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Separations · Release

ION Marvelous Mathias released HERMES Pathfinder H3

Recorded as April 11, 2025 at 05:37:00 UTC, to the second.

WhenApril 11, 2025 at 05:37:00 UTCto the second
After launch27 days
Orbit503 × 516 kminclination 97.44°
Objects released1

Where it came from

  1. Parent · PayloadION Marvelous Mathias2025-052W · DORBIT · 150 kg
  2. This eventHERMES Pathfinder H32025-052BR · ASI · 5 kgApril 11, 2025 at 05:37:00 UTC

The two orbits

As recorded today, not at the moment of separation
ION Marvelous MathiasHERMES Pathfinder H3
Perigee511 km503 km
Apogee520 km516 km
Inclination97.44°97.44°
Mass150 kg5 kg
Orbit classLLEO/SLLEO/S

What the record says

Updated Oct 2, 2026
JCAT
S63835
Satcat
63835
Piece
2025-052BR
Name
HERMES Pathfinder H3
PLName
HERMES Pathfinder H3
Parent
S63230
SDate
2025 Apr 11 0537:00
Owner
ASI
Status
O

Reading the date: it is known to the second, so this page writes “April 11, 2025 at 05:37:00 UTC” and never more than that.

Next passes

Seen from 45.7578°, 4.832°(Lyon, the default)

Separation data: GCAT, Jonathan C. McDowell, planet4589.org — CC BY 4.0. Passes: computed by NextPass with Orekit.