Near Earth Asteroids with measurable Yarkovsky effect
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...Given an estimated value of AT and the assumed value of d, one can readily derive the time-averaged da/dt using Gauss’ planetary equations (Farnocchia et al. 2013b)....
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...As the Yarkovsky induced orbital drift depends on the osculating orbital elements (Farnocchia et al. 2013b), there are also commensurable variations in the da/dt evolution (see Fig....
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...More recently Nugent et al. (2012) and Farnocchia et al. (2013b) have estimated the Yarkovsky effect for a few tens of near-Earth asteroids by using a formulation that depends on a single parameter to be determined from the orbital fit....
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...The orbital predictions and the impact hazard assessment are then performed by a Monte Carlo simulation that accounts for both the Yarkovsky effect distribution and the orbital uncertainty (Farnocchia et al. 2013a; Farnocchia and Chesley 2014)....
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...Importantly, it requires no information about the physical characteristics or spin state of the asteroid, and so it can be implemented readily in cases where only astrometric information is available (e.g., Vokrouhlický et al. 2008; Chesley et al. 2008; Nugent et al. 2012; Farnocchia et al. 2013b)....
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"Near Earth Asteroids with measurabl..." refers background or result in this paper
...Observations of Small Solar System Bodies with GAIA....
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...Though these detections have to be considered less reliable, some of them may be good candidates for becoming stronger detections in the future if high quality astrometry is obtained, e.g., by radar or GAIA (Mignard, 2003)....
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...Table 2 contains a comparison between our orbital drifts and the ones reported by Nugent et al. (2012b). 2009 BD, 1999 MN, and 2005 ES70 are present only in our list as they are not numbered, while 2001 MQ3, 1989 UQ, 1991 VE, and Illapa are eliminated by their filters....
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...Table 2 contains a comparison between our orbital drifts and the ones reported by Nugent et al. (2012b). 2009 BD, 1999 MN, and 2005 ES70 are present only in our list as they are not numbered, while 2001 MQ3, 1989 UQ, 1991 VE, and Illapa are eliminated by their filters. It is worth pointing out that also 1999 RQ36, Golevka, and YORP have been filtered out by Nugent et al. (2012b) criteria, even though they report the corresponding detections for a comparison with Chesley et al....
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