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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Edit Public Description
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: 18 hours ago
TLE from 18 hours ago
0 LES 6
1 03431U 68081D 25293.66698248 .00000108 00000-0 00000-0 0 9993
2 03431 1.1777 23.0632 0008030 299.6428 168.2474 1.00221402118388Epoch: 2025-10-20T16:00Z
TLE epoch observation values (Epoch: 2025-10-20T16:00:27.286Z)
Latitude
1.09666°
Longitude
-138.53043°
Altitude
35,833.103 km
Speed
3.072 km/s
True Right ascension
08h 43m 47s
True Declination
1° 05' 44"
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
04:53:53
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
35,835.665 km
Perigee altitude
35,767.924 km
Semi-major axis
42,179.931 km
Eccentricity
0.0008
Inclination
1.1777°
RAAN
23.0632°
Arg. of periapsis
299.6428°
True anomaly
168.26612°
Mean anomaly
168.2474°
Eccentric anomaly
168.25676°
Mean motion
0.25054 °/min
Orbital period
1,436.87 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 | 2025-10-21 09:53:57.189Z | 226.138° WSW | 2025-10-21 14:36:57.189Z | 226.808° WSW | 28.869° | 2025-10-22 09:53:57.189Z | 226.349° 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
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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