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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Edit Public Description
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: 21 hours ago
TLE from 21 hours ago
0 PROTOMETHEE
1 58321U 23174BT 25334.47166546 .00010353 00000-0 37429-3 0 9992
2 58321 97.3987 49.0309 0008905 144.6073 215.5760 15.28598707114583Epoch: 2025-11-30T11:19Z
TLE epoch observation values (Epoch: 2025-11-30T11:19:11.895Z)
Latitude
0.00002°
Longitude
169.6463°
Altitude
488.073 km
Speed
7.618 km/s
True Right ascension
03h 16m 07s
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
05:34:45
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
483.059 km
Perigee altitude
470.85 km
Semi-major axis
6,855.091 km
Eccentricity
0.00089
Inclination
97.3987°
RAAN
49.0309°
Arg. of periapsis
144.6073°
True anomaly
215.51669°
Mean anomaly
215.576°
Eccentric anomaly
215.54634°
Mean motion
3.82405 °/min
Orbital period
94.14 mins
BSTAR
0.00037429
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2025-12-01 17:43:30.363Z | 22.401° NNE | 2025-12-01 17:46:30.363Z | 73.901° E | 36.778° | 2025-12-01 17:49:30.363Z | 173.367° S |
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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