DELTA 1 DEB, 10657

Orbit data source: Space-Track

DELTA 1 DEB, 10657 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/10657?theme=dark&initialShowStats=false

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Identifier

10657, 1976-077T

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, 0.6 m

Radar Cross Section

Medium (>0.1 m² and <1 m²)

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Last TLE update: 11 hours ago

TLE from 11 hours ago

0 DELTA 1 DEB
1 10657U 76077T   26034.54283922 -.00000042  00000-0  39876-4 0  9990
2 10657 102.5901  18.0216 0083413 293.8077 186.5727 12.25774198215923

Epoch: 2026-02-03T13:01Z

TLE epoch observation values (Epoch: 2026-02-03T13:01:41.308Z)

Latitude

57.53687°

Longitude

-110.6726°

Altitude

1,642.781 km

Speed

7.027 km/s

True Right ascension

14h 33m 53s

True Declination

57° 23' 53"

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

01:44:57

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,631.376 km

Perigee altitude

1,498.862 km

Semi-major axis

7,943.256 km

Eccentricity

0.00834

Inclination

102.5901°

RAAN

18.0216°

Arg. of periapsis

293.8077°

True anomaly

186.46441°

Mean anomaly

186.5727°

Eccentric anomaly

186.51844°

Mean motion

3.06581 °/min

Orbital period

117.42 mins

BSTAR

0.000039876

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

DELTA 1 DEB, 18677 (Decayed)

DELTA 1 DEB, 20309

DELTA 1 DEB, 10705 (Decayed)

DELTA 1 DEB, 16999 (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.
12 mins	2026-02-04 00:13:46.546Z	223.477° SW	2026-02-04 00:19:46.546Z	270.695° WNW	20.789°	2026-02-04 00:25:46.546Z	313.957° NW
13 mins	2026-02-04 10:35:46.546Z	44.45° NE	2026-02-04 10:41:46.546Z	96.953° ESE	28.839°	2026-02-04 10:48:46.546Z	155.17° SSE
16 mins	2026-02-04 12:29:46.546Z	9.3° NNE	2026-02-04 12:36:46.546Z	308.461° NW	40.604°	2026-02-04 12:45:46.546Z	220.053° SW
7 mins	2026-02-04 14:27:46.546Z	335.948° NNW	2026-02-04 14:30:46.546Z	314.596° NW	14.462°	2026-02-04 14:34:46.546Z	287.721° WNW
6 mins	2026-02-04 19:58:46.546Z	59.793° ENE	2026-02-04 20:01:46.546Z	38.559° NE	13.452°	2026-02-04 20:04:46.546Z	18.205° NNE
15 mins	2026-02-04 21:47:46.546Z	134.126° SE	2026-02-04 21:54:46.546Z	54.845° ENE	39.717°	2026-02-04 22:02:46.546Z	349.769° N
5 mins	2026-02-04 23:43:46.546Z	206.891° SW	2026-02-04 23:48:46.546Z	249.047° W	29.08°	2026-02-04 23:48:46.546Z	249.047° W

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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, 10657 on other resources

View DELTA 1 DEB, 10657 on Heavens-Above

View DELTA 1 DEB, 10657 on Keep Track

View DELTA 1 DEB, 10657 on Celestrak

View DELTA 1 DEB, 10657 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, 10657

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 11 hours ago

TLE from 11 hours ago

TLE epoch observation values (Epoch: 2026-02-03T13:01:41.308Z)

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, 10657 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 11 hours ago