Showing default

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.

Loading next visibility...
Identifier
8747, 1976-023B
Orbit
GEO
Last TLE update
23 hours ago
Origin
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 23 hours ago
0 LES 9
1 08747U 76023B   25128.28961998 -.00000089  00000-0  00000-0 0  9992
2 08747  21.6067  42.2125 0024322 168.5629  11.9009  1.00275499125618
Epoch: 2025-05-08T06:57Z
Definitive object data (Epoch: 2025-05-08T06:57:03.166Z)
Latitude
-0.21676°
Longitude
-107.90695°
Altitude
35,684.401 km
Speed
3.082 km/s
True Right ascension
14h 50m 52s
True Declination
0° 12' 60"
Sunlit
Object was in daylight at TLE epoch
Visualization TLE readout
Latitude
2.21898°
Longitude
-114.07535°
Altitude
35,682.325 km
Speed
3.082 km/s
Apparent Right ascension
14h 24m 57s
Apparent Declination
-3° 45' 55"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time
14:35:36
Azimuth
183.842° SSW
Elevation
46.25°
Doppler factor
1
Orbital elements
Apogee altitude
35,888.964 km
Perigee altitude
35,683.859 km
Semi-major axis
42,164.549 km
Eccentricity
0.0024322
Inclination
21.6067°
RAAN
42.2125°
Arg. of periapsis
168.5629°
True anomaly
11.95855°
Mean anomaly
11.9009°
Eccentric anomaly
11.92971°
Mean motion
0.25068 °/min
BSTAR
Unknown
Orbital period
1436.09 mins
Loading historical data...
8747 neighbors
Loading maneuver chart data...
Loading SW <> Apogee altitude chart data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...

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 mins2025-05-09 06:26:46.162Z183.84° SSW2025-05-10 00:57:46.162Z188.555° SSW42.902°2025-05-10 06:26:46.162Z183.902° SSW
|