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, Small (<0.1 m²)
Expand to show TLE details & historyLast TLE update: 7 hours ago
TLE from 7 hours ago
0 HERMES 4
1 63833U 25052BP 26129.95721763 .00011496 00000-0 41106-3 0 9993
2 63833 97.3912 24.0193 0002882 33.7889 326.3535 15.28965393 64102Epoch: 2026-05-09T22:58Z
TLE epoch observation values (Epoch: 2026-05-09T22:58:23.603Z)
Latitude
0.00007°
Longitude
171.65374°
Altitude
480.361 km
Speed
7.626 km/s
True Right ascension
01h 36m 04s
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
14:20:14
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
477.832 km
Perigee altitude
473.882 km
Semi-major axis
6,853.994 km
Eccentricity
0.00029
Inclination
97.3912°
RAAN
24.0193°
Arg. of periapsis
33.7889°
True anomaly
326.3352°
Mean anomaly
326.3535°
Eccentric anomaly
326.34435°
Mean motion
3.82497 °/min
Orbital period
94.12 mins
BSTAR
0.00041106
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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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-05-10 16:23:27.793Z | 128.709° SE | 2026-05-10 16:26:27.793Z | 57.24° ENE | 25.364° | 2026-05-10 16:28:27.793Z | 16.51° NNE |
| 5 mins | 2026-05-11 05:23:27.793Z | 36.369° NE | 2026-05-11 05:25:27.793Z | 86.533° E | 31.922° | 2026-05-11 05:28:27.793Z | 165.248° S |
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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