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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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, Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 10 hours ago
TLE from 10 hours ago
0 HERMES 4
1 63833U 25052BP 26220.25687501 .00005184 00000-0 17309-3 0 9994
2 63833 97.3803 113.8323 0004075 51.6593 308.5014 15.31475987 77916Epoch: 2026-08-08T06:09Z
TLE epoch observation values (Epoch: 2026-08-08T06:09:54.000Z)
Latitude
-0.00006°
Longitude
64.58649°
Altitude
472.777 km
Speed
7.631 km/s
True Right ascension
07h 35m 19s
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
06:25:06
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
471.147 km
Perigee altitude
465.567 km
Semi-major axis
6,846.494 km
Eccentricity
0.00041
Inclination
97.3803°
RAAN
113.8323°
Arg. of periapsis
51.6593°
True anomaly
308.46484°
Mean anomaly
308.5014°
Eccentric anomaly
308.48312°
Mean motion
3.83125 °/min
Orbital period
93.96 mins
BSTAR
0.00017309
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-08-08 17:15:50.218Z | 182.952° SSW | 2026-08-08 17:18:50.218Z | 257.855° W | 38.851° | 2026-08-08 17:21:50.218Z | 336.715° NNW |
| 5 mins | 2026-08-09 06:14:50.218Z | 351.537° N | 2026-08-09 06:17:50.218Z | 264.176° W | 31.541° | 2026-08-09 06:19:50.218Z | 221.456° SW |
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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