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LES 8, 8746

Orbit data source: Space-Track

LES 8, 8746 is a payload satellite owned by SAMSO (US) in GEO that was launched on Mon, 15 Mar 1976 UTC via a TITAN IIIC launch vehicle from the Air Force Eastern Test Range (AFETR). Payload-class satellites include a variety of spacecraft equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.

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<iframe src="https://www.satcat.com/sats-embedded/8746?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/8746?theme=dark&initialShowStats=false

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ISO8601 Format

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ISO8601 Format

Identifier

8746, 1976-023A

Orbit

GEO

Country

Related business

USAF Space and Missile Systems Organization (US)

Manufacturer

MIT-LL

Mission

Non-operational Defense Com/Tech

Bus & Motor

LES, Unknown motor

Mass

420 kg wet, 366 kg dry

Launch date (UTC)

1976-03-15 (50 years ago)

Launch vehicle

TITAN IIIC

Launch site

Air Force Eastern Test Range (AFETR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + Cyl + 1 Ant, 2.0 m

Radar Cross Section

4.285 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 20 hours ago

TLE from 20 hours ago

0 LES 8
1 08746U 76023A   25258.44467660 -.00000132  00000-0  00000-0 0  9999
2 08746  21.8880  40.5356 0033822 149.8173 221.3686  1.00275466126938

Epoch: 2025-09-15T10:40Z

TLE epoch observation values (Epoch: 2025-09-15T10:40:20.058Z)

Latitude

4.04796°

Longitude

-104.05917°

Altitude

35,892.154 km

Speed

3.067 km/s

True Right ascension

03h 22m 41s

True Declination

4° 02' 38"

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

23:33:26

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

35,929.025 km

Perigee altitude

35,643.807 km

Semi-major axis

42,164.553 km

Eccentricity

0.00338

Inclination

21.888°

RAAN

40.5356°

Arg. of periapsis

149.8173°

True anomaly

221.11326°

Mean anomaly

221.3686°

Eccentric anomaly

221.24085°

Mean motion

0.25068 °/min

Orbital period

1,436.09 mins

BSTAR

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Computing Atmospheric mass density...

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Other satellites on launch #23 in the year 1976 (1976-03-15 UTC)

LES 9, 8747

SOLRAD 11A, 8748

SOLRAD 11B, 8749

TITAN 3C R/B(1), 8750 (Decayed)

TITAN 3C TRANSTAGE R/B, 8751

SOLRAD 11A/B PKM, 8752

SOLRAD 11A/B AKM, 8753

TITAN 3C TRANSTAGE DEB, 8832

LES 8 9/SOL 11A B DEB *, 13753

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LES 8 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.
1440 mins	2025-09-16 06:52:00.199Z	174.916° S	2025-09-16 15:52:00.199Z	174.715° S	42.988°	2025-09-17 06:52:00.199Z	174.894° S

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8746 neighbors

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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 LES 8, 8746 on other resources

View LES 8, 8746 on NASA - NSSDCA Website

View LES 8, 8746 on Heavens-Above

View LES 8, 8746 on Keep Track

View LES 8, 8746 on Celestrak

View LES 8, 8746 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

LES 8, 8746

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 20 hours ago

TLE from 20 hours ago

TLE epoch observation values (Epoch: 2025-09-15T10:40:20.058Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #23 in the year 1976 (1976-03-15 UTC)

LES 8 Visibility forecast

8746 neighbors

Co-orbital & Co-planar RSOs

Check out LES 8, 8746 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 20 hours ago