PRAETORIAN SDA_611, 65574
Orbit data source: Space-Track
PRAETORIAN SDA_611, 65574 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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65574 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: 13 hours ago
TLE from 13 hours ago
0 PRAETORIAN SDA_611
1 65574U 25203K 26171.31132722 .00000106 00000-0 86060-4 0 9998
2 65574 81.3015 8.0406 0005502 185.6554 174.4541 13.83309355 39111Epoch: 2026-06-20T07:28Z
TLE epoch observation values (Epoch: 2026-06-20T07:28:18.671Z)
Latitude
-0.00004°
Longitude
-12.56497°
Altitude
959.052 km
Speed
7.37 km/s
True Right ascension
00h 32m 09s
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
07:13:22
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
953.411 km
Perigee altitude
945.348 km
Semi-major axis
7,327.517 km
Eccentricity
0.00055
Inclination
81.3015°
RAAN
8.0406°
Arg. of periapsis
185.6554°
True anomaly
174.46019°
Mean anomaly
174.4541°
Eccentric anomaly
174.45714°
Mean motion
3.46025 °/min
Orbital period
104.04 mins
BSTAR
0.00008606
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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_611 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 23:40:38.254Z | 21.566° NNE | 2026-06-20 23:44:38.254Z | 64.575° ENE | 20.093° | 2026-06-20 23:48:38.254Z | 110.918° ESE |
| 10 mins | 2026-06-21 01:25:38.254Z | 338.323° N | 2026-06-21 01:30:38.254Z | 255.746° W | 39.053° | 2026-06-21 01:35:38.254Z | 192.044° SSW |
| 9 mins | 2026-06-21 13:06:38.254Z | 145.611° SSE | 2026-06-21 13:10:38.254Z | 86.081° E | 30.726° | 2026-06-21 13:15:38.254Z | 27.538° NE |
| 9 mins | 2026-06-21 14:51:38.254Z | 235.488° WSW | 2026-06-21 14:55:38.254Z | 290.098° WNW | 27.599° | 2026-06-21 15:00:38.254Z | 348.244° N |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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