DELTA 1 DEB, 21386

Orbit data source: Space-Track

DELTA 1 DEB, 21386 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.

Loading next visibility...

Iframe embed code

<iframe src="https://www.satcat.com/sats-embedded/21386?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

https://www.satcat.com/sats-embedded/21386?theme=dark&initialShowStats=false

Optional secondary NORAD IDs

Max 10 NORAD IDs; Separated by commas

Initial load time (optional)

ISO8601 Format

TLE date request (optional)

ISO8601 Format

Identifier

21386, 1975-052DG

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)

Expand to show TLE details & history
Last TLE update: 9 hours ago

TLE from 9 hours ago

0 DELTA 1 DEB
1 21386U 75052DG  26242.37243353  .00000168  00000-0  40923-3 0  9991
2 21386  99.5600 282.8877 0180612  38.7598  27.1608 13.29346698702690

Epoch: 2026-08-30T08:56Z

TLE epoch observation values (Epoch: 2026-08-30T08:56:18.256Z)

Latitude

65.17326°

Longitude

149.00967°

Altitude

1,039.938 km

Speed

7.396 km/s

True Right ascension

17h 26m 37s

True Declination

65° 02' 49"

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

09:51:28

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,282.454 km

Perigee altitude

1,010.644 km

Semi-major axis

7,524.686 km

Eccentricity

0.01806

Inclination

99.56°

RAAN

282.8877°

Arg. of periapsis

38.7598°

True anomaly

28.12488°

Mean anomaly

27.1608°

Eccentric anomaly

27.64089°

Mean motion

3.32514 °/min

Orbital period

108.27 mins

BSTAR

0.00040923

Loading maneuver chart data...

Computing Atmospheric mass density...

Loading historical data...

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

DELTA 1 DEB, 21563 (Decayed)

DELTA 1 DEB, 21679 (Decayed)

DELTA 1 DEB, 21515

DELTA 1 DEB, 21275

DELTA 1 DEB, 21278

DELTA 1 DEB, 21503 (Decayed)

DELTA 1 DEB, 21494 (Decayed)

DELTA 1 DEB, 26836

Did you know?

You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.

Click here to try in Sandbox

DELTA 1 DEB Visibility forecast

Loading observer location...
Set Observer location

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.
6 mins	2026-08-31 01:03:08.014Z	90.031° ESE	2026-08-31 01:06:08.014Z	59.326° ENE	15.851°	2026-08-31 01:09:08.014Z	27.792° NE
11 mins	2026-08-31 02:47:08.014Z	168.881° S	2026-08-31 02:52:08.014Z	229.232° WSW	44.497°	2026-08-31 02:58:08.014Z	342.988° N
7 mins	2026-08-31 14:10:08.014Z	65.201° ENE	2026-08-31 14:13:08.014Z	95.25° ESE	17.365°	2026-08-31 14:17:08.014Z	130.509° SE
12 mins	2026-08-31 15:55:08.014Z	10.024° NNE	2026-08-31 16:00:08.014Z	282.188° WNW	44.339°	2026-08-31 16:07:08.014Z	202.761° SW
5 mins	2026-08-31 17:44:08.014Z	320.648° NNW	2026-08-31 17:46:08.014Z	301.754° NW	14.019°	2026-08-31 17:49:08.014Z	275.854° WNW

Items per page:

1–5 of 5 items

of 1 page

Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

Please sign in to view Co-orbital & Co-planar RSOs.

Click to sort rows by RSO header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Type header in ascending order	Click to sort rows by Inclination Δ header in ascending order	Click to sort rows by RAAN Δ header in ascending order	Click to sort rows by Coplanar Angle header in ascending order	Click to sort rows by SMA Δ header in ascending order	Click to sort rows by Orbital period header in ascending order	Click to sort rows by <5km Md TCA header in descending order

CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

Authenticating...

Click to sort rows by Secondary header in ascending order	Click to sort rows by Secondary name header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Owner header in ascending order	Click to sort rows by Obj. Type header in ascending order	Click to sort rows by Miss dist. header in ascending order	Click to sort rows by Rel. speed header in ascending order	Click to sort rows by Apr. angle header in ascending order	Click to sort rows by TCA header in descending order

Check out DELTA 1 DEB, 21386 on other resources

View DELTA 1 DEB, 21386 on Heavens-Above

View DELTA 1 DEB, 21386 on Keep Track

View DELTA 1 DEB, 21386 on Celestrak

View DELTA 1 DEB, 21386 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, 21386

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 9 hours ago

TLE from 9 hours ago

TLE epoch observation values (Epoch: 2026-08-30T08:56:18.256Z)

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, 21386 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 9 hours ago