DELTA 1 DEB, 21291

Orbit data source: Space-Track

DELTA 1 DEB, 21291 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/21291?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

21291, 1975-052AC

Orbit

SSO

Last TLE update

19 hours ago

Origin

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

Radar Cross Section

Small (<0.1 m²)

Expand to show TLE details & history

TLE from 19 hours ago

0 DELTA 1 DEB
1 21291U 75052AC  25181.33245491  .00000324  00000-0  31813-3 0  9990
2 21291  99.8459 323.4076 0136657 247.5776 180.2061 13.82997278719003

Epoch: 2025-06-30T07:58Z

TLE epoch observation values (Epoch: 2025-06-30T07:58:44.104Z)

Latitude

65.88125°

Longitude

-97.60462°

Altitude

1,064.783 km

Speed

7.275 km/s

True Right ascension

20h 02m 53s

True Declination

65° 45' 29"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

33.34754°

Longitude

-80.61963°

Altitude

1,042.436 km

Speed

7.291 km/s

Apparent Right ascension

23h 28m 41s

Apparent Declination

0° 04' 40"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

14:31:49

Azimuth

58.082° ENE

Elevation

-32.394°

Doppler factor

Orbital elements

Apogee altitude

1,050.691 km

Perigee altitude

850.388 km

Semi-major axis

7,328.676 km

Eccentricity

0.01367

Inclination

99.8459°

RAAN

323.4076°

Arg. of periapsis

247.5776°

True anomaly

Unknown

Mean anomaly

180.2061°

Eccentric anomaly

Unknown

Mean motion

3.45943 °/min

Orbital period

104.06 mins

BSTAR

0.00031813

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

DELTA 1 DEB, 21318 (Decayed)

DELTA 1 DEB, 21319

DELTA 1 DEB, 21320

DELTA 1 DEB, 21321 (Decayed)

DELTA 1 DEB Visibility forecast

Observer location: undefined°, undefined°

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.
9 mins	2025-07-01 08:06:36.880Z	108.13° ESE	2025-07-01 08:10:36.880Z	63.936° ENE	23.238°	2025-07-01 08:15:36.880Z	10.667° NNE
10 mins	2025-07-01 09:48:36.880Z	185.687° SSW	2025-07-01 09:52:36.880Z	244.362° WSW	39.888°	2025-07-01 09:58:36.880Z	335.064° NNW
11 mins	2025-07-01 22:26:36.880Z	15.643° NNE	2025-07-01 22:31:36.880Z	39.421° NE	44.89°	2025-07-01 22:37:36.880Z	195.786° SSW
5 mins	2025-07-02 00:11:36.880Z	324.649° NNW	2025-07-02 00:13:36.880Z	303.124° NW	15.1°	2025-07-02 00:16:36.880Z	272.298° WNW

Authenticating...

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Check out DELTA 1 DEB, 21291 on other resources

View DELTA 1 DEB, 21291 on Heavens-Above

View DELTA 1 DEB, 21291 on Keep Track

View DELTA 1 DEB, 21291 on Celestrak

View DELTA 1 DEB, 21291 on Gunter's Space Page

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