DELTA 1 DEB, 21347

Orbit data source: Space-Track

DELTA 1 DEB, 21347 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/21347?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/21347?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

21347, 1975-052BR

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 (50 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: 16 hours ago

TLE from 16 hours ago

0 DELTA 1 DEB
1 21347U 75052BR  25336.95175779  .00004885  00000-0  68839-2 0  9996
2 21347  99.4004 125.2137 0389116  55.8517  65.7745 13.30427135638465

Epoch: 2025-12-02T22:50Z

TLE epoch observation values (Epoch: 2025-12-02T22:50:31.873Z)

Latitude

53.27258°

Longitude

-96.69607°

Altitude

1,043.323 km

Speed

7.389 km/s

True Right ascension

21h 11m 51s

True Declination

53° 06' 50"

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

13:09:49

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,435.097 km

Perigee altitude

849.821 km

Semi-major axis

7,520.596 km

Eccentricity

0.03891

Inclination

99.4004°

RAAN

125.2137°

Arg. of periapsis

55.8517°

True anomaly

69.91989°

Mean anomaly

65.7745°

Eccentric anomaly

67.83928°

Mean motion

3.32786 °/min

Orbital period

108.18 mins

BSTAR

0.0068839

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, 21474 (Decayed)

DELTA 1 DEB, 21436 (Decayed)

DELTA 1 DEB, 21684 (Decayed)

DELTA 1 DEB, 21597 (Decayed)

DELTA 1 DEB, 21569 (Decayed)

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.
12 mins	2025-12-03 22:17:28.506Z	30.67° NE	2025-12-03 22:22:28.506Z	90.1° ESE	35.207°	2025-12-03 22:29:28.506Z	171.025° S
9 mins	2025-12-04 00:05:28.506Z	344.578° N	2025-12-04 00:09:28.506Z	293.362° NW	27.557°	2025-12-04 00:14:28.506Z	239.743° WSW
5 mins	2025-12-04 08:43:28.506Z	89.593° E	2025-12-04 08:45:28.506Z	61.192° ENE	19.437°	2025-12-04 08:48:28.506Z	22.697° NE
8 mins	2025-12-04 10:28:28.506Z	194.27° SSW	2025-12-04 10:31:28.506Z	246.39° WSW	36.366°	2025-12-04 10:36:28.506Z	331.743° NNW

Items per page:

1–4 of 4 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, 21347 on other resources

View DELTA 1 DEB, 21347 on Heavens-Above

View DELTA 1 DEB, 21347 on Keep Track

View DELTA 1 DEB, 21347 on Celestrak

View DELTA 1 DEB, 21347 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, 21347

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 16 hours ago

TLE from 16 hours ago

TLE epoch observation values (Epoch: 2025-12-02T22:50:31.873Z)

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, 21347 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 16 hours ago