USA 568, 66551
Orbit data source: Space-Track
USA 568, 66551 is a payload satellite owned by USSF SSC (US) in LEO that was launched on Tue, 30 Jul 2024 UTC via an ATLAS V 551 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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66551 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
Unknown (US)
Mission
Operational Defense Classified
Bus & Motor
UNKNOWN, Unknown motor
Mass
~100 kg wet, 100 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box, 14.5 m
Radar Cross Section
1.500 m²
Expand to show TLE details & historyLast TLE update: 8 months ago
TLE from 8 months ago
0 USA 568
1 66551U 25271AE 25336.66670139 -.01709685 00000-0 -74303-2 0 9994
2 66551 53.1571 236.7807 0000717 110.7411 313.9012 15.87051116 2624Epoch: 2025-12-02T16:00Z
TLE epoch observation values (Epoch: 2025-12-02T16:00:03.000Z)
Latitude
46.46158°
Longitude
-23.34765°
Altitude
315.217 km
Speed
7.725 km/s
True Right ascension
19h 13m 39s
True Declination
46° 16' 42"
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
01:13:16
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
311.298 km
Perigee altitude
310.339 km
Semi-major axis
6,688.956 km
Eccentricity
0.00007
Inclination
53.1571°
RAAN
236.7807°
Arg. of periapsis
110.7411°
True anomaly
313.89528°
Mean anomaly
313.9012°
Eccentric anomaly
313.89824°
Mean motion
3.9674 °/min
Orbital period
90.74 mins
BSTAR
-0.0074303
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Other satellites on launch #134 in the year 2024 (2024-07-30 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.USA 568 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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-08-14 15:12:16.226Z | 177.45° S | 2026-08-14 15:14:16.226Z | 263.275° W | 41.336° | 2026-08-14 15:16:16.226Z | 317.855° NNW |
| 17 mins | 2026-08-14 15:31:16.226Z | 170.829° S | 2026-08-14 15:39:16.226Z | 201.456° SSW | 37.303° | 2026-08-14 15:48:16.226Z | 168.773° S |
| 4 mins | 2026-08-14 16:03:16.226Z | 299.845° NW | 2026-08-14 16:04:16.226Z | 266.584° W | 38.622° | 2026-08-14 16:07:16.226Z | 170.068° S |
| 4 mins | 2026-08-15 02:47:16.226Z | 54.024° ENE | 2026-08-15 02:49:16.226Z | 148.99° SSE | 41.948° | 2026-08-15 02:51:16.226Z | 198.123° SSW |
| 18 mins | 2026-08-15 03:05:16.226Z | 39.884° NE | 2026-08-15 03:14:16.226Z | 65.105° ENE | 40.114° | 2026-08-15 03:23:16.226Z | 39.931° NE |
| 5 mins | 2026-08-15 03:37:16.226Z | 204.552° SW | 2026-08-15 03:39:16.226Z | 139.56° SSE | 43.951° | 2026-08-15 03:42:16.226Z | 39.056° NE |
| 5 mins | 2026-08-15 08:34:16.226Z | 72.746° E | 2026-08-15 08:36:16.226Z | 325.597° NNW | 43.976° | 2026-08-15 08:39:16.226Z | 270.182° WNW |
| 11 mins | 2026-08-15 08:55:16.226Z | 85.178° E | 2026-08-15 09:00:16.226Z | 82.672° E | 28.598° | 2026-08-15 09:06:16.226Z | 89.387° E |
| 4 mins | 2026-08-15 09:22:16.226Z | 287.685° WNW | 2026-08-15 09:24:16.226Z | 9.649° NNE | 44.264° | 2026-08-15 09:26:16.226Z | 87.214° E |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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