STARCLOUD-1, 66303
Orbit data source: Space-Track
STARCLOUD-1, 66303 is an American 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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66303 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
Astro Digital
Mission
Operational Commercial Technology
Bus & Motor
CORVUS MICRO, Unknown motor
Mass
50 kg wet, 50 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box, 0.3 m
Radar Cross Section
0.225 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 16 hours ago
TLE from 16 hours ago
0 STARCLOUD-1
1 66303U 25248L 26171.17970533 .00003703 00000-0 17508-3 0 9998
2 66303 45.4007 104.2813 0004400 51.4505 308.6776 15.21298519 34992Epoch: 2026-06-20T04:18Z
TLE epoch observation values (Epoch: 2026-06-20T04:18:46.540Z)
Latitude
0.00001°
Longitude
131.18935°
Altitude
500.075 km
Speed
7.617 km/s
True Right ascension
06h 57m 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
07:17:45
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
506.488 km
Perigee altitude
500.433 km
Semi-major axis
6,881.597 km
Eccentricity
0.00044
Inclination
45.4007°
RAAN
104.2813°
Arg. of periapsis
51.4505°
True anomaly
308.63822°
Mean anomaly
308.6776°
Eccentric anomaly
308.65791°
Mean motion
3.80198 °/min
Orbital period
94.69 mins
BSTAR
0.00017508
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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.STARCLOUD-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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-06-20 21:48:59.739Z | 186.822° SSW | 2026-06-20 21:51:59.739Z | 134.021° SE | 18.56° | 2026-06-20 21:53:59.739Z | 98.651° ESE |
| 6 mins | 2026-06-20 23:27:59.739Z | 247.885° W | 2026-06-20 23:30:59.739Z | 51.773° ENE | 42.822° | 2026-06-20 23:33:59.739Z | 64.565° ENE |
| 5 mins | 2026-06-21 01:07:59.739Z | 298.967° NW | 2026-06-21 01:09:59.739Z | 352.766° N | 30.874° | 2026-06-21 01:12:59.739Z | 58.816° ENE |
| 5 mins | 2026-06-21 02:47:59.739Z | 316.207° NNW | 2026-06-21 02:49:59.739Z | 27.563° NE | 34.422° | 2026-06-21 02:52:59.739Z | 84.795° E |
| 5 mins | 2026-06-21 04:26:59.739Z | 279.305° WNW | 2026-06-21 04:28:59.739Z | 208.484° SW | 39.727° | 2026-06-21 04:31:59.739Z | 134.595° SE |
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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