PROTOMETHEE, 58321
Orbit data source: Space-Track
PROTOMETHEE, 58321 is a payload satellite owned by Promethee (FR) in SSO that was launched on Sat, 11 Nov 2023 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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58321 intel report (Beta)
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Identifier
Orbit
Country
FRRelated business
Manufacturer
NanoAvionics
Mission
Operational Commercial Imaging
Bus & Motor
CUBESAT 16U, Unknown motor
Mass
30 kg wet, ~30 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 0.2 m
Radar Cross Section
0.100 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 1 day ago
TLE from 1 day ago
0 PROTOMETHEE
1 58321U 23174BT 26172.52343289 .00020249 00000-0 66985-3 0 9994
2 58321 97.3765 250.9170 0008454 142.8195 217.3633 15.31337937145639Epoch: 2026-06-21T12:33Z
TLE epoch observation values (Epoch: 2026-06-21T12:33:44.601Z)
Latitude
-0.00006°
Longitude
152.75869°
Altitude
479.532 km
Speed
7.623 km/s
True Right ascension
16h 43m 40s
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
23:18:55
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
474.557 km
Perigee altitude
462.981 km
Semi-major axis
6,846.906 km
Eccentricity
0.00085
Inclination
97.3765°
RAAN
250.917°
Arg. of periapsis
142.8195°
True anomaly
217.30456°
Mean anomaly
217.3633°
Eccentric anomaly
217.33392°
Mean motion
3.83091 °/min
Orbital period
93.97 mins
BSTAR
0.00066985
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Other satellites on launch #174 in the year 2023 (2023-11-11 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.PROTOMETHEE 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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-06-22 17:22:36.514Z | 58.713° ENE | 2026-06-22 17:24:36.514Z | 103.955° ESE | 18.973° | 2026-06-22 17:26:36.514Z | 141.818° SSE |
| 5 mins | 2026-06-23 05:28:36.514Z | 182.77° SSW | 2026-06-23 05:30:36.514Z | 259.988° W | 41.948° | 2026-06-23 05:33:36.514Z | 340.426° 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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