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HERMES-3, 63835

Orbit data source: Space-Track

HERMES-3, 63835 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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<iframe src="https://www.satcat.com/sats-embedded/63835?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

https://www.satcat.com/sats-embedded/63835?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

63835, 2025-052BR

Orbit

SSO

Country

Related business

Italian Space Agency (IT)

Manufacturer

MILANP/INAFI

Mission

Operational Civil Astronomy

Bus & Motor

CUBESAT 3U, Unknown motor

Mass

5 kg wet, 5 kg dry

Launch date (UTC)

2025-03-15 (2 years ago)

Launch vehicle

FALCON 9

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box, 0.2 m

Radar Cross Section

0.035 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history
Last TLE update: 18 hours ago

TLE from 18 hours ago

0 HERMES-3
1 63835U 25052BR  26306.43290160  .00018129  00000-0  47537-3 0  9991
2 63835  97.3677 202.2353 0006302  22.1442 338.0075 15.38704118 91283

Epoch: 2026-11-02T10:23Z

TLE epoch observation values (Epoch: 2026-11-02T10:23:22.698Z)

Latitude

0.00005°

Longitude

4.68072°

Altitude

449.067 km

Speed

7.645 km/s

True Right ascension

13h 28m 56s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

00:24:00

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

451.181 km

Perigee altitude

442.578 km

Semi-major axis

6,825.017 km

Eccentricity

0.00063

Inclination

97.3677°

RAAN

202.2353°

Arg. of periapsis

22.1442°

True anomaly

337.98044°

Mean anomaly

338.0075°

Eccentric anomaly

337.99397°

Mean motion

3.84935 °/min

Orbital period

93.52 mins

BSTAR

0.00047537

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Other satellites on launch #52 in the year 2025 (2025-03-15 UTC)

HERMES-5, 63834

LEMUR 2 DELOITTE-1, 63259

LIZZIESAT-3 (LS-3), 63233

EZIE-C, 63249

LEMUR 2 LEIA-PHILIP, 63246

PANDORE, 63244

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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.

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HERMES-3 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	2026-11-03 05:40:39.030Z	29.201° NE	2026-11-03 05:43:39.030Z	99.124° ESE	39.059°	2026-11-03 05:46:39.030Z	168.203° S
4 mins	2026-11-03 17:44:39.030Z	209.735° SW	2026-11-03 17:46:39.030Z	270.777° WNW	32.761°	2026-11-03 17:48:39.030Z	320.328° NNW

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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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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

CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

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Check out HERMES-3, 63835 on other resources

View HERMES-3, 63835 on NASA - NSSDCA Website

View HERMES-3, 63835 on Heavens-Above

View HERMES-3, 63835 on Keep Track

View HERMES-3, 63835 on Celestrak

View HERMES-3, 63835 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

HERMES-3, 63835

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 18 hours ago

TLE from 18 hours ago

TLE epoch observation values (Epoch: 2026-11-02T10:23:22.698Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #52 in the year 2025 (2025-03-15 UTC)

HERMES-3 Visibility forecast

Co-orbital & Co-planar RSOs

Check out HERMES-3, 63835 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 18 hours ago