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: 7 months ago
TLE from 7 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
10:20:28
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 | 2026-06-21 08:30:13.209Z | 101.467° ESE | 2026-06-21 08:31:13.209Z | 65.293° ENE | 44.459° | 2026-06-21 08:34:13.209Z | 297.523° NW |
| 7 mins | 2026-06-21 08:45:13.209Z | 110.128° ESE | 2026-06-21 08:48:13.209Z | 339.404° N | 44.533° | 2026-06-21 08:52:13.209Z | 299.591° NW |
| 24 mins | 2026-06-21 09:12:13.209Z | 119.682° SE | 2026-06-21 09:23:13.209Z | 118.601° SE | 38.368° | 2026-06-21 09:36:13.209Z | 124.964° SE |
| 7 mins | 2026-06-21 09:56:13.209Z | 308.657° NW | 2026-06-21 09:59:13.209Z | 303.662° NW | 44.892° | 2026-06-21 10:03:13.209Z | 130.196° SE |
| 4 mins | 2026-06-21 10:14:13.209Z | 308.844° NW | 2026-06-21 10:16:13.209Z | 144.667° SSE | 44.408° | 2026-06-21 10:18:13.209Z | 133.517° SE |
| 4 mins | 2026-06-21 20:29:13.209Z | 54.324° ENE | 2026-06-21 20:30:13.209Z | 80.541° E | 21.48° | 2026-06-21 20:33:13.209Z | 154.782° SSE |
| 8 mins | 2026-06-21 20:46:13.209Z | 43.773° NE | 2026-06-21 20:49:13.209Z | 93.842° ESE | 24.595° | 2026-06-21 20:54:13.209Z | 164.238° S |
| 8 mins | 2026-06-21 21:43:13.209Z | 162.46° S | 2026-06-21 21:47:13.209Z | 102.658° ESE | 31.757° | 2026-06-21 21:51:13.209Z | 34.416° NE |
| 4 mins | 2026-06-21 22:04:13.209Z | 151.088° SSE | 2026-06-21 22:06:13.209Z | 92.751° ESE | 33.413° | 2026-06-21 22:08:13.209Z | 38.752° NE |
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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