DELTA 1 DEB, 10644

Orbit data source: Space-Track

DELTA 1 DEB, 10644 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/10644?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/10644?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

10644, 1976-077E

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

Small (<0.1 m²)

Expand to show TLE details & history
Last TLE update: 12 hours ago

TLE from 12 hours ago

0 DELTA 1 DEB
1 10644U 76077E   26069.39804659  .00000125  00000-0  93213-3 0  9998
2 10644 101.3660  38.4766 0105692 214.3812 301.8413 12.61795528282279

Epoch: 2026-03-10T09:33Z

TLE epoch observation values (Epoch: 2026-03-10T09:33:11.225Z)

Latitude

24.3208°

Longitude

-87.71078°

Altitude

1,375.38 km

Speed

7.193 km/s

True Right ascension

14h 54m 39s

True Declination

24° 12' 08"

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

01:18:48

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,495.397 km

Perigee altitude

1,330.704 km

Semi-major axis

7,791.188 km

Eccentricity

0.01057

Inclination

101.366°

RAAN

38.4766°

Arg. of periapsis

214.3812°

True anomaly

300.80526°

Mean anomaly

301.8413°

Eccentric anomaly

301.324°

Mean motion

3.156 °/min

Orbital period

114.07 mins

BSTAR

0.00093213

Loading maneuver chart data...

Computing Atmospheric mass density...

Loading historical data...

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

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.
16 mins	2026-03-10 22:07:04.268Z	177.797° S	2026-03-10 22:15:04.268Z	249.024° W	40.98°	2026-03-10 22:23:04.268Z	335.036° NNW
13 mins	2026-03-11 10:07:04.268Z	33.79° NE	2026-03-11 10:13:04.268Z	100.126° ESE	36.147°	2026-03-11 10:20:04.268Z	171.069° S
13 mins	2026-03-11 11:59:04.268Z	357.768° N	2026-03-11 12:05:04.268Z	297.727° NW	31.868°	2026-03-11 12:12:04.268Z	235.088° WSW
4 mins	2026-03-11 19:15:04.268Z	56.173° ENE	2026-03-11 19:16:04.268Z	48.771° ENE	12.769°	2026-03-11 19:19:04.268Z	26.818° NE
5 mins	2026-03-11 21:00:04.268Z	138.172° SSE	2026-03-11 21:05:04.268Z	104.675° ESE	37.518°	2026-03-11 21:05:04.268Z	104.675° ESE

Items per page:

1–5 of 5 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, 10644 on other resources

View DELTA 1 DEB, 10644 on Heavens-Above

View DELTA 1 DEB, 10644 on Keep Track

View DELTA 1 DEB, 10644 on Celestrak

View DELTA 1 DEB, 10644 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, 10644

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 12 hours ago

TLE from 12 hours ago

TLE epoch observation values (Epoch: 2026-03-10T09:33:11.225Z)

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, 10644 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 12 hours ago