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

Small (<0.1 m²)

Expand to show TLE details & history
Last TLE update: 3 weeks ago

TLE from 3 weeks ago

0 DELTA 1 DEB
1 18429U 76077EZ  26101.11513660 -.00000102  00000-0 -61554-3 0  9993
2 18429 102.4847 153.5852 0227020 312.3538  71.9787 12.06398710607592

Epoch: 2026-04-11T02:45Z

TLE epoch observation values (Epoch: 2026-04-11T02:45:47.802Z)

Latitude

26.17787°

Longitude

-93.42133°

Altitude

1,602.521 km

Speed

7.094 km/s

True Right ascension

09h 49m 28s

True Declination

26° 03' 23"

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

16:51:35

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,832.239 km

Perigee altitude

1,467.73 km

Semi-major axis

8,028.121 km

Eccentricity

0.0227

Inclination

102.4847°

RAAN

153.5852°

Arg. of periapsis

312.3538°

True anomaly

74.47365°

Mean anomaly

71.9787°

Eccentric anomaly

73.22407°

Mean motion

3.01733 °/min

Orbital period

119.31 mins

BSTAR

-0.00061554

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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.
15 mins	2026-05-01 14:52:47.470Z	42.465° NE	2026-05-01 14:59:47.470Z	91.113° ESE	24.804°	2026-05-01 15:07:47.470Z	148.382° SSE
18 mins	2026-05-01 16:48:47.470Z	14.191° NNE	2026-05-01 16:57:47.470Z	290.271° WNW	43.854°	2026-05-01 17:06:47.470Z	211.163° SW
11 mins	2026-05-01 18:47:47.470Z	348.592° N	2026-05-01 18:52:47.470Z	314.93° NW	19.276°	2026-05-01 18:58:47.470Z	275.155° WNW
6 mins	2026-05-02 00:25:47.470Z	55.835° ENE	2026-05-02 00:28:47.470Z	36.424° NE	13.599°	2026-05-02 00:31:47.470Z	17.739° NNE
16 mins	2026-05-02 02:15:47.470Z	129.193° SE	2026-05-02 02:22:47.470Z	62.806° ENE	38.455°	2026-05-02 02:31:47.470Z	350.893° N
16 mins	2026-05-02 04:12:47.470Z	199.071° SSW	2026-05-02 04:19:47.470Z	260.257° W	33.329°	2026-05-02 04:28:47.470Z	328.303° 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: 3 weeks ago

TLE from 3 weeks ago

TLE epoch observation values (Epoch: 2026-04-11T02:45:47.802Z)

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: 3 weeks ago