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)

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

TLE from 12 hours ago

0 DELTA 1 DEB
1 10657U 76077T   26080.87484104 -.00000042  00000-0  39826-4 0  9997
2 10657 102.5978  64.6370 0083137 211.9658 160.2614 12.25775874221602

Epoch: 2026-03-21T20:59Z

TLE epoch observation values (Epoch: 2026-03-21T20:59:46.265Z)

Latitude

12.20405°

Longitude

-72.45225°

Altitude

1,631.489 km

Speed

7.029 km/s

True Right ascension

04h 07m 31s

True Declination

12° 08' 27"

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

14:02:51

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,631.15 km

Perigee altitude

1,499.075 km

Semi-major axis

7,943.249 km

Eccentricity

0.00831

Inclination

102.5978°

RAAN

64.637°

Arg. of periapsis

211.9658°

True anomaly

160.58003°

Mean anomaly

160.2614°

Eccentric anomaly

160.42102°

Mean motion

3.06581 °/min

Orbital period

117.42 mins

BSTAR

0.000039826

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

DELTA 1 DEB, 10839 (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.
16 mins	2026-03-22 11:16:47.386Z	27.859° NE	2026-03-22 11:24:47.386Z	103.472° ESE	39.426°	2026-03-22 11:32:47.386Z	179.298° S
14 mins	2026-03-22 13:12:47.386Z	0.691° NNE	2026-03-22 13:19:47.386Z	299.105° NW	30.656°	2026-03-22 13:26:47.386Z	241.867° WSW
11 mins	2026-03-22 20:37:47.386Z	91.096° ESE	2026-03-22 20:42:47.386Z	53.698° ENE	21.441°	2026-03-22 20:48:47.386Z	7.996° NNE
16 mins	2026-03-22 22:29:47.386Z	158.196° S	2026-03-22 22:36:47.386Z	143.99° SSE	44.9°	2026-03-22 22:45:47.386Z	341.999° N
10 mins	2026-03-23 00:28:47.386Z	234.713° WSW	2026-03-23 00:32:47.386Z	264.641° W	18.596°	2026-03-23 00:38:47.386Z	308.106° 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: 12 hours ago

TLE from 12 hours ago

TLE epoch observation values (Epoch: 2026-03-21T20:59:46.265Z)

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: 12 hours ago