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Table 2:

Period changes due to YORP for selected asteroids. a is the orbital semimajor axis and D denotes the effective diameter.

Asteroid 		a D P $\sigma_{P}$ $\dot{P}$ $\langle \dot{P} \rangle$
  [AU] [km] [h] 10-6 [h] 10-6 [h/yr] 10-6 [h/yr]
(1620) Geographos 1.2 2.5 5.223336 2 -0.75 $\pm$0.3
(1862) Apollo 1.5 1.4 3.065447 3 -1.2 $\pm$0.2
(3103) Eger 1.4 2.5 5.710150 6 -0.7 $\pm$0.3
(54509) YORP 1.0 0.1 0.20290046 0.01 -0.3 $\pm$0.4
2007 DD 1.0 0.02 0.07429 70 - $\pm$1
1998 KY26 1.2 0.03 0.1783583 7 - $\pm$2
2006 XY 1.5 0.05 0.0829783 0.3 - $\pm$0.1
      0.0831226 0.4 -  
2000 HB24 0.8 0.05 0.2176 600 - $\pm$3
2000 YA 2.4 0.06 0.6658 100 - $\pm$2
2001 AV43 1.3 0.03 0.1701 500 - $\pm$2
2001 SQ3 1.1 0.14 0.06248 50 - $\pm$0.02

For the first four objects P is the sidereal period of rotation, while for the rest it is a synodic one. $\sigma_{P}$ is a standard deviation of P, $\dot{P}$ is the observed rate of change of P, while $\langle \dot{P} \rangle$ is a theoretically predicted, approximate rate of change of P.


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