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, 0.1 m
Radar Cross Section
0.008 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 1 day ago
TLE from 1 day ago
0 SEMI-1L
1 66294U 25248B 26170.54665721 .00006735 00000-0 31054-3 0 9997
2 66294 45.4028 108.7808 0001378 72.9309 287.1729 15.21014833 34879Epoch: 2026-06-19T13:07Z
TLE epoch observation values (Epoch: 2026-06-19T13:07:11.182Z)
Latitude
-0.00001°
Longitude
4.21012°
Altitude
502.542 km
Speed
7.615 km/s
True Right ascension
07h 15m 07s
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
08:33:38
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
505.264 km
Perigee altitude
503.367 km
Semi-major axis
6,882.452 km
Eccentricity
0.00014
Inclination
45.4028°
RAAN
108.7808°
Arg. of periapsis
72.9309°
True anomaly
287.15781°
Mean anomaly
287.1729°
Eccentric anomaly
287.16536°
Mean motion
3.80127 °/min
Orbital period
94.71 mins
BSTAR
0.00031054
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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 | 2026-06-20 22:24:40.695Z | 203.964° SW | 2026-06-20 22:27:40.695Z | 133.953° SE | 28.576° | 2026-06-20 22:30:40.695Z | 80.782° E |
| 6 mins | 2026-06-21 00:03:40.695Z | 265.004° W | 2026-06-21 00:06:40.695Z | 359.224° N | 39.937° | 2026-06-21 00:09:40.695Z | 59.792° ENE |
| 5 mins | 2026-06-21 01:43:40.695Z | 302.006° NW | 2026-06-21 01:45:40.695Z | 345.363° N | 29.292° | 2026-06-21 01:48:40.695Z | 60.24° ENE |
| 5 mins | 2026-06-21 03:23:40.695Z | 307.178° NW | 2026-06-21 03:25:40.695Z | 16.714° NNE | 40.488° | 2026-06-21 03:28:40.695Z | 96.336° ESE |
| 5 mins | 2026-06-21 05:02:40.695Z | 267.498° W | 2026-06-21 05:04:40.695Z | 218.855° SW | 28.622° | 2026-06-21 05:07:40.695Z | 154.659° SSE |
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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