DELTA 1 DEB, 10661

Orbit data source: Space-Track

DELTA 1 DEB, 10661 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.

Loading next visibility...

Iframe embed code

<iframe src="https://www.satcat.com/sats-embedded/10661?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/10661?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

10661, 1976-077X

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

Small (<0.1 m²)

Expand to show TLE details & history
Last TLE update: 1 day ago

TLE from 1 day ago

0 DELTA 1 DEB
1 10661U 76077X   25348.82038166  .00003134  00000-0  58500-2 0  9998
2 10661 101.1919 301.0195 0121795 101.7327 314.2196 13.37236395310151

Epoch: 2025-12-14T19:41Z

TLE epoch observation values (Epoch: 2025-12-14T19:41:20.975Z)

Latitude

53.51696°

Longitude

-93.48261°

Altitude

1,065.083 km

Speed

7.355 km/s

True Right ascension

19h 02m 19s

True Declination

53° 21' 33"

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

22:28:33

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,208.278 km

Perigee altitude

1,025.704 km

Semi-major axis

7,495.128 km

Eccentricity

0.01218

Inclination

101.1919°

RAAN

301.0195°

Arg. of periapsis

101.7327°

True anomaly

313.20869°

Mean anomaly

314.2196°

Eccentric anomaly

313.71522°

Mean motion

3.34483 °/min

Orbital period

107.63 mins

BSTAR

0.00585

Loading maneuver chart data...

Computing Atmospheric mass density...

Loading historical data...

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

DELTA 1 DEB, 18677 (Decayed)

DELTA 1 DEB, 16997 (Decayed)

DELTA 1 DEB, 10651 (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	2025-12-16 09:42:29.463Z	22.73° NE	2025-12-16 09:48:29.463Z	91.651° ESE	42.126°	2025-12-16 09:54:29.463Z	185.353° SSW
7 mins	2025-12-16 11:31:29.463Z	333.508° NNW	2025-12-16 11:34:29.463Z	297.413° NW	20.367°	2025-12-16 11:38:29.463Z	256.81° W
10 mins	2025-12-16 20:02:29.463Z	126.726° SE	2025-12-16 20:06:29.463Z	76.344° E	33.776°	2025-12-16 20:12:29.463Z	358.435° N
10 mins	2025-12-16 21:48:29.463Z	206.852° SW	2025-12-16 21:52:29.463Z	252.969° W	27.749°	2025-12-16 21:58:29.463Z	322.343° 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, 10661 on other resources

View DELTA 1 DEB, 10661 on Heavens-Above

View DELTA 1 DEB, 10661 on Keep Track

View DELTA 1 DEB, 10661 on Celestrak

View DELTA 1 DEB, 10661 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, 10661

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 1 day ago

TLE from 1 day ago

TLE epoch observation values (Epoch: 2025-12-14T19:41:20.975Z)

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, 10661 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 1 day ago