SEMI-1L, 66294
Orbit data source: Space-Track
SEMI-1L, 66294 is a Turkish payload satellite in LEO that was launched on Sun, 02 Nov 2025 UTC via an FALCON 9 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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66294 intel report (Beta)
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Identifier
Orbit
Country
TR / TURKRelated business
Manufacturer
UNKTR
Mission
Operational Commercial Communications
Bus & Motor
CUBESAT 6U?, Unknown motor
Mass
12 kg wet, 12 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box, 0.072 m
Radar Cross Section
0.008 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 13 hours ago
TLE from 13 hours ago
0 SEMI-1L
1 66294U 25248B 26295.35378450 .00006652 00000-0 29693-3 0 9998
2 66294 45.4027 158.4843 0001934 72.5365 287.5733 15.22151736 53881Epoch: 2026-10-22T08:29Z
TLE epoch observation values (Epoch: 2026-10-22T08:29:26.980Z)
Latitude
-0.00006°
Longitude
0.33193°
Altitude
498.994 km
Speed
7.617 km/s
True Right ascension
10h 33m 56s
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
16:24:34
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
502.22 km
Perigee altitude
499.559 km
Semi-major axis
6,879.026 km
Eccentricity
0.00019
Inclination
45.4027°
RAAN
158.4843°
Arg. of periapsis
72.5365°
True anomaly
287.55217°
Mean anomaly
287.5733°
Eccentric anomaly
287.56274°
Mean motion
3.80411 °/min
Orbital period
94.63 mins
BSTAR
0.00029693
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Other satellites on launch #248 in the year 2025 (2025-11-02 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.SEMI-1L 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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-10-22 21:26:47.061Z | 299.266° NW | 2026-10-22 21:29:47.061Z | 4.789° NNE | 34.974° | 2026-10-22 21:32:47.061Z | 66.428° ENE |
| 6 mins | 2026-10-22 23:06:47.061Z | 302.166° NW | 2026-10-22 23:08:47.061Z | 339.725° N | 59.117° | 2026-10-22 23:12:47.061Z | 103.332° ESE |
| 4 mins | 2026-10-23 00:46:47.061Z | 252.093° W | 2026-10-23 00:47:47.061Z | 227.749° WSW | 27.206° | 2026-10-23 00:50:47.061Z | 163.568° S |
| 5 mins | 2026-10-23 17:46:47.061Z | 206.007° SW | 2026-10-23 17:48:47.061Z | 144.655° SSE | 43.265° | 2026-10-23 17:51:47.061Z | 78.22° E |
| 5 mins | 2026-10-23 19:25:47.061Z | 278.19° WNW | 2026-10-23 19:27:47.061Z | 340.28° N | 49.828° | 2026-10-23 19:30:47.061Z | 56.832° ENE |
| 5 mins | 2026-10-23 21:05:47.061Z | 315.301° NNW | 2026-10-23 21:07:47.061Z | 15.494° NNE | 34.383° | 2026-10-23 21:10:47.061Z | 69.066° E |
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 descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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