DELTA 1 DEB, 12647

Orbit data source: Space-Track

DELTA 1 DEB, 12647 is space debris in LEO originally from a launch on Thu, 29 Jul 1976 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/12647?theme=dark&initialShowStats=false

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Identifier

12647, 1976-077EA

Orbit

LEO

Country

Related business

National Aeronautics and Space Administration (NASA) (US)

Manufacturer

Unknown

Mission

Spacecraft

Bus & Motor

Unknown

Mass

Unknown

Launch date (UTC)

1976-07-29 (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

Medium (>0.1 m² and <1 m²)

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Last TLE update: 2 days ago

TLE from 2 days ago

0 DELTA 1 DEB
1 12647U 76077EA  26254.13915508 -.00000955  00000-0 -11132-1 0  9998
2 12647 100.6813 312.1068 0370772  73.8922 315.6304 11.86852295 98128

Epoch: 2026-09-11T03:20Z

TLE epoch observation values (Epoch: 2026-09-11T03:20:22.998Z)

Latitude

25.99106°

Longitude

-93.4061°

Altitude

1,533.569 km

Speed

7.192 km/s

True Right ascension

20h 27m 25s

True Declination

25° 52' 09"

Sunlit

Object was in full shadow 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

17:33:43

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

2,038.753 km

Perigee altitude

1,436.918 km

Semi-major axis

8,115.973 km

Eccentricity

0.03708

Inclination

100.6813°

RAAN

312.1068°

Arg. of periapsis

73.8922°

True anomaly

312.55914°

Mean anomaly

315.6304°

Eccentric anomaly

314.10496°

Mean motion

2.96847 °/min

Orbital period

121.27 mins

BSTAR

-0.011132

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Other satellites on launch #77 in the year 1976 (1976-07-29 UTC)

DELTA 1 DEB, 18540

DELTA 1 DEB, 10826

DELTA 1 DEB, 40753

DELTA 1 DEB *, 18466 (Decayed)

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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	2026-09-13 01:54:00.382Z	97.422° ESE	2026-09-13 02:00:00.382Z	49.72° ENE	21.084°	2026-09-13 02:05:00.382Z	10.736° NNE
15 mins	2026-09-13 03:51:00.382Z	166.316° S	2026-09-13 03:58:00.382Z	276.286° WNW	82.22°	2026-09-13 04:06:00.382Z	342.674° N
5 mins	2026-09-13 05:56:00.382Z	255.115° W	2026-09-13 05:58:00.382Z	270.188° WNW	13.602°	2026-09-13 06:01:00.382Z	292.895° NW
16 mins	2026-09-13 16:31:00.382Z	23.891° NE	2026-09-13 16:38:00.382Z	108.204° ESE	68.15°	2026-09-13 16:47:00.382Z	186.081° SSW
13 mins	2026-09-13 18:31:00.382Z	349.099° N	2026-09-13 18:36:00.382Z	306.847° NW	28.688°	2026-09-13 18:44:00.382Z	247.4° 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, 12647 on other resources

View DELTA 1 DEB, 12647 on Heavens-Above

View DELTA 1 DEB, 12647 on Keep Track

View DELTA 1 DEB, 12647 on Celestrak

View DELTA 1 DEB, 12647 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, 12647

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: 2026-09-11T03:20:22.998Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #77 in the year 1976 (1976-07-29 UTC)

DELTA 1 DEB Visibility forecast

Co-orbital & Co-planar RSOs

Check out DELTA 1 DEB, 12647 on other resources

Documentation

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