LES 6, 3431
Orbit data source: Space-Track
LES 6, 3431 is a payload satellite owned by SAMSO (US) in GEO that was launched on Thu, 26 Sep 1968 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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3431 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
MIT-LL
Mission
Non-operational spacecraft
Bus & Motor
LES, Unknown motor
Mass
169 kg wet, ~149 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Unknown
Radar Cross Section
Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 16 hours ago
TLE from 16 hours ago
0 LES 6
1 03431U 68081D 26079.60034450 .00000130 00000-0 00000-0 0 9994
2 03431 1.3879 35.4698 0010222 301.8249 268.6839 1.00287463119891Epoch: 2026-03-20T14:24Z
TLE epoch observation values (Epoch: 2026-03-20T14:24:29.764Z)
Latitude
-0.6803°
Longitude
-148.39625°
Altitude
35,782.98 km
Speed
3.075 km/s
True Right ascension
16h 23m 26s
True Declination
0° 40' 47"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
11:23:40
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
35,826.367 km
Perigee altitude
35,740.173 km
Semi-major axis
42,161.407 km
Eccentricity
0.00102
Inclination
1.3879°
RAAN
35.4698°
Arg. of periapsis
301.8249°
True anomaly
268.5668°
Mean anomaly
268.6839°
Eccentric anomaly
268.62535°
Mean motion
0.25071 °/min
Orbital period
1,435.93 mins
BSTAR
0
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Other satellites on launch #81 in the year 1968 (1968-09-26 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.LES 6 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 | 2026-03-21 06:28:58.696Z | 236.593° WSW | 2026-03-22 06:13:58.696Z | 236.536° WSW | 24.774° | 2026-03-22 06:28:58.696Z | 236.539° WSW |
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3431 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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