DELTA 1 DEB, 10240

Orbit data source: Space-Track

DELTA 1 DEB, 10240 is space debris in LEO originally from a launch on Thu, 14 Jul 1977 UTC launched from the Air Force Eastern Test Range (AFETR). 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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Iframe URL

https://www.satcat.com/sats-embedded/10240?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

10240, 1977-065BR

Orbit

LEO

Country

Related business

National Aeronautics and Space Administration (NASA) (US)

Manufacturer

Unknown

Mission

Spacecraft

Bus & Motor

Unknown

Mass

Unknown

Launch date (UTC)

1977-07-14 (49 years ago)

Launch vehicle

Unknown

Launch site

Air Force Eastern Test Range (AFETR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Unknown shape, 0.1 m

Radar Cross Section

Medium (>0.1 m² and <1 m²)

Expand to show TLE details & history
Last TLE update: 13 hours ago

TLE from 13 hours ago

0 DELTA 1 DEB
1 10240U 77065BR  26269.98630487  .00002769  00000-0  19498-2 0  9999
2 10240  29.3829 138.6216 0660798  68.3289 298.6305 13.23451110 67952

Epoch: 2026-09-26T23:40Z

TLE epoch observation values (Epoch: 2026-09-26T23:40:16.740Z)

Latitude

-0.00002°

Longitude

137.76531°

Altitude

957.64 km

Speed

7.478 km/s

True Right ascension

09h 14m 29s

True Declination

0° 00' 00"

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

06:25:53

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,674.456 km

Perigee altitude

676.193 km

Semi-major axis

7,553.461 km

Eccentricity

0.06608

Inclination

29.3829°

RAAN

138.6216°

Arg. of periapsis

68.3289°

True anomaly

291.72758°

Mean anomaly

298.6305°

Eccentric anomaly

295.20488°

Mean motion

3.30616 °/min

Orbital period

108.89 mins

BSTAR

0.0019498

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Other satellites on launch #65 in the year 1977 (1977-07-14 UTC)

DELTA 1 DEB, 10229 (Decayed)

DELTA 1 DEB, 10343 (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.
6 mins	2026-09-27 19:52:01.652Z	205.709° SW	2026-09-27 19:55:01.652Z	162.334° S	18.592°	2026-09-27 19:58:01.652Z	123.223° SE
6 mins	2026-09-27 21:47:01.652Z	220.644° SW	2026-09-27 21:49:01.652Z	188.087° SSW	23.991°	2026-09-27 21:53:01.652Z	130.722° SE
5 mins	2026-09-27 23:42:01.652Z	222.806° SW	2026-09-27 23:44:01.652Z	196.042° SSW	17.754°	2026-09-27 23:47:01.652Z	159.952° S

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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, 10240 on other resources

View DELTA 1 DEB, 10240 on Heavens-Above

View DELTA 1 DEB, 10240 on Keep Track

View DELTA 1 DEB, 10240 on Celestrak

View DELTA 1 DEB, 10240 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, 10240

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 13 hours ago

TLE from 13 hours ago

TLE epoch observation values (Epoch: 2026-09-26T23:40:16.740Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #65 in the year 1977 (1977-07-14 UTC)

DELTA 1 DEB Visibility forecast

Co-orbital & Co-planar RSOs

Check out DELTA 1 DEB, 10240 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 13 hours ago