PRAETORIAN SDA_621, 65584
Orbit data source: Space-Track
PRAETORIAN SDA_621, 65584 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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65584 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: 14 hours ago
TLE from 14 hours ago
0 PRAETORIAN SDA_621
1 65584U 25203V 26171.26961720 .00000043 00000-0 27910-4 0 9990
2 65584 81.3020 7.8711 0007532 170.2935 189.8368 13.83801503 39122Epoch: 2026-06-20T06:28Z
TLE epoch observation values (Epoch: 2026-06-20T06:28:14.926Z)
Latitude
-0.00004°
Longitude
2.32224°
Altitude
958.739 km
Speed
7.37 km/s
True Right ascension
00h 31m 29s
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
07:13:01
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
953.159 km
Perigee altitude
942.123 km
Semi-major axis
7,325.778 km
Eccentricity
0.00075
Inclination
81.302°
RAAN
7.8711°
Arg. of periapsis
170.2935°
True anomaly
189.82207°
Mean anomaly
189.8368°
Eccentric anomaly
189.82943°
Mean motion
3.46149 °/min
Orbital period
104 mins
BSTAR
0.00002791
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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_621 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 00:24:16.493Z | 4.398° NNE | 2026-06-21 00:29:16.493Z | 72.345° E | 36.838° | 2026-06-21 00:34:16.493Z | 147.026° SSE |
| 7 mins | 2026-06-21 02:11:16.493Z | 308.41° NW | 2026-06-21 02:14:16.493Z | 269.928° W | 21.376° | 2026-06-21 02:18:16.493Z | 226.004° WSW |
| 10 mins | 2026-06-21 13:49:16.493Z | 184.85° SSW | 2026-06-21 13:54:16.493Z | 44.758° NE | 44.726° | 2026-06-21 13:59:16.493Z | 10.541° NNE |
| 4 mins | 2026-06-21 15:38:16.493Z | 279.186° WNW | 2026-06-21 15:40:16.493Z | 300.282° NW | 13.387° | 2026-06-21 15:42:16.493Z | 320.505° NNW |
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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