DELTA 1 DEB, 10866

Orbit data source: Space-Track

DELTA 1 DEB, 10866 is space debris in SSO 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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https://www.satcat.com/sats-embedded/10866?theme=dark&initialShowStats=false

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Identifier

10866, 1976-077CU

Orbit

SSO

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 (49 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: 8 hours ago

TLE from 8 hours ago

0 DELTA 1 DEB
1 10866U 76077CU  25351.79914738  .00000032  00000-0  64468-3 0  9998
2 10866 102.7054 309.4037 0149469  21.8483  45.4283 12.30625283217645

Epoch: 2025-12-17T19:10Z

TLE epoch observation values (Epoch: 2025-12-17T19:10:46.333Z)

Latitude

65.27674°

Longitude

-94.11328°

Altitude

1,475.424 km

Speed

7.168 km/s

True Right ascension

18h 40m 58s

True Declination

65° 09' 28"

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

01:58:56

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,662.639 km

Perigee altitude

1,425.81 km

Semi-major axis

7,922.362 km

Eccentricity

0.01495

Inclination

102.7054°

RAAN

309.4037°

Arg. of periapsis

21.8483°

True anomaly

46.66455°

Mean anomaly

45.4283°

Eccentric anomaly

46.0448°

Mean motion

3.07795 °/min

Orbital period

116.96 mins

BSTAR

0.00064468

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

DELTA 1 DEB, 19858 (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.
14 mins	2025-12-18 09:07:26.483Z	41.276° NE	2025-12-18 09:14:26.483Z	100.296° ESE	28.129°	2025-12-18 09:21:26.483Z	155.607° SSE
15 mins	2025-12-18 11:02:26.483Z	8.674° NNE	2025-12-18 11:09:26.483Z	288.792° WNW	41.105°	2025-12-18 11:17:26.483Z	219.504° SW
7 mins	2025-12-18 12:59:26.483Z	335.504° NNW	2025-12-18 13:02:26.483Z	313.463° NW	14.299°	2025-12-18 13:06:26.483Z	286.173° WNW
14 mins	2025-12-18 20:18:26.483Z	132.603° SE	2025-12-18 20:24:26.483Z	73.785° E	38.09°	2025-12-18 20:32:26.483Z	351.183° N
12 mins	2025-12-18 22:14:26.483Z	207.3° SW	2025-12-18 22:19:26.483Z	255.804° W	28.979°	2025-12-18 22:26:26.483Z	320.975° NNW

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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, 10866 on other resources

View DELTA 1 DEB, 10866 on Heavens-Above

View DELTA 1 DEB, 10866 on Keep Track

View DELTA 1 DEB, 10866 on Celestrak

View DELTA 1 DEB, 10866 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, 10866

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: 2025-12-17T19:10:46.333Z)

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, 10866 on other resources

Documentation

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