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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Iframe URL

https://www.satcat.com/sats-embedded/10866?theme=dark&initialShowStats=false

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ISO8601 Format

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 (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)

Expand to show TLE details & history
Last TLE update: 20 hours ago

TLE from 20 hours ago

0 DELTA 1 DEB
1 10866U 76077CU  26039.48854672 -.00000036  00000-0  95611-4 0  9998
2 10866 102.7140   3.4003 0149106 289.2996 192.8507 12.30630561224124

Epoch: 2026-02-08T11:43Z

TLE epoch observation values (Epoch: 2026-02-08T11:43:30.436Z)

Latitude

56.11511°

Longitude

-111.54128°

Altitude

1,670.984 km

Speed

6.992 km/s

True Right ascension

13h 31m 43s

True Declination

55° 58' 26"

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

10:11:05

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,662.329 km

Perigee altitude

1,426.076 km

Semi-major axis

7,922.34 km

Eccentricity

0.01491

Inclination

102.714°

RAAN

3.4003°

Arg. of periapsis

289.2996°

True anomaly

192.47747°

Mean anomaly

192.8507°

Eccentric anomaly

192.66341°

Mean motion

3.07796 °/min

Orbital period

116.96 mins

BSTAR

0.000095611

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

DELTA 1 DEB, 10831

DELTA 1 DEB, 10839 (Decayed)

DELTA 1 DEB, 40762

DELTA 1 DEB, 10827 (Decayed)

DELTA 1 DEB, 40755

DELTA 1 DEB, 40769

DELTA 1 DEB, 16997 (Decayed)

DELTA 1 DEB, 40759

DELTA 1 DEB, 19858 (Decayed)

DELTA 1 DEB, 40772

DELTA 1 DEB, 40753

DELTA 1 DEB, 12541 (Decayed)

DELTA 1 DEB, 40773

DELTA 1 DEB *, 18466 (Decayed)

DELTA 1 DEB, 10705 (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	2026-02-09 09:10:51.796Z	40.199° NE	2026-02-09 09:17:51.796Z	93.505° ESE	27.167°	2026-02-09 09:24:51.796Z	151.151° SSE
16 mins	2026-02-09 11:05:51.796Z	10.676° NNE	2026-02-09 11:12:51.796Z	306.298° NW	42.024°	2026-02-09 11:21:51.796Z	216.782° SW
9 mins	2026-02-09 13:01:51.796Z	344.897° N	2026-02-09 13:05:51.796Z	317.197° NNW	16.15°	2026-02-09 13:10:51.796Z	282.937° WNW
5 mins	2026-02-09 18:33:51.796Z	51.13° ENE	2026-02-09 18:35:51.796Z	37.322° NE	12.439°	2026-02-09 18:38:51.796Z	17.625° NNE
15 mins	2026-02-09 20:20:51.796Z	130.526° SE	2026-02-09 20:27:51.796Z	63.138° ENE	37.956°	2026-02-09 20:35:51.796Z	351.849° N
15 mins	2026-02-09 22:15:51.796Z	198.543° SSW	2026-02-09 22:22:51.796Z	263.265° W	32.287°	2026-02-09 22:30:51.796Z	326.799° 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: 20 hours ago

TLE from 20 hours ago

TLE epoch observation values (Epoch: 2026-02-08T11:43:30.436Z)

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: 20 hours ago