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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 (1 year 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: 16 hours ago

TLE from 16 hours ago

0 HERMES-3
1 63835U 25052BR  26212.67931425  .00016771  00000-0  48771-3 0  9991
2 63835  97.3807 108.2071 0004985 353.9885   6.1298 15.35507218 76889

Epoch: 2026-07-31T16:18Z

TLE epoch observation values (Epoch: 2026-07-31T16:18:12.751Z)

Latitude

0°

Longitude

-85.64805°

Altitude

459.137 km

Speed

7.639 km/s

True Right ascension

07h 12m 49s

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

21:57:43

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

459.765 km

Perigee altitude

452.951 km

Semi-major axis

6,834.495 km

Eccentricity

0.0005

Inclination

97.3807°

RAAN

108.2071°

Arg. of periapsis

353.9885°

True anomaly

6.1359°

Mean anomaly

6.1298°

Eccentric anomaly

6.13285°

Mean motion

3.84135 °/min

Orbital period

93.72 mins

BSTAR

0.00048771

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

HERMES-6, 63489

OBJECT F, 63215

LEMUR 2 MARACHE-FRAN, 63262

PIONEER-03, 63224 (Decayed)

LEMUR 2 THEFALCONER, 63264

ETIHAD-SAT, 63226

ICEYE-X51, 63257

FIRESAT0, 63256

LEMUR 2 DELOITTE-1, 63259

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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.
5 mins	2026-08-01 17:27:22.018Z	189.491° SSW	2026-08-01 17:30:22.018Z	285.653° WNW	34.572°	2026-08-01 17:32:22.018Z	330.449° NNW
6 mins	2026-08-02 06:23:22.018Z	354.292° N	2026-08-02 06:26:22.018Z	288.508° WNW	31.426°	2026-08-02 06:29:22.018Z	219.229° SW

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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: 16 hours ago

TLE from 16 hours ago

TLE epoch observation values (Epoch: 2026-07-31T16:18:12.751Z)

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: 16 hours ago