Rotational breakup as the origin of small binary asteroids

Nature

Volumn 454, Issue 7201, 2008, Pages 188-191

  Walsh, Kevin J ^a,b   Richardson, Derek C ^b   Michel, Patrick ^a  

^a UNIVERSITÉ DE NICE SOPHIA ANTIPOLIS   (France)

^b Bldg 142   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ASTEROID; ECCENTRICITY; ROTATION;

ARTICLE; ASTRONOMY; GRAVITY; PRIORITY JOURNAL; ROTATION; SIMULATION;

EID: 47049105097     PISSN: 00280836     EISSN: 14764687     Source Type: Journal    
DOI: 10.1038/nature07078     Document Type: Article

References (21)

1. Pravec, P. et al. Photometric survey of binary near-Earth asteroids. Icarus 181, 63-93 (2006).
2. Pravec, P. & Harris, A. W. Binary asteroid population. Icarus 190, 250-259 (2007).
3. Ostro, S. J. et al. Radar imaging of binary near-Earth asteroid (66391) 1999 KW4. Science 314, 1276-1280 (2006).
4. Scheeres, D. J. et al. Dynamical configuration of binary near-Earth asteroid (66391) 1999 KW4. Science 314, 1280-1283 (2006).
5. Richardson, D. C. & Walsh, K. J. Binary minor planets. Annu. Rev. Earth Planet. Sci. 34, 47-81 (2006).
6. Walsh, K. J. & Richardson, D. C. Binary near-Earth asteroid formation: Rubble pile model of tidal disruptions. Icarus 180, 201-216 (2006).
7. Walsh, K. J. & Richardson, D. C. A steady-state model of NEA binaries formed by tidal disruption of gravitational aggregates. Icarus 193, 553-566 (2008).
8. Michel, P. et al. Collisions and gravitational reaccumulation: forming asteroid families and satellites. Science 294, 1696-1700 (2001).
9. Durda, D. D. et al. The formation of asteroid satellites in catastrophic impacts: Results from numerical simulations. Icarus 167, 382-396 (2004).
10. Rubincam, D. P. Radiative spin-up and spin-down of small asteroids. Icarus 148, 2-11 (2000).
11. Paddack, S. J. & Rhee, J. W. Rotational bursting of interplanetary dust particles. Geophys. Res. Lett. 2, 365-367 (1975).
12. Lowry, S. C. et al. Direct detection of the asteroidal YORP effect. Science 316, 272-274 (2007).
13. Taylor, P. A. et al. Spin rate of asteroid (54509) 2000 PH5 increasing due to the YORP effect. Science 316, 274-277 (2007).
14. Kaasalainen, M., Ďurech, J., Warner, B. D., Kugly, Y. N. & Gaftonyuk, N. N. Acceleration of the rotation of asteroid 1862 Apollo by radiation torques. Nature 446, 420-422 (2007).
15. Ćuk, M. Formation and destruction of small binary asteroids. Astrophys. J. 659, 57-60 (2007).
16. Pravec, P. & Harris, A. W. Fast and slow rotation of asteroids. Icarus 148, 12-20 (2000).
17. Richardson, D. C., Leinhardt, Z. M., Melosh, H. J., Bottke, W. F. & Asphaug, E. in Asteroids III (eds Bottke, W. F. Jr, Cellino, A., Paolicchi, P. & Binzel, R. P.) 501-515 (Univ. of Arizona Press, Tucson, AZ, 2002).
18. Richardson, D. C., Elankumaran, R. E. & Sanderson, R. E. Numerical experiments with rubble piles: equilibrium shapes and spins. Icarus 173, 349-361 (2005).
19. Fujiwara, A. et al. The rubble-pile asteroid Itokawa as observed by Hayabusa. Science 312, 1330-1334 (2006).
20. Supulver, K. D., Bridges, F. G. & Lin, D. N. C. The coefficient of restitution of ice particles in glancing collisions: Experimental results for unfrosted surfaces. Icarus 113, 188-199 (1995).
21. Fujii, Y. & Nakamura, A. M. Compaction and fragmentation of porous targets at low velocity collisions. Lunar Planet. Sci. Conf. XXXVIII, abstract 1525 (2007).