DELTA 1 DEB, 21352

Orbit data source: Space-Track

DELTA 1 DEB, 21352 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/21352?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/21352?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

21352, 1975-052BW

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: 8 hours ago

TLE from 8 hours ago

0 DELTA 1 DEB
1 21352U 75052BW  25350.98359323  .00001316  00000-0  27957-2 0  9992
2 21352  99.5330  54.1761 0287073 278.0470 261.2453 13.18293079650077

Epoch: 2025-12-16T23:36Z

TLE epoch observation values (Epoch: 2025-12-16T23:36:22.455Z)

Latitude

3.79731°

Longitude

154.85799°

Altitude

1,232.714 km

Speed

7.22 km/s

True Right ascension

15h 39m 14s

True Declination

3° 46' 34"

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

06:25:31

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,405.799 km

Perigee altitude

971.359 km

Semi-major axis

7,566.716 km

Eccentricity

0.02871

Inclination

99.533°

RAAN

54.1761°

Arg. of periapsis

278.047°

True anomaly

258.01339°

Mean anomaly

261.2453°

Eccentric anomaly

259.62737°

Mean motion

3.29748 °/min

Orbital period

109.17 mins

BSTAR

0.0027957

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, 21440 (Decayed)

DELTA 1 DEB, 37627 (Decayed)

DELTA 1 DEB, 37629 (Decayed)

DELTA 1 DEB, 37628 (Decayed)

DELTA 1 DEB, 21521 (Decayed)

DELTA 1 DEB, 21564 (Decayed)

DELTA 1 DEB, 37630 (Decayed)

DELTA 1 DEB, 21322 (Decayed)

DELTA 1 DEB, 42630

DELTA 1 DEB, 21447 (Decayed)

DELTA 1 DEB, 42646

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.
10 mins	2025-12-17 15:44:13.461Z	47.175° ENE	2025-12-17 15:49:13.461Z	89.07° E	19.91°	2025-12-17 15:54:13.461Z	132.607° SE
13 mins	2025-12-17 17:31:13.461Z	10.602° NNE	2025-12-17 17:37:13.461Z	317.3° NNW	44.089°	2025-12-17 17:44:13.461Z	204.233° SW
8 mins	2025-12-17 19:20:13.461Z	336.684° NNW	2025-12-17 19:24:13.461Z	303.946° NW	16.574°	2025-12-17 19:28:13.461Z	272.238° WNW
6 mins	2025-12-18 02:14:13.461Z	68.335° E	2025-12-18 02:16:13.461Z	51.512° ENE	14.728°	2025-12-18 02:20:13.461Z	20.669° NNE
14 mins	2025-12-18 03:56:13.461Z	150.909° SSE	2025-12-18 04:02:13.461Z	78.488° E	43.221°	2025-12-18 04:10:13.461Z	350.054° N
10 mins	2025-12-18 05:46:13.461Z	227.769° WSW	2025-12-18 05:50:13.461Z	265.307° W	21.459°	2025-12-18 05:56:13.461Z	317.416° NNW

Items per page:

1–6 of 6 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, 21352 on other resources

View DELTA 1 DEB, 21352 on Heavens-Above

View DELTA 1 DEB, 21352 on Keep Track

View DELTA 1 DEB, 21352 on Celestrak

View DELTA 1 DEB, 21352 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, 21352

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 8 hours ago

TLE from 8 hours ago

TLE epoch observation values (Epoch: 2025-12-16T23:36:22.455Z)

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, 21352 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 8 hours ago