Universität zu Köln

Spencer, J. R., Stern, S. A., Moore, J. M., Weaver, H. A., Singer, K. N., Olkin, C. B., Verbiscer, A. J., McKinnon, W. B., Parker, J. Wm., Beyer, R. A., Keane, J. T., Lauer, T. R., Porter, S. B., White, O. L., Buratti, B. J., El-Maarry, M. R., Lisse, C. M., Parker, A. H., Throop, H. B., Robbins, S. J., Umurhan, O. M., Binzel, R. P., Britt, D. T., Buie, M. W., Cheng, A. F., Cruikshank, D. P., Elliott, H. A., Gladstone, G. R., Grundy, W. M., Hill, M. E., Horanyi, M., Jennings, D. E., Kavelaars, J. J., Linscott, I. R., McComas, D. J., McNutt, R. L., Jr., Protopapa, S., Reuter, D. C., Schenk, P. M., Showalter, M. R., Young, L. A., Zangari, A. M., Abedin, A. Y., Beddingfield, C. B., Benecchi, S. D., Bernardoni, E., Bierson, C. J., Borncamp, D., Bray, V. J., Chaikin, A. L., Dhingra, R. D., Fuentes, C., Fuse, T., Gay, P. L., Gwyn, S. D. J., Hamilton, D. P., Hofgartner, J. D., Holman, M. J., Howard, A. D., Howett, C. J. A., Karoji, H., Kaufmann, D. E., Kinczyk, M., May, B. H., Mountain, M., Patzold, M., Petit, J. M., Piquette, M. R., Reid, I. N., Reitsema, H. J., Runyon, K. D., Sheppard, S. S., Stansberry, J. A., Stryk, T., Tanga, P., Tholen, D. J., Trilling, D. E. and Wasserman, L. H. (2020). The geology and geophysics of Kuiper Belt object (486958) Arrokoth. Science, 367 (6481). S. 998 - 1035. WASHINGTON: AMER ASSOC ADVANCEMENT SCIENCE. ISSN 1095-9203

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Abstract

The Cold Classical Kuiper Belt, a class of small bodies in undisturbed orbits beyond Neptune, is composed of primitive objects preserving information about Solar System formation. In January 2019, the New Horizons spacecraft flew past one of these objects, the 36-kilometer-long contact binary (486958) Arrokoth (provisional designation 2014 MU69). Images from the flyby show that Arrokoth has no detectable rings, and no satellites (larger than 180 meters in diameter) within a radius of 8000 kilometers. Arrokoth has a lightly cratered, smooth surface with complex geological features, unlike those on previously visited Solar System bodies. The density of impact craters indicates the surface dates from the formation of the Solar System. The two lobes of the contact binary have closely aligned poles and equators, constraining their accretion mechanism.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Spencer, J. R. UNSPECIFIED UNSPECIFIED UNSPECIFIED Stern, S. A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Moore, J. M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Weaver, H. A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Singer, K. N. UNSPECIFIED UNSPECIFIED UNSPECIFIED Olkin, C. B. UNSPECIFIED UNSPECIFIED UNSPECIFIED Verbiscer, A. J. UNSPECIFIED UNSPECIFIED UNSPECIFIED McKinnon, W. B. UNSPECIFIED UNSPECIFIED UNSPECIFIED Parker, J. Wm. UNSPECIFIED UNSPECIFIED UNSPECIFIED Beyer, R. A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Keane, J. T. UNSPECIFIED UNSPECIFIED UNSPECIFIED Lauer, T. R. UNSPECIFIED UNSPECIFIED UNSPECIFIED Porter, S. B. UNSPECIFIED UNSPECIFIED UNSPECIFIED White, O. L. UNSPECIFIED UNSPECIFIED UNSPECIFIED Buratti, B. J. UNSPECIFIED UNSPECIFIED UNSPECIFIED El-Maarry, M. R. UNSPECIFIED UNSPECIFIED UNSPECIFIED Lisse, C. M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Parker, A. H. UNSPECIFIED UNSPECIFIED UNSPECIFIED Throop, H. B. UNSPECIFIED UNSPECIFIED UNSPECIFIED Robbins, S. J. UNSPECIFIED UNSPECIFIED UNSPECIFIED Umurhan, O. M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Binzel, R. P. UNSPECIFIED UNSPECIFIED UNSPECIFIED Britt, D. T. UNSPECIFIED UNSPECIFIED UNSPECIFIED Buie, M. W. UNSPECIFIED UNSPECIFIED UNSPECIFIED Cheng, A. F. UNSPECIFIED UNSPECIFIED UNSPECIFIED Cruikshank, D. P. UNSPECIFIED UNSPECIFIED UNSPECIFIED Elliott, H. A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Gladstone, G. R. UNSPECIFIED UNSPECIFIED UNSPECIFIED Grundy, W. M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Hill, M. E. UNSPECIFIED UNSPECIFIED UNSPECIFIED Horanyi, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Jennings, D. E. UNSPECIFIED UNSPECIFIED UNSPECIFIED Kavelaars, J. J. UNSPECIFIED UNSPECIFIED UNSPECIFIED Linscott, I. R. UNSPECIFIED UNSPECIFIED UNSPECIFIED McComas, D. J. UNSPECIFIED UNSPECIFIED UNSPECIFIED McNutt, R. L., Jr. UNSPECIFIED UNSPECIFIED UNSPECIFIED Protopapa, S. UNSPECIFIED UNSPECIFIED UNSPECIFIED Reuter, D. C. UNSPECIFIED UNSPECIFIED UNSPECIFIED Schenk, P. M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Showalter, M. R. UNSPECIFIED UNSPECIFIED UNSPECIFIED Young, L. A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Zangari, A. M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Abedin, A. Y. UNSPECIFIED UNSPECIFIED UNSPECIFIED Beddingfield, C. B. UNSPECIFIED UNSPECIFIED UNSPECIFIED Benecchi, S. D. UNSPECIFIED UNSPECIFIED UNSPECIFIED Bernardoni, E. UNSPECIFIED UNSPECIFIED UNSPECIFIED Bierson, C. J. UNSPECIFIED UNSPECIFIED UNSPECIFIED Borncamp, D. UNSPECIFIED UNSPECIFIED UNSPECIFIED Bray, V. J. UNSPECIFIED UNSPECIFIED UNSPECIFIED Chaikin, A. L. UNSPECIFIED UNSPECIFIED UNSPECIFIED Dhingra, R. D. UNSPECIFIED UNSPECIFIED UNSPECIFIED Fuentes, C. UNSPECIFIED UNSPECIFIED UNSPECIFIED Fuse, T. UNSPECIFIED UNSPECIFIED UNSPECIFIED Gay, P. L. UNSPECIFIED UNSPECIFIED UNSPECIFIED Gwyn, S. D. J. UNSPECIFIED UNSPECIFIED UNSPECIFIED Hamilton, D. P. UNSPECIFIED UNSPECIFIED UNSPECIFIED Hofgartner, J. D. UNSPECIFIED UNSPECIFIED UNSPECIFIED Holman, M. J. UNSPECIFIED UNSPECIFIED UNSPECIFIED Howard, A. D. UNSPECIFIED UNSPECIFIED UNSPECIFIED Howett, C. J. A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Karoji, H. UNSPECIFIED UNSPECIFIED UNSPECIFIED Kaufmann, D. E. UNSPECIFIED UNSPECIFIED UNSPECIFIED Kinczyk, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED May, B. H. UNSPECIFIED UNSPECIFIED UNSPECIFIED Mountain, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Patzold, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Petit, J. M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Piquette, M. R. UNSPECIFIED UNSPECIFIED UNSPECIFIED Reid, I. N. UNSPECIFIED UNSPECIFIED UNSPECIFIED Reitsema, H. J. UNSPECIFIED UNSPECIFIED UNSPECIFIED Runyon, K. D. UNSPECIFIED UNSPECIFIED UNSPECIFIED Sheppard, S. S. UNSPECIFIED UNSPECIFIED UNSPECIFIED Stansberry, J. A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Stryk, T. UNSPECIFIED UNSPECIFIED UNSPECIFIED Tanga, P. UNSPECIFIED UNSPECIFIED UNSPECIFIED Tholen, D. J. UNSPECIFIED UNSPECIFIED UNSPECIFIED Trilling, D. E. UNSPECIFIED UNSPECIFIED UNSPECIFIED Wasserman, L. H. UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-343776
DOI:	10.1126/science.aay3999
Journal or Publication Title:	Science
Volume:	367
Number:	6481
Page Range:	S. 998 - 1035
Date:	2020
Publisher:	AMER ASSOC ADVANCEMENT SCIENCE
Place of Publication:	WASHINGTON
ISSN:	1095-9203
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language SATURNS MOON PHOEBE; COMETARY NUCLEI; DYNAMICAL EVOLUTION; LIGHT CURVES; SURFACE; IMPACT; HORIZONS; CRATERS; VOYAGER; SHAPE Multiple languages Multidisciplinary Sciences Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/34377