Orbital parameters of (99942) Apophis, solution A improved coordinates (AU) and velocities (AU/day) 2455600.500000000000000 4.732916106086960D-001 6.896970329621680D-001 2.687090344441910D-001 -1.366808487165656D-002 1.218481485089794D-002 4.182080123361198D-003 mean errors of coordinates and velocities 0.1744625011D-06 0.1456622166D-06 0.5366439414D-07 0.2538718092D-08 0.3563550979D-08 0.1403304296D-08 covariance matrix for coordinates and velocities (DSIG= 9.692542295080200D-001) .32398789D-13 -.26923066D-13 -.96386917D-14 .47119950D-15 .65809804D-15 .25534335D-15 -.26923066D-13 .22584913D-13 .79878887D-14 -.39230662D-15 -.55235513D-15 -.21331152D-15 -.96386917D-14 .79878887D-14 .30654699D-14 -.14009470D-15 -.19604688D-15 -.78858435D-16 .47119950D-15 -.39230662D-15 -.14009470D-15 .68604649D-17 .95935504D-17 .37244746D-17 .65809804D-15 -.55235513D-15 -.19604688D-15 .95935504D-17 .13517318D-16 .52255962D-17 .25534335D-15 -.21331152D-15 -.78858435D-16 .37244746D-17 .52255962D-17 .20961787D-17 elements M,Peri,Node,Incl,e,n (degrees with the exception of e) 2455600.500000000000000 65.030524581169000 126.424999255817300 204.431297971423600 3.331901677567745 1.911152687318415D-001 1.112755711713546 mean errors of elements 1.305061494250017D-005 2.097279426367224D-005 2.099915584962974D-005 4.631713865484807D-007 1.643845069533824D-008 5.873444407951790D-009