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: 4 months ago
TLE from 4 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
18:10:26
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. |
|---|---|---|---|---|---|---|---|
| 9 mins | 2026-04-09 01:40:51.330Z | 53.424° ENE | 2026-04-09 01:44:51.330Z | 89.552° E | 14.045° | 2026-04-09 01:49:51.330Z | 131.597° SE |
| 16 mins | 2026-04-09 03:50:51.330Z | 170.815° S | 2026-04-09 03:58:51.330Z | 102.819° ESE | 32.858° | 2026-04-09 04:06:51.330Z | 27.4° NE |
| 10 mins | 2026-04-09 04:27:51.330Z | 173.941° S | 2026-04-09 04:32:51.330Z | 103.221° ESE | 35.97° | 2026-04-09 04:37:51.330Z | 32.514° NE |
| 8 mins | 2026-04-09 04:53:51.330Z | 178.981° S | 2026-04-09 04:57:51.330Z | 105.793° ESE | 37.898° | 2026-04-09 05:01:51.330Z | 34.403° NE |
| 6 mins | 2026-04-09 05:15:51.330Z | 174.727° S | 2026-04-09 05:18:51.330Z | 101.619° ESE | 39.168° | 2026-04-09 05:21:51.330Z | 38.589° NE |
| 5 mins | 2026-04-09 05:34:51.330Z | 170.469° S | 2026-04-09 05:36:51.330Z | 109.853° ESE | 40.335° | 2026-04-09 05:39:51.330Z | 37.45° NE |
| 5 mins | 2026-04-09 05:50:51.330Z | 184.456° SSW | 2026-04-09 05:52:51.330Z | 129.294° SE | 40.967° | 2026-04-09 05:55:51.330Z | 39.759° NE |
| 4 mins | 2026-04-09 06:06:51.330Z | 172.263° S | 2026-04-09 06:07:51.330Z | 134.878° SE | 41.562° | 2026-04-09 06:10:51.330Z | 38.094° NE |
| 4 mins | 2026-04-09 06:20:51.330Z | 177.389° S | 2026-04-09 06:21:51.330Z | 136.713° SSE | 42.161° | 2026-04-09 06:24:51.330Z | 36.234° NE |
| 4 mins | 2026-04-09 06:33:51.330Z | 185.02° SSW | 2026-04-09 06:34:51.330Z | 146.506° SSE | 42.398° | 2026-04-09 06:37:51.330Z | 36.385° 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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