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Envision mission facts. Envision will combine observations at ultraviolet, infrared, microwave and high frequency radio wavelengths to study geological and atmospheric processes at a range of scales, from the core to the upper atmosphere of Venus.
- Esa's Venus Express
Artist's view of Venus Radio Science experiment. Launched 9...
- Past Missions to Venus
First spacecraft in orbit around Venus. Landers returned the...
- Kourou, French Guiana
The launch facilities as seen from the ISS. Just northwest...
- Mission information
EnVision is ESA's next mission to Venus, and consists of an...
- Esa's Venus Express
VenSAR (Ven us S ynthetic A perture R adar) will characterize structural and geomorphic evidence of multi-scale processes that shaped the geological history of Venus as well as characterize current volcanic, tectonic, and sedimentary activity.
- Spacecraft
- Launch, Planetary Transfer, and Venus Orbit Phases
- Science Data Downlink
- Science Orbit and Data Coverage
The spacecraft will be a roughly rectangular three-axis stabilised satellite, weighing approximately 4.1 tonnes at launch (1.7 tonnes dry mass), measuring approx. 2 m x 2 m x 3 m in stowed configuration, with two deployable solar arrays. It will have a power budget of around 3 kW and a large volume (200 Tbits) of science data to be downlinked to Ea...
The EnVision launch is scheduled for November 2031, with back-up dates in 2032 and 2033. The mission will launch with an Ariane 64 rocket (direct escape). The interplanetary cruise phase will take around 15 months. The Venus orbit insertion will be highly elliptic, and the final science orbit will be reached by means of Aerobraking. The Aerobraking...
The science data downlink capability is ~200 Tbits using Ka-/X-band comms system with a >2.5 m diameter fixed high-gain antenna.
The spacecraft orbit will be polar, with a duration of ~92 minutes and an inclination between 87o and 89o. The orbit will be elliptical, with spacecraft altitudes varying between ~220 and 510 km above the surface. The slow rotation rate of Venus leads to a slow build-up of the observation coverage of the planet during the 6 Venus sideral days (~4 E...
EnVision aims to characterise Venus’ core and mantle structure, to detect signs of past geologic processes, and to look for evidence of past liquid water. Recent modelling studies strongly suggest that the evolution of the atmosphere and interior of Venus are coupled, emphasising the need to study the atmosphere, surface, and interior of ...
Jan 25, 2024 · Envision will study Venus from its inner core to its outer atmosphere, giving important new insight into the planet's history, geological activity and climate. Being adopted means that the study phase is complete and ESA commits to implementing the mission.
Venus. EnVision will be ESA’s next Venus orbiter, providing a holistic view of the planet from its inner core to upper atmosphere to determine how and why Venus and Earth evolved so differently.
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What is ESA's next mission to Venus?
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Jun 9, 2021 · EnVision will be ESA’s next Venus orbiter, providing a holistic view of the planet from its inner core to upper atmosphere to determine how and why Venus and Earth evolved so differently.
