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: 11 hours ago
TLE from 11 hours ago
0 PROTOMETHEE
1 58321U 23174BT 26126.57738221 .00003197 00000-0 10934-3 0 9998
2 58321 97.3769 205.2177 0005721 329.0773 31.0131 15.30983497138608Epoch: 2026-05-06T13:51Z
TLE epoch observation values (Epoch: 2026-05-06T13:51:25.822Z)
Latitude
-0.00001°
Longitude
132.92423°
Altitude
472.623 km
Speed
7.632 km/s
True Right ascension
13h 40m 52s
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
08:27:06
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
473.744 km
Perigee altitude
465.909 km
Semi-major axis
6,847.964 km
Eccentricity
0.00057
Inclination
97.3769°
RAAN
205.2177°
Arg. of periapsis
329.0773°
True anomaly
31.0469°
Mean anomaly
31.0131°
Eccentric anomaly
31.03°
Mean motion
3.83002 °/min
Orbital period
93.99 mins
BSTAR
0.00010934
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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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-05-07 05:41:05.867Z | 204.529° SW | 2026-05-07 05:43:05.867Z | 271.437° WNW | 32.199° | 2026-05-07 05:46:05.867Z | 331.883° NNW |
| 4 mins | 2026-05-07 18:40:05.867Z | 330.975° NNW | 2026-05-07 18:42:05.867Z | 270.872° WNW | 26.014° | 2026-05-07 18:44:05.867Z | 230.672° WSW |
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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