N
12 mins	2026-09-14 04:12:31.072Z	210.741° SW	2026-09-14 04:17:31.072Z	256.566° W	31.22°	2026-09-14 04:24:31.072Z	319.609° NNW

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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, 18429 on other resources

View DELTA 1 DEB, 18429 on Heavens-Above

View DELTA 1 DEB, 18429 on Keep Track

View DELTA 1 DEB, 18429 on Celestrak

View DELTA 1 DEB, 18429 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, 18429

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: 2026-09-12T02:29:20.302Z)

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, 18429 on other resources

Documentation

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