DELTA 1 DEB, 21678

Orbit data source: Space-Track

DELTA 1 DEB, 21678 is space debris in SSO originally from a launch on Thu, 12 Jun 1975 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/21678?theme=dark&initialShowStats=false

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Identifier

21678, 1975-052JE

Orbit

SSO

Country

Related business

National Aeronautics and Space Administration (NASA) (US)

Manufacturer

Unknown

Mission

Spacecraft

Bus & Motor

Unknown

Mass

Unknown

Launch date (UTC)

1975-06-12 (51 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 21678U 75052JE  26167.99418563  .00000526  00000-0  10231-2 0  9992
2 21678 100.0230  77.5215 0354601 305.6822  69.6086 13.19930762676481

Epoch: 2026-06-16T23:51Z

TLE epoch observation values (Epoch: 2026-06-16T23:51:37.638Z)

Latitude

18.85113°

Longitude

170.91468°

Altitude

1,102.28 km

Speed

7.344 km/s

True Right ascension

04h 56m 19s

True Declination

18° 45' 04"

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

21:51:42

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,450.433 km

Perigee altitude

914.243 km

Semi-major axis

7,560.475 km

Eccentricity

0.03546

Inclination

100.023°

RAAN

77.5215°

Arg. of periapsis

305.6822°

True anomaly

73.47416°

Mean anomaly

69.6086°

Eccentric anomaly

71.53572°

Mean motion

3.30156 °/min

Orbital period

109.04 mins

BSTAR

0.0010231

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Other satellites on launch #52 in the year 1975 (1975-06-12 UTC)

DELTA 1 DEB, 21456 (Decayed)

DELTA 1 DEB, 42654

DELTA 1 DEB, 42633

DELTA 1 DEB, 21334 (Decayed)

DELTA 1 DEB, 21505 (Decayed)

DELTA 1 DEB, 21350 (Decayed)

DELTA 1 DEB, 21562 (Decayed)

DELTA 1 DEB, 21685 (Decayed)

DELTA 1 DEB, 21376 (Decayed)

DELTA 1 DEB, 37629 (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.
8 mins	2026-06-18 15:58:21.933Z	88.261° E	2026-06-18 16:02:21.933Z	53.808° ENE	16.447°	2026-06-18 16:06:21.933Z	19.992° NNE
13 mins	2026-06-18 17:43:21.933Z	157.978° S	2026-06-18 17:48:21.933Z	111.121° ESE	44.567°	2026-06-18 17:56:21.933Z	346.663° N
7 mins	2026-06-18 19:34:21.933Z	245.908° WSW	2026-06-18 19:37:21.933Z	274.957° WNW	16.474°	2026-06-18 19:41:21.933Z	308.705° NW
9 mins	2026-06-19 05:11:21.933Z	53.287° ENE	2026-06-19 05:15:21.933Z	84.466° E	17.955°	2026-06-19 05:20:21.933Z	125.256° SE
14 mins	2026-06-19 06:57:21.933Z	14.99° NNE	2026-06-19 07:04:21.933Z	210.52° SW	44.93°	2026-06-19 07:11:21.933Z	198.047° SSW
9 mins	2026-06-19 08:46:21.933Z	339.271° N	2026-06-19 08:50:21.933Z	305.417° NW	20.448°	2026-06-19 08:55:21.933Z	264.784° 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, 21678 on other resources

View DELTA 1 DEB, 21678 on Heavens-Above

View DELTA 1 DEB, 21678 on Keep Track

View DELTA 1 DEB, 21678 on Celestrak

View DELTA 1 DEB, 21678 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, 21678

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: 2026-06-16T23:51:37.638Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #52 in the year 1975 (1975-06-12 UTC)

DELTA 1 DEB Visibility forecast

Co-orbital & Co-planar RSOs

Check out DELTA 1 DEB, 21678 on other resources

Documentation

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