PRAETORIAN SDA_608, 65571
Orbit data source: Space-Track
PRAETORIAN SDA_608, 65571 is a payload satellite owned by SDA (US) in LEO that was launched on Wed, 10 Sep 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.
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65571 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
York Space Sys
Mission
Operational Defense Communications
Bus & Motor
S-CLASS, Unknown motor
Mass
~300 kg wet, ~300 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 4 Pan, 14.5 m
Radar Cross Section
1.244 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 9 hours ago
TLE from 9 hours ago
0 PRAETORIAN SDA_608
1 65571U 25203G 26171.47425272 .00000051 00000-0 35115-4 0 9991
2 65571 81.3006 7.7639 0005940 181.5836 178.5303 13.83817196 39147Epoch: 2026-06-20T11:22Z
TLE epoch observation values (Epoch: 2026-06-20T11:22:55.435Z)
Latitude
-0.00002°
Longitude
-71.65544°
Altitude
957.596 km
Speed
7.371 km/s
True Right ascension
00h 31m 03s
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
07:12:20
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
951.937 km
Perigee altitude
943.234 km
Semi-major axis
7,325.722 km
Eccentricity
0.00059
Inclination
81.3006°
RAAN
7.7639°
Arg. of periapsis
181.5836°
True anomaly
178.53204°
Mean anomaly
178.5303°
Eccentric anomaly
178.53117°
Mean motion
3.46153 °/min
Orbital period
104 mins
BSTAR
0.000035115
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Other satellites on launch #203 in the year 2025 (2025-09-10 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.PRAETORIAN SDA_608 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. |
|---|---|---|---|---|---|---|---|
| 10 mins | 2026-06-21 00:06:36.102Z | 11.688° NNE | 2026-06-21 00:11:36.102Z | 76.378° E | 29.628° | 2026-06-21 00:16:36.102Z | 136.174° SSE |
| 9 mins | 2026-06-21 01:52:36.102Z | 322.449° NNW | 2026-06-21 01:56:36.102Z | 266.333° W | 28.291° | 2026-06-21 02:01:36.102Z | 209.721° SW |
| 10 mins | 2026-06-21 13:31:36.102Z | 170.038° S | 2026-06-21 13:36:36.102Z | 77.213° E | 40.789° | 2026-06-21 13:41:36.102Z | 17.738° NNE |
| 7 mins | 2026-06-21 15:18:36.102Z | 256.885° W | 2026-06-21 15:21:36.102Z | 290.873° WNW | 18.543° | 2026-06-21 15:25:36.102Z | 334.51° NNW |
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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