T-MICROSAT-1, 66766
Orbit data source: Space-Track
T-MICROSAT-1, 66766 is a Taiwanese payload satellite in SSO that was launched on Fri, 28 Nov 2025 UTC via an FALCON 9 launch vehicle from the Air Force Western Test Range (AFWTR). 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.
Focus sentinelFocus sentinel
Request partner network tasking
Focus sentinelFocus sentinel
Embed this page
Focus sentinelFocus sentinel
66766 intel report (Beta)
Focus sentinelFocus sentinel
Edit Public Description
Focus sentinelFocus sentinel
Edit Sat Name
Focus sentinelFocus sentinel
Create New Watchlist
Identifier
Orbit
Country
TW / TWNRelated business
Manufacturer
TRON
Mission
Operational Commercial Communications
Bus & Motor
CUBESAT 8U, Unknown motor
Mass
15 kg wet, ~15 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box, 0.2 m
Radar Cross Section
0.100 m²
Expand to show TLE details & historyLast TLE update: 13 hours ago
TLE from 13 hours ago
0 T-MICROSAT-1
1 66766U 25276DE 26141.16262519 .00004127 00000-0 19208-3 0 9996
2 66766 97.4163 215.3189 0001106 105.2702 254.8656 15.20484778 26333Epoch: 2026-05-21T03:54Z
TLE epoch observation values (Epoch: 2026-05-21T03:54:10.816Z)
Latitude
0.00001°
Longitude
-82.03795°
Altitude
507.667 km
Speed
7.61 km/s
True Right ascension
14h 21m 16s
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
01:29:11
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
502.104 km
Perigee altitude
500.582 km
Semi-major axis
6,879.48 km
Eccentricity
0.00011
Inclination
97.4163°
RAAN
215.3189°
Arg. of periapsis
105.2702°
True anomaly
254.85337°
Mean anomaly
254.8656°
Eccentric anomaly
254.85948°
Mean motion
3.80373 °/min
Orbital period
94.64 mins
BSTAR
0.00019208
Loading maneuver chart data...
Computing Atmospheric mass density...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Other satellites on launch #276 in the year 2025 (2025-11-28 UTC)
Did you know?
You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.T-MICROSAT-1 Visibility forecast
Loading observer location...
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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-05-21 17:07:20.965Z | 51.159° ENE | 2026-05-21 17:09:20.965Z | 94.796° ESE | 22.512° | 2026-05-21 17:12:20.965Z | 151.4° SSE |
| 7 mins | 2026-05-22 05:17:20.965Z | 185.081° SSW | 2026-05-22 05:20:20.965Z | 233.034° WSW | 35.024° | 2026-05-22 05:24:20.965Z | 336.113° NNW |
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 |
|---|
CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
Authenticating...
Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in descending order |
|---|