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LES 9, 8747

Orbit data source: Space-Track

LES 9, 8747 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/8747?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/8747?theme=dark&initialShowStats=false

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ISO8601 Format

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ISO8601 Format

Identifier

8747, 1976-023B

Orbit

GEO

Last TLE update

15 hours ago

Origin

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 (49 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, 4 m

Radar Cross Section

4.285 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 15 hours ago

0 LES 9
1 08747U 76023B   25183.61681729 -.00000101  00000-0  00000-0 0  9996
2 08747  21.7085  41.5052 0024693 169.5947 184.5472  1.00276998126162

Epoch: 2025-07-02T14:48Z

TLE epoch observation values (Epoch: 2025-07-02T14:48:13.013Z)

Latitude

-2.1831°

Longitude

-106.90541°

Altitude

35,888.552 km

Speed

3.067 km/s

True Right ascension

02h 24m 10s

True Declination

-2° 10' 51"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

-14.96984°

Longitude

120.68601°

Altitude

35,727.61 km

Speed

3.079 km/s

Apparent Right ascension

17h 32m 20s

Apparent Declination

-22° 39' 03"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

17:50:41

Azimuth

184.765° SSW

Elevation

27.287°

Doppler factor

Orbital elements

Apogee altitude

35,890.106 km

Perigee altitude

35,681.874 km

Semi-major axis

42,164.127 km

Eccentricity

0.00247

Inclination

21.7085°

RAAN

41.5052°

Arg. of periapsis

169.5947°

True anomaly

Unknown

Mean anomaly

184.5472°

Eccentric anomaly

Unknown

Mean motion

0.25069 °/min

Orbital period

1,436.06 mins

BSTAR

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8747 neighbors

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

LES 8, 8746

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

LES 9 Visibility forecast

Observer location: undefined°, undefined°

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	2025-07-03 06:05:04.115Z	184.764° SSW	2025-07-03 21:15:04.115Z	186.799° SSW	42.941°	2025-07-04 06:05:04.115Z	184.728° SSW

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Check out LES 9, 8747 on other resources

View LES 9, 8747 on NASA - NSSDCA Website

View LES 9, 8747 on Heavens-Above

View LES 9, 8747 on Keep Track

View LES 9, 8747 on Celestrak

View LES 9, 8747 on Gunter's Space Page

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