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: 6 hours ago

TLE from 6 hours ago

0 DELTA 1 DEB
1 10657U 76077T   26131.81404160 -.00000019  00000-0  23961-3 0  9998
2 10657 102.6016 115.9205 0083726 122.1312 304.7406 12.25777356227840

Epoch: 2026-05-11T19:32Z

TLE epoch observation values (Epoch: 2026-05-11T19:32:13.194Z)

Latitude

63.22384°

Longitude

-72.89087°

Altitude

1,540.593 km

Speed

7.119 km/s

True Right ascension

05h 59m 02s

True Declination

63° 05' 56"

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

09:40:52

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,631.612 km

Perigee altitude

1,498.601 km

Semi-major axis

7,943.243 km

Eccentricity

0.00837

Inclination

102.6016°

RAAN

115.9205°

Arg. of periapsis

122.1312°

True anomaly

303.94749°

Mean anomaly

304.7406°

Eccentric anomaly

304.34452°

Mean motion

3.06582 °/min

Orbital period

117.42 mins

BSTAR

0.00023961

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

DELTA 1 DEB, 10839 (Decayed)

DELTA 1 DEB, 12541 (Decayed)

DELTA 1 DEB, 13538

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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.
15 mins	2026-05-12 11:29:00.519Z	27.173° NE	2026-05-12 11:36:00.519Z	92.594° ESE	40.838°	2026-05-12 11:44:00.519Z	182.467° SSW
13 mins	2026-05-12 13:25:00.519Z	357.272° N	2026-05-12 13:31:00.519Z	304.436° NW	28.242°	2026-05-12 13:38:00.519Z	246.111° WSW
11 mins	2026-05-12 20:50:00.519Z	93.615° ESE	2026-05-12 20:55:00.519Z	53.256° ENE	22.28°	2026-05-12 21:01:00.519Z	5.997° NNE
15 mins	2026-05-12 22:42:00.519Z	162.986° S	2026-05-12 22:49:00.519Z	212.953° SW	44.74°	2026-05-12 22:57:00.519Z	339.898° N
8 mins	2026-05-13 00:42:00.519Z	242.584° WSW	2026-05-13 00:45:00.519Z	264.722° W	15.531°	2026-05-13 00:50:00.519Z	301.369° NW

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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: 6 hours ago

TLE from 6 hours ago

TLE epoch observation values (Epoch: 2026-05-11T19:32:13.194Z)

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: 6 hours ago