PRAETORIAN SDA_616, 65579
Orbit data source: Space-Track
PRAETORIAN SDA_616, 65579 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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65579 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: 22 hours ago
TLE from 22 hours ago
0 PRAETORIAN SDA_616
1 65579U 25203Q 26170.94897446 .00000194 00000-0 16597-3 0 9996
2 65579 81.3060 8.5231 0005430 184.4895 175.6214 13.83268264 39069Epoch: 2026-06-19T22:46Z
TLE epoch observation values (Epoch: 2026-06-19T22:46:31.393Z)
Latitude
0.00005°
Longitude
118.72168°
Altitude
959.151 km
Speed
7.37 km/s
True Right ascension
00h 34m 05s
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
07:14:03
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
953.504 km
Perigee altitude
945.546 km
Semi-major axis
7,327.662 km
Eccentricity
0.00054
Inclination
81.306°
RAAN
8.5231°
Arg. of periapsis
184.4895°
True anomaly
175.62615°
Mean anomaly
175.6214°
Eccentric anomaly
175.62377°
Mean motion
3.46015 °/min
Orbital period
104.04 mins
BSTAR
0.00016597
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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_616 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. |
|---|---|---|---|---|---|---|---|
| 8 mins | 2026-06-20 23:40:18.805Z | 27.089° NE | 2026-06-20 23:44:18.805Z | 73.523° E | 19.528° | 2026-06-20 23:48:18.805Z | 115.177° SE |
| 9 mins | 2026-06-21 01:25:18.805Z | 336.637° NNW | 2026-06-21 01:29:18.805Z | 269.088° W | 39.786° | 2026-06-21 01:34:18.805Z | 191.94° SSW |
| 9 mins | 2026-06-21 13:05:18.805Z | 147.092° SSE | 2026-06-21 13:09:18.805Z | 93.86° ESE | 30.117° | 2026-06-21 13:14:18.805Z | 29.816° NE |
| 9 mins | 2026-06-21 14:50:18.805Z | 231.939° WSW | 2026-06-21 14:54:18.805Z | 283.142° WNW | 28.135° | 2026-06-21 14:59:18.805Z | 346.64° N |
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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