LES 1, 1002
Orbit data source: Space-Track
LES 1, 1002 is a payload satellite owned by USAF SSD (US) in LEO that was launched on Thu, 11 Feb 1965 UTC via a TITAN IIIA 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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Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
MIT-LL
Mission
Spacecraft
Bus & Motor
LES, STAR 13A
Mass
158 kg wet, 31 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Unknown
Radar Cross Section
Medium (>0.1 m² and <1 m²)
Expand to show TLE details & historyLast TLE update: 18 hours ago
TLE from 18 hours ago
0 LES 1
1 1002U 65008C 25289.03773669 .00000007 00000-0 -10742-3 0 9994
2 1002 32.1429 263.0954 0015512 111.1107 249.1050 9.88354747192032Epoch: 2025-10-16T00:54Z
TLE epoch observation values (Epoch: 2025-10-16T00:54:20.450Z)
Latitude
0.00003°
Longitude
-135.29296°
Altitude
2,797.83 km
Speed
6.591 km/s
True Right ascension
17h 32m 22s
True Declination
0° 00' 00"
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
13:25:12
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
2,810.777 km
Perigee altitude
2,782.314 km
Semi-major axis
9,174.683 km
Eccentricity
0.00155
Inclination
32.1429°
RAAN
263.0954°
Arg. of periapsis
111.1107°
True anomaly
248.93905°
Mean anomaly
249.105°
Eccentric anomaly
249.02201°
Mean motion
2.46977 °/min
Orbital period
145.76 mins
BSTAR
-0.00010742
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Other satellites on launch #8 in the year 1965 (1965-02-11 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 1 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. |
|---|---|---|---|---|---|---|---|
| 16 mins | 2025-10-16 22:47:32.700Z | 170.934° S | 2025-10-16 22:55:32.700Z | 138.92° SSE | 16.441° | 2025-10-16 23:03:32.700Z | 106.607° ESE |
| 28 mins | 2025-10-17 01:18:32.700Z | 219.06° SW | 2025-10-17 01:31:32.700Z | 158.415° S | 35.441° | 2025-10-17 01:46:32.700Z | 87.973° E |
| 29 mins | 2025-10-17 03:55:32.700Z | 251.407° W | 2025-10-17 04:09:32.700Z | 174.56° S | 42.17° | 2025-10-17 04:24:32.700Z | 99.242° ESE |
| 28 mins | 2025-10-17 06:33:32.700Z | 268.457° W | 2025-10-17 06:47:32.700Z | 194.32° SSW | 39.295° | 2025-10-17 07:01:32.700Z | 127.122° SE |
| 22 mins | 2025-10-17 09:13:32.700Z | 262.353° W | 2025-10-17 09:23:32.700Z | 218.501° SW | 24.356° | 2025-10-17 09:35:32.700Z | 167.116° S |
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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