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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, Small (<0.1 m²)

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

TLE from 18 hours ago

0 HERMES-3
1 63835U 25052BR  26120.69686945  .00022971  00000-0  74026-3 0  9996
2 63835  97.3927  16.2153 0003624 309.4756  50.6165 15.32182464 62783

Epoch: 2026-04-30T16:43Z

TLE epoch observation values (Epoch: 2026-04-30T16:43:29.520Z)

Latitude

-0.00001°

Longitude

-93.29746°

Altitude

470.835 km

Speed

7.632 km/s

True Right ascension

01h 04m 51s

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

18:12:57

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

468.732 km

Perigee altitude

463.771 km

Semi-major axis

6,844.388 km

Eccentricity

0.00036

Inclination

97.3927°

RAAN

16.2153°

Arg. of periapsis

309.4756°

True anomaly

50.64861°

Mean anomaly

50.6165°

Eccentric anomaly

50.63255°

Mean motion

3.83302 °/min

Orbital period

93.92 mins

BSTAR

0.00074026

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

LEMUR 2 MARACHE-FRAN, 63262

OBJECT F, 63215

OBJECT BC, 63260

LEMUR 2 DELOITTE-1, 63259

HERMES-6, 63489

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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	2026-05-01 16:22:55.701Z	119.932° SE	2026-05-01 16:24:55.701Z	78.456° E	22.173°	2026-05-01 16:27:55.701Z	16.623° NNE
4 mins	2026-05-02 05:21:55.701Z	58.469° ENE	2026-05-02 05:22:55.701Z	87.319° E	26.498°	2026-05-02 05:25:55.701Z	157.436° SSE

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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

Please sign-in to view Co-orbital & Co-planar RSOs.

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: 2026-04-30T16:43:29.520Z)

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