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Juventas

active
Science ExplorationinterplanetaryLaunched 10/7/2024
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Mission & Launch
Launch Mission
Hera
Launch Vehicle
Falcon 9 FT5
Launch Date
10/7/2024
Orbit & Mass
Orbit Class
interplanetary
Altitude
-18,089 km
Inclination
34.2 deg
Dry Mass
12 kg
Total Mass
12 kg
Payload Classification
Mission Type
Science Exploration
Payload Category
PLAN
Payload Class
C
Organizations
Operator
European Space Agency (ESA)
Manufacturer
GomSpace
Registry
Track
Mentions
30
All verified mentions of this spacecraft in source documents.
0.0-5.0
Actions

GomSpace worked on the Juventas CubeSat designed for radar imaging of the Didymos asteroid system.

CapabilityValue 4.0Jan 9, 2026GomSpace Secures €2.9 Million Contract for North American Lunar Mission

Henon is the first CubeSat that will fly independently without a parent spacecraft, unlike Juventas and Milani which will communicate with the larger Hera spacecraft.

Capability
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Plan
Value 3.8
Oct 30, 2025
ESA's first stand-alone deep-space CubeSat Henon takes shape

The contract for advanced operational support for Juventas runs until the second quarter of 2027.

RelationshipsPlanValue 4.0Oct 28, 2025Europe advances asteroid defense as GomSpace secures operational support contract

GomSpace's HOOP product supports the implementation of the ground segment for the HERA's Juventas mission.

CapabilityRelationshipsValue 4.0Oct 28, 2025Europe advances asteroid defense as GomSpace secures operational support contract

The HERA-Juventas satellite and the Milani companion vehicle will begin surveying the Didymos-Dimorphos asteroid system from January to May 2027.

PlanCapabilityValue 4.5Oct 28, 2025Europe advances asteroid defense as GomSpace secures operational support contract

The HERA spacecraft with Juventas on board launched on Monday 2024-10-07.

PlanValue 4.2Nov 6, 2024GomSpace signs 325.000€ contract change notice for Juventas mission

GomSpace signed a contract change notice with the European Space Agency for 325,000€ (3.8 MSEK) to support additional project activities for the Juventas mission.

RelationshipsFinancialPlanValue 4.0Nov 6, 2024GomSpace signs 325.000€ contract change notice for Juventas mission

Juventas is a cubesat flying with Hera, equipped with a radar designed to map the interior of Dimorphos.

CapabilityGeneralValue 4.0Oct 14, 2024The trials and tribulations of Hera

The Juventas nanosatellite was partly developed in Luxembourg by GomSpace and is currently in testing to be part of the HERA mission programmed for October 2024.

PlanCapabilityValue 4.0May 7, 2024ESA and Luxembourg Extend Space Resources Collaboration

Luxembourg’s GomSpace oversaw the Juventas CubeSat for ESA and performed spacecraft integration at GomSpace’s head office in Denmark.

RelationshipsCapabilityValue 4.0Mar 28, 2024ESA: Radar journey to centre of Hera’s asteroid with Juventas CubeSat

The HERA-Juventas satellite will launch as part of the HERA mission in October 2024.

PlanValue 4.5Dec 5, 2023SPACEBEL + GomSpace sign contract for Juventas Operations

Hera will carry two smallsats named Juventas and Milani, which are Europe’s first deep-space CubeSats.

CapabilityGeneralValue 4.0Aug 24, 2023ESA: Hera asteroid spacecraft assembled

Juventas and Milani will gather data on the asteroid Dimorphos and test new intersatellite link technology.

PlanCapabilityValue 3.5Aug 24, 2023ESA: Hera asteroid spacecraft assembled

The 1,500,000-euro amount in the Contract Change Notice is provided to GomSpace to perform system-level adaptations to increase Juventas mission robustness.

RelationshipsFinancialCapabilityValue 4.0Aug 18, 2023GomSpace + ESA sign contract change notice for the Juventas CubeSat implementation

GomSpace plans to build the Juventas cubesat in Luxembourg, which will scan the interior of Dimorphos using a low-frequency radar.

PlanCapabilityValue 4.2Sep 15, 2020OHB to build ESA’s Hera asteroid mission

Juventas will be part of ESA's HERA mission to a binary asteroid system, the first of its kind in Europe.

RelationshipsPlanValue 3.7Jan 21, 2019ESA and GomSpace Sign Contract for Advanced Nanosatellite to join the HERA mission

Juventas will finalize its mission with a landing that uses the dynamics of likely bouncing impact events to capture details of the asteroid's surface material properties.

PlanValue 3.2Jan 21, 2019ESA and GomSpace Sign Contract for Advanced Nanosatellite to join the HERA mission

Juventas will perform satellite-to-satellite radio-science experiments and carry out a low-frequency radar survey of the asteroid interior in collaboration with HERA.

CapabilityGeneralValue 4.0Jan 21, 2019ESA and GomSpace Sign Contract for Advanced Nanosatellite to join the HERA mission

In close orbit around Didymoon, Juventas will measure the gravity field and the internal structure of the asteroid.

CapabilityPlanValue 4.0Jan 21, 2019ESA and GomSpace Sign Contract for Advanced Nanosatellite to join the HERA mission

GomSpace is the project prime responsible for delivering the Juventas spacecraft and mission design.

RelationshipsCapabilityValue 3.5Jan 21, 2019ESA and GomSpace Sign Contract for Advanced Nanosatellite to join the HERA mission