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Long-term Plan to Monitor Venus using Earth-orbiting CubeSats: Chasing the Long-term Variability of Our Nearest Neighbor Planet Venus (CLOVE)

Lee, Y. J. and Garcia Munoz, A. and Choi, Y.-J. and Rauer, Heike and Michaelis, Harald and Cabrera Perez, Juan and Marq, E and Granzer, T. and Young, Eliot and Lebonnois, Sebastien and Imamura, T. (2022) Long-term Plan to Monitor Venus using Earth-orbiting CubeSats: Chasing the Long-term Variability of Our Nearest Neighbor Planet Venus (CLOVE). 44th COSPAR Scientific Assembly, 16.-24. July 2022, Athens, Greece.

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Abstract

Past Venus studies reported unexpected temporal variations on a global scale in terms of ultraviolet (UV) reflectivity, SO _{2} and H _{2}O gas abundances, cloud top altitudes, and zonal wind speed. These variations are plausibly connected to each other and to global atmospheric circulation, atmospheric chemistry, volcanism, and solar activity cycles. The nature of these reported variations is unknown: are they periodic? What is the driving mechanism? What are the implications for the current climate? To answer these questions, we plan a long-term Venus monitoring campaign. Our plan has been selected by the Institute for Basic Science (IBS), South Korea, and funded for the first 5 years by a research grant (2022-2027). Our international and ambitious project includes long-term monitoring with ground-based telescopes and space-based CubeSats. Ground-based telescopes will perform observations from 320 nm to the near-infrared (NIR). CubeSats in Earth orbit will provide a high temporal resolution and a unique UV wavelength coverage, as is only possible to achieve from space. We will simultaneously retrieve reflectivity, SO _{2} abundance, cloud top altitude, and haze abundance above the clouds to elucidate the mechanism behind their correlations. Our effort will benefit from coordinated observations with the active space missions Akatsuki and BepiColombo. We will perform a feasibility study to assess the use of CubeSats for Venus observations, with the goal of having the first CubeSat ready within 5 years, for a mission that can be extended with other CubeSats for a total of 15 years, covering the time of future Venus missions by NASA and ESA. Long-term monitoring will characterize the temporal variability of the variations, allowing us to reveal their origin and nature.

Item URL in elib:https://elib.dlr.de/190428/
Document Type:Conference or Workshop Item (Speech)
Title:Long-term Plan to Monitor Venus using Earth-orbiting CubeSats: Chasing the Long-term Variability of Our Nearest Neighbor Planet Venus (CLOVE)
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Lee, Y. J.Institute for Basic Science, Daejeon, Koreahttps://orcid.org/0000-0002-4571-0669
Garcia Munoz, A.CEA , Gif-sur-Yvette Cedex, FranceUNSPECIFIED
Choi, Y.-J.Korea Astronomy and Space Science Institute, 776 Daedeokdae-ro, Yuseong-gu, 305-348 Daejeon, KoreaUNSPECIFIED
Rauer, Heikeheike.rauer (at) dlr.dehttps://orcid.org/0000-0002-6510-1828
Michaelis, HaraldHarald.Michaelis (at) dlr.deUNSPECIFIED
Cabrera Perez, JuanJuan.Cabrera (at) dlr.dehttps://orcid.org/0000-0001-6653-5487
Marq, ELATMOS, Université de Versailles Saint-Quentin-en-Yvelines, Guyancourt, FranceUNSPECIFIED
Granzer, T.Leibniz-Institut für Astrophysik Potsdam, An der SternwarteUNSPECIFIED
Young, EliotSouthwest Research Institute, Boulder, Colorado, United StatesUNSPECIFIED
Lebonnois, SebastienCNRS, Paris, Francehttps://orcid.org/0000-0002-2390-8164
Imamura, T.University of Tokyo, Kashiwa, JapanUNSPECIFIED
Date:2022
Refereed publication:No
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:Venus
Event Title:44th COSPAR Scientific Assembly
Event Location:Athens, Greece
Event Type:international Conference
Event Dates:16.-24. July 2022
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Exploration
DLR - Research area:Raumfahrt
DLR - Program:R EW - Space Exploration
DLR - Research theme (Project):R - Project PLATO - PMC and Science
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research > Extrasolar Planets and Atmospheres
Institute of Planetary Research > Leitungsbereich PF
Institute of Planetary Research > Planetary Sensor Systems
Deposited By: Cabrera Perez, Juan
Deposited On:21 Nov 2022 14:30
Last Modified:21 Nov 2022 14:30

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