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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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<iframe src="https://www.satcat.com/sats-embedded/63833?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/63833?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

63833, 2025-052BP

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 (11 months ago)

Launch vehicle

FALCON 9

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box, 14.5 m

Radar Cross Section

0.035 m², Small (<0.1 m²)

Expand to show TLE details & history
Last TLE update: 21 hours ago

TLE from 21 hours ago

0 HERMES 4
1 63833U 25052BP  26032.26565330  .00015972  00000-0  63763-3 0  9992
2 63833  97.4069 287.1581 0003000  15.9902 344.1430 15.25234299 49195

Epoch: 2026-02-01T06:22Z

TLE epoch observation values (Epoch: 2026-02-01T06:22:32.445Z)

Latitude

-0.00001°

Longitude

60.04515°

Altitude

491.197 km

Speed

7.62 km/s

True Right ascension

19h 08m 37s

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

05:38:56

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

489.1 km

Perigee altitude

484.981 km

Semi-major axis

6,865.178 km

Eccentricity

0.0003

Inclination

97.4069°

RAAN

287.1581°

Arg. of periapsis

15.9902°

True anomaly

344.1336°

Mean anomaly

344.143°

Eccentric anomaly

344.1383°

Mean motion

3.81562 °/min

Orbital period

94.35 mins

BSTAR

0.00063763

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

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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.
4 mins	2026-02-02 04:59:58.914Z	51.752° ENE	2026-02-02 05:01:58.914Z	91.964° ESE	20.043°	2026-02-02 05:03:58.914Z	134.947° SE
4 mins	2026-02-02 06:33:58.914Z	324.653° NNW	2026-02-02 06:35:58.914Z	279.587° WNW	19.532°	2026-02-02 06:37:58.914Z	243.459° WSW
5 mins	2026-02-02 17:08:58.914Z	184.509° SSW	2026-02-02 17:10:58.914Z	232.305° WSW	39.439°	2026-02-02 17:13:58.914Z	336.634° 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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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

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Check out HERMES 4, 63833 on other resources

View HERMES 4, 63833 on NASA - NSSDCA Website

View HERMES 4, 63833 on Heavens-Above

View HERMES 4, 63833 on Keep Track

View HERMES 4, 63833 on Celestrak

View HERMES 4, 63833 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 4, 63833

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 21 hours ago

TLE from 21 hours ago

TLE epoch observation values (Epoch: 2026-02-01T06:22:32.445Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

HERMES 4 Visibility forecast

Co-orbital & Co-planar RSOs

Check out HERMES 4, 63833 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 21 hours ago