DELTA 1 DEB, 21677

Orbit data source: Space-Track

DELTA 1 DEB, 21677 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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Iframe URL

https://www.satcat.com/sats-embedded/21677?theme=dark&initialShowStats=false

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Identifier

21677, 1975-052JD

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

Small (<0.1 m²)

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

TLE from 3 days ago

0 DELTA 1 DEB
1 21677U 75052JD  25351.97769455  .00000128  00000-0  50933-3 0  9994
2 21677  99.8907 141.9083 0479144 211.9714 279.0892 12.71886234604972

Epoch: 2025-12-17T23:27Z

TLE epoch observation values (Epoch: 2025-12-17T23:27:52.809Z)

Latitude

53.32573°

Longitude

-103.42924°

Altitude

1,341.693 km

Speed

7.211 km/s

True Right ascension

22h 21m 31s

True Declination

53° 10' 24"

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

10:43:44

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,743.001 km

Perigee altitude

1,000.346 km

Semi-major axis

7,749.81 km

Eccentricity

0.04791

Inclination

99.8907°

RAAN

141.9083°

Arg. of periapsis

211.9714°

True anomaly

273.6241°

Mean anomaly

279.0892°

Eccentric anomaly

276.36081°

Mean motion

3.18131 °/min

Orbital period

113.16 mins

BSTAR

0.00050933

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Other satellites on launch #52 in the year 1975 (1975-06-12 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.
7 mins	2025-12-20 21:19:56.528Z	55.242° ENE	2025-12-20 21:23:56.528Z	89.284° E	14.18°	2025-12-20 21:26:56.528Z	116.217° SE
12 mins	2025-12-20 23:09:56.528Z	13.868° NNE	2025-12-20 23:15:56.528Z	347.296° N	44.702°	2025-12-20 23:21:56.528Z	199.281° SSW
7 mins	2025-12-21 01:02:56.528Z	338.152° N	2025-12-21 01:05:56.528Z	313.168° NW	16.245°	2025-12-21 01:09:56.528Z	276.912° WNW
12 mins	2025-12-21 08:07:56.528Z	96.488° ESE	2025-12-21 08:13:56.528Z	53.09° ENE	22.296°	2025-12-21 08:19:56.528Z	10.418° NNE
17 mins	2025-12-21 09:55:56.528Z	161.317° S	2025-12-21 10:03:56.528Z	44.491° NE	44.987°	2025-12-21 10:12:56.528Z	345.55° N

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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, 21677 on other resources

View DELTA 1 DEB, 21677 on Heavens-Above

View DELTA 1 DEB, 21677 on Keep Track

View DELTA 1 DEB, 21677 on Celestrak

View DELTA 1 DEB, 21677 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, 21677

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 3 days ago

TLE from 3 days ago

TLE epoch observation values (Epoch: 2025-12-17T23:27:52.809Z)

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, 21677 on other resources

Documentation

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