DELTA 1 DEB, 21317

Orbit data source: Space-Track

DELTA 1 DEB, 21317 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/21317?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

21317, 1975-052AK

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: 2 days ago

TLE from 2 days ago

0 DELTA 1 DEB
1 21317U 75052AK  26019.49129308  .00002238  00000-0  37758-2 0  9994
2 21317 100.1006 318.3877 0218440 321.5231 101.3157 13.37910175660576

Epoch: 2026-01-19T11:47Z

TLE epoch observation values (Epoch: 2026-01-19T11:47:27.722Z)

Latitude

63.50449°

Longitude

1.8086°

Altitude

1,163.447 km

Speed

7.26 km/s

True Right ascension

19h 50m 14s

True Declination

63° 22' 28"

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

16:11:10

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,278.078 km

Perigee altitude

950.743 km

Semi-major axis

7,492.548 km

Eccentricity

0.02184

Inclination

100.1006°

RAAN

318.3877°

Arg. of periapsis

321.5231°

True anomaly

103.75636°

Mean anomaly

101.3157°

Eccentric anomaly

102.53742°

Mean motion

3.34656 °/min

Orbital period

107.57 mins

BSTAR

0.0037758

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

DELTA 1 DEB, 7965 (Decayed)

DELTA 1 DEB, 21340 (Decayed)

DELTA 1 DEB, 21600 (Decayed)

DELTA 1 DEB, 21335 (Decayed)

DELTA 1 DEB, 21683 (Decayed)

DELTA 1 DEB, 21544 (Decayed)

DELTA 1 DEB, 21569 (Decayed)

DELTA 1 DEB, 21495 (Decayed)

DELTA 1 DEB, 21383

DELTA 1 DEB, 21377

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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.
11 mins	2026-01-21 19:13:40.245Z	144.095° SSE	2026-01-21 19:18:40.245Z	72.607° E	40.924°	2026-01-21 19:24:40.245Z	353.35° N
8 mins	2026-01-21 21:01:40.245Z	227.458° WSW	2026-01-21 21:05:40.245Z	272.859° WNW	20.926°	2026-01-21 21:09:40.245Z	312.542° NW
13 mins	2026-01-22 08:16:40.245Z	25.958° NE	2026-01-22 08:22:40.245Z	96.841° ESE	40.504°	2026-01-22 08:29:40.245Z	179.191° S
10 mins	2026-01-22 10:03:40.245Z	347.405° N	2026-01-22 10:08:40.245Z	294.212° NW	26.828°	2026-01-22 10:13:40.245Z	246.552° WSW

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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, 21317 on other resources

View DELTA 1 DEB, 21317 on Heavens-Above

View DELTA 1 DEB, 21317 on Keep Track

View DELTA 1 DEB, 21317 on Celestrak

View DELTA 1 DEB, 21317 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, 21317

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 2 days ago

TLE from 2 days ago

TLE epoch observation values (Epoch: 2026-01-19T11:47:27.722Z)

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, 21317 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 2 days ago