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E-Type Asteroid (2867) Steins as Imaged by OSIRIS on Board Rosetta
- Source :
- Science, Science, 2010, 327 (5962), pp.190-193. ⟨10.1126/science.1179559⟩, Science (N. Y., N.Y.) 327 (2010): 190–193. doi:10.1126/science.1179559, info:cnr-pdr/source/autori:H.U. Keller; C. Barbieri; D. Koschny; P. Lamy; H. Rickman; R. Rodrigo; H. Sierks; M.F. A'Hearn; F. Angrilli, M. A. Barucci; J.-L. Bertaux; G. Cremonese; V. Da Deppo; B. Davidsson; M. De Cecco; S. Debei; S. Fornasier; M. Fulle; O. Groussin, P. J. Gutierrez; S. F. Hviid; W.-H. Ip; L. Jorda; J. Knollenberg; J. R. Kramm; E. Kührt; M. Küppers; L.-M. Lara; M. Lazzarin; J. Lopez Moreno; F. Marzari; H. Michalik; G. Naletto;L. Sabau; N. Thomas; K.-P. Wenzel; I. Bertini; S. Besse; F. Ferri; M. Kaasalainen; S. Lowry; S. Marchi; S. Mottola; W. Sabolo; S. E. Schröder;S. Spjuth; P. Vernazza/titolo:E-Type Asteroid (2867) Steins as Imaged by OSIRIS on Board Rosetta/doi:10.1126%2Fscience.1179559/rivista:Science (N. Y., N.Y.)/anno:2010/pagina_da:190/pagina_a:193/intervallo_pagine:190–193/volume:327, Digital.CSIC. Repositorio Institucional del CSIC, instname, Science, American Association for the Advancement of Science, 2010, 327 (5962), pp.190-193. ⟨10.1126/science.1179559⟩
- Publication Year :
- 2010
-
Abstract
- The European Space Agency’s Rosetta mission encountered the main-belt asteroid (2867) Steins while on its way to rendezvous with comet 67P/Churyumov-Gerasimenko. Images taken with the OSIRIS (optical, spectroscopic, and infrared remote imaging system) cameras on board Rosetta show that Steins is an oblate body with an effective spherical diameter of 5.3 kilometers. Its surface does not show color variations. The morphology of Steins is dominated by linear faults and a large 2.1-kilometer-diameter crater near its south pole. Crater counts reveal a distinct lack of small craters. Steins is not solid rock but a rubble pile and has a conical appearance that is probably the result of reshaping due to Yarkovsky-O’Keefe-Radzievskii-Paddack (YORP) spin-up. The OSIRIS images constitute direct evidence for the YORP effect on a main-belt asteroid.
- Subjects :
- Asteroid (2867)
010504 meteorology & atmospheric sciences
[PHYS.ASTR.EP]Physics [physics]/Astrophysics [astro-ph]/Earth and Planetary Astrophysics [astro-ph.EP]
Comet
CRATERS
[SDU.ASTR.EP]Sciences of the Universe [physics]/Astrophysics [astro-ph]/Earth and Planetary Astrophysics [astro-ph.EP]
engineering.material
01 natural sciences
Astrobiology
collisional history
Impact crater
belt
0103 physical sciences
Rosetta
OSIRIS
010303 astronomy & astrophysics
0105 earth and related environmental sciences
Physics
Multidisciplinary
biology
Rubble
Astronomy
Asteroid (2867) Steins
biology.organism_classification
On board
Asteroid
ASTEROID-2867-STEINS
engineering
Asteroid belt
Board Rosetta
Solid rock
Osiris
Subjects
Details
- ISSN :
- 00368075 and 10959203
- Database :
- OpenAIRE
- Journal :
- Science, Science, 2010, 327 (5962), pp.190-193. ⟨10.1126/science.1179559⟩, Science (N. Y., N.Y.) 327 (2010): 190–193. doi:10.1126/science.1179559, info:cnr-pdr/source/autori:H.U. Keller; C. Barbieri; D. Koschny; P. Lamy; H. Rickman; R. Rodrigo; H. Sierks; M.F. A'Hearn; F. Angrilli, M. A. Barucci; J.-L. Bertaux; G. Cremonese; V. Da Deppo; B. Davidsson; M. De Cecco; S. Debei; S. Fornasier; M. Fulle; O. Groussin, P. J. Gutierrez; S. F. Hviid; W.-H. Ip; L. Jorda; J. Knollenberg; J. R. Kramm; E. Kührt; M. Küppers; L.-M. Lara; M. Lazzarin; J. Lopez Moreno; F. Marzari; H. Michalik; G. Naletto;L. Sabau; N. Thomas; K.-P. Wenzel; I. Bertini; S. Besse; F. Ferri; M. Kaasalainen; S. Lowry; S. Marchi; S. Mottola; W. Sabolo; S. E. Schröder;S. Spjuth; P. Vernazza/titolo:E-Type Asteroid (2867) Steins as Imaged by OSIRIS on Board Rosetta/doi:10.1126%2Fscience.1179559/rivista:Science (N. Y., N.Y.)/anno:2010/pagina_da:190/pagina_a:193/intervallo_pagine:190–193/volume:327, Digital.CSIC. Repositorio Institucional del CSIC, instname, Science, American Association for the Advancement of Science, 2010, 327 (5962), pp.190-193. ⟨10.1126/science.1179559⟩
- Accession number :
- edsair.doi.dedup.....c7e70e29dc5866f22627c5c7d3bb8a4b
- Full Text :
- https://doi.org/10.1126/science.1179559⟩