HERMES 4, 63833
Orbit data source: Space-Track
HERMES 4, 63833 is a payload satellite owned by ASI (IT) in SSO that was launched on Sat, 15 Mar 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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63833 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
ITRelated business
Manufacturer
MILANP/INAFI
Mission
Operational Civil Astronomy
Bus & Motor
CUBESAT 3U, Unknown motor
Mass
5 kg wet, 5 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box, 14.5 m
Radar Cross Section
0.035 m², Small (<0.1 m²)
Expand to show TLE details & historyLast TLE update: 12 hours ago
TLE from 12 hours ago
0 HERMES 4
1 63833U 25052BP 25298.65184498 .00020556 00000-0 93108-3 0 9990
2 63833 97.4110 189.8458 0002776 1.8356 358.2889 15.20895001 34185Epoch: 2025-10-25T15:38Z
TLE epoch observation values (Epoch: 2025-10-25T15:38:39.406Z)
Latitude
-0.00004°
Longitude
-79.09771°
Altitude
504.321 km
Speed
7.613 km/s
True Right ascension
12h 39m 22s
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
23:08:24
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
502.014 km
Perigee altitude
498.195 km
Semi-major axis
6,878.242 km
Eccentricity
0.00028
Inclination
97.411°
RAAN
189.8458°
Arg. of periapsis
1.8356°
True anomaly
358.28795°
Mean anomaly
358.2889°
Eccentric anomaly
358.28842°
Mean motion
3.80476 °/min
Orbital period
94.62 mins
BSTAR
0.00093108
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Other satellites on launch #52 in the year 2025 (2025-03-15 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.HERMES 4 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 | 2025-10-26 04:51:45.236Z | 57.698° ENE | 2025-10-26 04:53:45.236Z | 95.183° ESE | 16.962° | 2025-10-26 04:55:45.236Z | 131.862° SE |
| 4 mins | 2025-10-26 06:25:45.236Z | 330.989° NNW | 2025-10-26 06:27:45.236Z | 281.515° WNW | 23.958° | 2025-10-26 06:29:45.236Z | 239.623° WSW |
| 5 mins | 2025-10-26 17:02:45.236Z | 177.239° S | 2025-10-26 17:04:45.236Z | 224.023° SW | 42.894° | 2025-10-26 17:07:45.236Z | 341.834° 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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