The ESA Hera Mission: Detailed Characterization of the DART Impact Outcome and of the Binary Asteroid (65803) Didymos

被引：121

作者：

Michel, Patrick ^{[1
]}

Kuppers, Michael ^{[2
]}

Campo Bagatin, Adriano ^{[3
]}

Carry, Benoit ^{[1
]}

Charnoz, Sebastien ^{[4
]}

de Leon, Julia ^{[5
]}

Fitzsimmons, Alan ^{[6
]}

Gordo, Paulo ^{[7
]}

Green, Simon F. ^{[8
]}

Herique, Alain ^{[9
]}

Juzi, Martin ^{[10
]}

Karatekin, Ozgur ^{[11
]}

Kohout, Tomas ^{[12
]}

Lazzarin, Monica ^{[13
]}

Murdoch, Naomi ^{[14
]}

Okada, Tatsuaki ^{[15
]}

Palomba, Ernesto ^{[16
]}

Pravec, Petr ^{[17
]}

Snodgrass, Colin ^{[18
]}

Tortora, Paolo ^{[19
]}

Tsiganis, Kleomenis ^{[20
]}

Ulamec, Stephan ^{[21
]}

Vincent, Jean-Baptiste ^{[22
]}

Wuennemann, Kai ^{[23
]}

Zhang, Yun ^{[1
,24
]}

Raducan, Sabina D. ^{[10
]}

Dotto, Elisabetta ^{[25
]}

Chabot, Nancy ^{[26
]}

Cheng, Andy F. ^{[26
]}

Rivkin, Andy ^{[26
]}

Barnouin, Olivier ^{[26
]}

Ernst, Carolyn ^{[26
]}

Stickle, Angela ^{[26
]}

Richardson, Derek C. ^{[24
]}

Thomas, Cristina ^{[27
]}

Arakawa, Masahiko ^{[28
]}

Miyamoto, Hirdy ^{[29
]}

Nakamura, Akiko ^{[28
]}

Sugita, Seiji ^{[29
]}

Yoshikawa, Makoto ^{[15
]}

Abell, Paul ^{[30
]}

Asphaug, Erik ^{[31
]}

Ballouz, Ronald-Louis ^{[26
]}

Bottke, William F., Jr. ^{[32
]}

Lauretta, Dante S. ^{[31
]}

Walsh, Kevin J. ^{[32
]}

Martino, Paolo ^{[33
]}

Carnelli, Ian ^{[33
]}

机构：

[1] Univ Cote dAzur, Observ Cote dAzur, Lab Lagrange, CNRS, CS 3422-9, F-06304 Nice, France

[2] European Space Agcy, European Space Astron Ctr, Camino Bajo Castillo S-N, Madrid 28692, Spain

[3] Univ Alicante, POB 99, Alicante 03080, Spain

[4] Univ Paris, Inst Phys Globe Paris, CNRS, F-75005 Paris, France

[5] Univ La Laguna, Inst Astrofis Canarias IAC, Tenerife, Spain

[6] Queens Univ Belfast, Astrophys Res Ctr, Belfast BT7 1NN, Antrim, North Ireland

[7] Univ Lisbon, Fac Ciencias, Lisbon, Portugal

[8] Open Univ, Sch Phys Sci, Robert Hooke Bldg,Walton Hall, Milton Keynes MK7 6AA, Bucks, England

[9] Univ Grenoble Alpes, IPAG, CNES, CNRS, F-38000 Grenoble, France

[10] Univ Bern, Phys Inst, Space Res & Planetary Sci, Bern, Switzerland

[11] Royal Observ Belgium, Brussels, Belgium

[12] Univ Helsinki, Finland Inst Geol, Czech Acad Sci, Dept Geosci & Geog, Prague, Czech Republic

[13] Padova Univ, Dept Phys & Astron, Vicolo Osservatorio 3, I-35122 Padua, Italy

[14] Univ Toulouse, ISAE SUPAERO, DEOS Space Syst Planetary Applicat, 10 Ave Edouard Belin,BP 54032, F-31055 Toulouse 4, France

[15] Japan Aerosp Explorat Agcy JAXA, Inst Space & Astronaut Sci, Chuo Ku, 3-1-1 Yoshinodai, Sagamihara, Kanagawa 2525210, Japan

[16] Ist Astrofis & Planetol Spaziali INAF, Via Fosso Cavaliere 100, I-100133 Rome, Italy

[17] Czech Acad Sci, Astron Inst, Fricova 298, Ondrejov, Czech Republic

[18] Univ Edinburgh, Inst Astron, Royal Observ, Edinburgh EH9 3HJ, Midlothian, Scotland

[19] Univ Bologna, Dept Ind Engn, Via Fontanelle 40, I-47121 Forli, FC, Italy

[20] Aristotle Univ Thessaloniki, Thessaloniki 54124, Greece

[21] German Aerosp Ctr DLR, RB MUSC, Linder Hohe 1, D-51147 Cologne, Germany

[22] DLR Inst Planetary Res, Berlin, Germany

[23] Museum Naturkunde Berlin, Leibniz Inst Evolut & Biodivers Sci, Invalidenstr 43, D-10115 Berlin, Germany

[24] Univ Maryland, 4296 Stadium Dr, College Pk, MD 20742 USA

[25] INAF Osservatorio Astron Roma, Via Frascati 33, I-00078 Rome, Italy

[26] JHU APL, 11100 Johns Hopkins Rd, Laurel, MD 20723 USA

[27] No Arizona Univ, Dept Astron & Planetary Sci, POB 6010, Flagstaff, AZ 86011 USA

[28] Kobe Univ, Dept Planetol, Nada Ku, 1-1 Rokkodai Cho, Kobe, Hyogo 6578501, Japan

[29] Univ Tokyo, Bunkyo Ku, 7-3-1 Hongo, Tokyo 1130033, Japan

[30] NASA, Johnson Space Ctr, 2101 NASA Pkwy,Mail Code 11, Houston, TX 77058 USA

[31] Univ Arizona, 1629 E Univ Blvd, Tucson, AZ 85721 USA

[32] Southwest Res Inst, 1050 Walnut St, Boulder, CO 80302 USA

[33] ESA ESTEC, POB 299, NL-2200 AG Noordwijk, Netherlands

来源：

PLANETARY SCIENCE JOURNAL | 2022年 / 3卷 / 07期

基金：

芬兰科学院;

关键词：

ROTATIONAL BREAKUP; 162173; RYUGU; STRENGTH; SURFACE; DISTRIBUTIONS; PERFORMANCE; POPULATION; REGOLITH; PHYSICS; ORIGIN;

D O I：

10.3847/PSJ/ac6f52

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Hera is a planetary defense mission under development in the Space Safety and Security Program of the European Space Agency for launch in 2024 October. It will rendezvous in late 2026 December with the binary asteroid (65803) Didymos and in particular its moon, Dimorphos, which will be impacted by NASA's DART spacecraft on 2022 September 26 as the first asteroid deflection test. The main goals of Hera are the detailed characterization of the physical properties of Didymos and Dimorphos and of the crater made by the DART mission, as well as measurement of the momentum transfer efficiency resulting from DART's impact. The data from the Hera spacecraft and its two CubeSats will also provide significant insights into asteroid science and the evolutionary history of our solar system. Hera will perform the first rendezvous with a binary asteroid and provide new measurements, such as radar sounding of an asteroid interior, which will allow models in planetary science to be tested. Hera will thus provide a crucial element in the global effort to avert future asteroid impacts at the same time as providing world-leading science.

引用

页数：21

共 40 条

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