IOTA/IOTA-ES occultation update for (599) Luisa / TYC 2434-00742-1 event on 2009 Nov 09, 13:41 UT Visible from Summary ------- On 2009 Nov 09 UT, the 65 km diameter asteroid (599) Luisa will occult a 11.9 mag star in the constellation Auriga for observers along a path across . In the case of an occultation, the combined light of the asteroid and the star will drop by 1.6 mag to 13.2 mag (the magnitude of the asteroid) for at most 6.9 seconds. This update is based on UNSO/Flagstaff astrometry for the asteroid kindly provided by Alice Monet, historical astrometry from the MPC files (via AstDys), and the following catalogs for the star position: UCAC. The event at a glimpse ---------------------- * Rank: 85 * date and approx. time of event: 2009 Nov 09, 13:32 - 2009 Nov 09, 13:51 UT * magnitude of target star: 11.9 * magnitude drop [mag]: 1.6 * estimated maximum duration [s]: 6.9 * Moon: 51 % sunlit, 42° distance * Sun: 130° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 77 * 1 sigma uncertainty interval [path widths]: +/- 0.59 * 1 sigma uncertainty interval [seconds]: +/- 3.7 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- .027 +/- .026) * 1 sigma uncertainty ellipse (major, minor, PA): ( .027", .026", 86° ) * approx speed of asteroid's shadow [km/s]: 9.3702 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 2434-00742-1 by 599 Luisa on 2009 Nov 9 Centre Star Star Sun Path Limits Error Limits E. Longitude Latitude U.T. Alt Az Alt Limit 1 Limit 2 Limit 3 Limit 4 o ' " o ' " h m s o o o o ' " o ' " o ' " o ' " Longitude Longitude Longitude Longitude -158 52 48 -53 0 0 13 32 3 0 4 -9 -158 17 57 -159 27 49 -157 37 2 -160 9 20 -158 47 1 -52 0 0 13 32 3 1 4 -9 -158 12 58 -159 21 14 -157 32 58 -160 1 47 -158 42 36 -51 0 0 13 32 3 2 4 -10 -158 9 17 -159 16 3 -157 30 9 -159 55 43 -158 39 27 -50 0 0 13 32 4 3 4 -11 -158 6 50 -159 12 12 -157 28 31 -159 51 2 -158 37 30 -49 0 0 13 32 5 4 4 -11 -158 5 32 -159 9 35 -157 27 59 -159 47 38 -158 36 40 -48 0 0 13 32 6 5 4 -12 -158 5 20 -159 8 9 -157 28 29 -159 45 27 -158 36 55 -47 0 0 13 32 7 6 4 -13 -158 6 9 -159 7 48 -157 29 59 -159 44 25 -158 38 10 -46 0 0 13 32 9 7 4 -13 -158 7 56 -159 8 30 -157 32 25 -159 44 28 -158 40 22 -45 0 0 13 32 11 8 4 -14 -158 10 39 -159 10 12 -157 35 44 -159 45 32 -158 43 29 -44 0 0 13 32 13 9 4 -15 -158 14 15 -159 12 50 -157 39 54 -159 47 35 -158 47 29 -43 0 0 13 32 15 10 4 -16 -158 18 42 -159 16 21 -157 44 53 -159 50 34 -158 52 18 -42 0 0 13 32 18 11 4 -16 -158 23 58 -159 20 45 -157 50 38 -159 54 27 -158 57 56 -41 0 0 13 32 20 12 4 -17 -158 30 0 -159 25 58 -157 57 9 -159 59 11 -159 4 20 -40 0 0 13 32 24 13 4 -18 -158 36 47 -159 31 59 -158 4 23 -160 4 45 -159 11 29 -39 0 0 13 32 27 14 4 -18 -158 44 17 -159 38 46 -158 12 19 -160 11 6 -159 19 21 -38 0 0 13 32 30 15 4 -19 -158 52 30 -159 46 18 -158 20 55 -160 18 13 -159 27 55 -37 0 0 13 32 34 16 4 -20 -159 1 23 -159 54 33 -158 30 12 -160 26 5 -159 37 10 -36 0 0 13 32 38 17 4 -21 -159 10 57 -160 3 30 -158 40 6 -160 34 40 -159 47 6 -35 0 0 13 32 42 18 5 -21 -159 21 9 -160 13 8 -158 50 39 -160 43 58 -159 57 40 -34 0 0 13 32 47 19 5 -22 -159 31 59 -160 23 26 -159 1 48 -160 53 57 -160 8 52 -33 0 0 13 32 51 20 5 -23 -159 43 27 -160 34 23 -159 13 33 -161 4 36 -160 20 43 -32 0 0 13 32 56 21 5 -24 -159 55 31 -160 45 59 -159 25 54 -161 15 55 -160 33 10 -31 0 0 13 33 2 22 5 -24 -160 8 12 -160 58 13 -159 38 50 -161 27 53 -160 46 13 -30 0 0 13 33 7 23 6 -25 -160 21 28 -161 11 4 -159 52 21 -161 40 30 -160 59 53 -29 0 0 13 33 13 24 6 -26 -160 35 19 -161 24 32 -160 6 26 -161 53 44 -161 14 9 -28 0 0 13 33 18 25 6 -27 -160 49 46 -161 38 37 -160 21 5 -162 7 36 -161 29 0 -27 0 0 13 33 25 26 6 -27 -161 4 47 -161 53 18 -160 36 18 -162 22 5 -161 44 27 -26 0 0 13 33 31 27 6 -28 -161 20 23 -162 8 35 -160 52 5 -162 37 12 -162 0 28 -25 0 0 13 33 37 28 7 -29 -161 36 33 -162 24 29 -161 8 26 -162 52 55 -162 17 5 -24 0 0 13 33 44 29 7 -30 -161 53 18 -162 40 58 -161 25 20 -163 9 15 -162 34 18 -23 0 0 13 33 51 30 7 -31 -162 10 38 -162 58 3 -161 42 48 -163 26 11 -162 52 6 -22 0 0 13 33 58 31 8 -31 -162 28 32 -163 15 44 -162 0 50 -163 43 45 -163 10 29 -21 0 0 13 34 6 32 8 -32 -162 47 1 -163 34 2 -162 19 26 -164 1 55 -163 29 28 -20 0 0 13 34 14 33 8 -33 -163 6 5 -163 52 55 -162 38 36 -164 20 43 -163 49 3 -19 0 0 13 34 21 34 9 -34 -163 25 45 -164 12 26 -162 58 21 -164 40 8 -164 9 14 -18 0 0 13 34 30 35 9 -35 -163 46 0 -164 32 34 -163 18 41 -165 0 12 -164 30 2 -17 0 0 13 34 38 35 10 -36 -164 6 51 -164 53 19 -163 39 36 -165 20 53 -164 51 28 -16 0 0 13 34 46 36 10 -36 -164 28 19 -165 14 42 -164 1 7 -165 42 13 -165 13 31 -15 0 0 13 34 55 37 10 -37 -164 50 25 -165 36 43 -164 23 15 -166 4 12 -165 36 13 -14 0 0 13 35 4 38 11 -38 -165 13 8 -165 59 24 -164 46 0 -166 26 52 -165 59 35 -13 0 0 13 35 13 39 11 -39 -165 36 30 -166 22 44 -165 9 23 -166 50 12 -166 23 36 -12 0 0 13 35 23 40 12 -40 -166 0 31 -166 46 46 -165 33 24 -167 14 13 -166 48 18 -11 0 0 13 35 32 41 13 -41 -166 25 13 -167 11 28 -165 58 5 -167 38 56 -167 13 41 -10 0 0 13 35 42 42 13 -42 -166 50 35 -167 36 53 -166 23 26 -168 4 23 -167 39 48 - 9 0 0 13 35 52 43 14 -42 -167 16 40 -168 3 2 -166 49 29 -168 30 34 -168 6 38 - 8 0 0 13 36 3 44 14 -43 -167 43 27 -168 29 55 -167 16 13 -168 57 31 -168 34 14 - 7 0 0 13 36 13 44 15 -44 -168 11 0 -168 57 34 -167 43 42 -169 25 14 -169 2 36 - 6 0 0 13 36 24 45 16 -45 -168 39 18 -169 26 0 -168 11 55 -169 53 45 -169 31 46 - 5 0 0 13 36 35 46 17 -46 -169 8 23 -169 55 15 -168 40 55 -170 23 6 -170 1 45 - 4 0 0 13 36 46 47 17 -47 -169 38 16 -170 25 20 -169 10 42 -170 53 18 -170 32 35 - 3 0 0 13 36 57 48 18 -48 -170 9 0 -170 56 17 -169 41 19 -171 24 22 -171 4 18 - 2 0 0 13 37 9 49 19 -49 -170 40 36 -171 28 7 -170 12 47 -171 56 21 -171 36 56 - 1 0 0 13 37 20 49 20 -50 -171 13 6 -172 0 53 -170 45 7 -172 29 17 -172 10 31 0 0 0 13 37 32 50 21 -50 -171 46 32 -172 34 37 -171 18 23 -173 3 12 -172 45 4 1 0 0 13 37 44 51 22 -51 -172 20 56 -173 9 20 -171 52 36 -173 38 8 Latitude Latitude Latitude Latitude -174 0 0 3 4 18 13 38 10 52 24 -53 3 43 37 2 24 27 4 29 19 1 36 40 -175 0 0 4 38 33 13 38 30 53 26 -55 5 16 34 4 0 2 6 0 50 3 13 54 -176 0 0 6 8 26 13 38 50 54 28 -56 6 45 17 5 31 8 7 28 14 4 46 30 -177 0 0 7 34 15 13 39 10 55 30 -58 8 10 2 6 58 3 8 51 45 6 14 47 -178 0 0 8 56 13 13 39 28 56 32 -59 9 31 1 8 21 3 10 11 38 7 39 2 -179 0 0 10 14 36 13 39 47 56 34 -60 10 48 29 9 40 21 11 28 3 8 59 29 -180 0 0 11 29 34 13 40 5 57 36 -61 12 2 37 10 56 12 12 41 14 10 16 23 179 0 0 12 41 19 13 40 22 57 38 -62 13 13 36 12 8 45 13 51 18 11 29 55 178 0 0 13 50 1 13 40 40 57 40 -64 14 21 34 13 18 12 14 58 27 12 40 17 177 0 0 14 55 50 13 40 56 58 42 -65 15 26 42 14 24 42 16 2 48 13 47 38 176 0 0 15 58 53 13 41 13 58 44 -66 16 29 7 15 28 24 17 4 29 14 52 7 175 0 0 16 59 18 13 41 29 58 46 -67 17 28 56 16 29 26 18 3 38 15 53 53 174 0 0 17 57 13 13 41 44 58 48 -68 18 26 18 17 27 55 19 0 21 16 53 4 173 0 0 18 52 44 13 41 59 58 50 -68 19 21 18 18 23 59 19 54 44 17 49 47 172 0 0 19 45 59 13 42 14 58 51 -69 20 14 2 19 17 43 20 46 54 18 44 8 171 0 0 20 37 1 13 42 29 58 53 -70 21 4 37 20 9 14 21 36 57 19 36 13 170 0 0 21 25 57 13 42 43 57 54 -71 21 53 6 20 58 38 22 24 56 20 26 9 169 0 0 22 12 53 13 42 57 57 56 -72 22 39 37 21 45 58 23 10 57 21 14 1 168 0 0 22 57 51 13 43 10 57 57 -72 23 24 12 22 31 21 23 55 5 21 59 52 167 0 0 23 40 58 13 43 23 56 58 -73 24 6 57 23 14 51 24 37 24 22 43 50 166 0 0 24 22 17 13 43 36 56 59 -73 24 47 55 23 56 32 25 17 57 23 25 56 165 0 0 25 1 53 13 43 49 56 61 -74 25 27 10 24 36 27 25 56 49 24 6 16 164 0 0 25 39 48 13 44 1 55 62 -74 26 4 46 25 14 42 26 34 4 24 44 54 163 0 0 26 16 6 13 44 13 55 62 -75 26 40 46 25 51 19 27 9 43 25 21 53 162 0 0 26 50 51 13 44 25 54 63 -75 27 15 14 26 26 21 27 43 51 25 57 16 161 0 0 27 24 6 13 44 36 54 64 -75 27 48 13 26 59 52 28 16 31 26 31 7 160 0 0 27 55 53 13 44 47 53 65 -76 28 19 44 27 31 55 28 47 45 27 3 28 159 0 0 28 26 15 13 44 58 53 65 -76 28 49 52 28 2 32 29 17 35 27 34 23 158 0 0 28 55 15 13 45 9 52 66 -76 29 18 38 28 31 46 29 46 5 28 3 54 157 0 0 29 22 55 13 45 19 51 66 -76 29 46 5 28 59 39 30 13 17 28 32 3 156 0 0 29 49 18 13 45 30 51 67 -76 30 12 15 29 26 14 30 39 13 28 58 53 155 0 0 30 14 25 13 45 40 50 67 -76 30 37 11 29 51 33 31 3 55 29 24 26 154 0 0 30 38 18 13 45 50 50 68 -76 31 0 53 30 15 38 31 27 24 29 48 44 153 0 0 31 1 0 13 45 59 49 68 -76 31 23 24 30 38 30 31 49 43 30 11 49 152 0 0 31 22 32 13 46 9 48 68 -75 31 44 46 31 0 12 32 10 54 30 33 43 151 0 0 31 42 56 13 46 18 48 68 -75 32 5 1 31 20 45 32 30 57 30 54 27 150 0 0 32 2 13 13 46 27 47 68 -75 32 24 9 31 40 11 32 49 56 31 14 4 149 0 0 32 20 24 13 46 36 46 69 -75 32 42 13 31 58 31 33 7 50 31 32 34 148 0 0 32 37 32 13 46 45 46 69 -74 32 59 13 32 15 46 33 24 41 31 49 58 147 0 0 32 53 37 13 46 53 45 69 -74 33 15 11 32 31 59 33 40 30 32 6 20 146 0 0 33 8 41 13 47 1 44 69 -74 33 30 8 32 47 9 33 55 20 32 21 38 145 0 0 33 22 44 13 47 10 44 69 -73 33 44 5 33 1 19 34 9 9 32 35 55 144 0 0 33 35 48 13 47 18 43 69 -73 33 57 3 33 14 28 34 22 1 32 49 12 143 0 0 33 47 54 13 47 26 42 68 -72 34 9 3 33 26 39 34 33 55 33 1 29 142 0 0 33 59 1 13 47 33 42 68 -72 34 20 6 33 37 52 34 44 52 33 12 47 141 0 0 34 9 12 13 47 41 41 68 -71 34 30 12 33 48 7 34 54 53 33 23 7 140 0 0 34 18 27 13 47 48 40 68 -71 34 39 23 33 57 25 35 4 0 33 32 31 139 0 0 34 26 46 13 47 56 40 68 -70 34 47 39 34 5 48 35 12 11 33 40 57 138 0 0 34 34 9 13 48 3 39 68 -70 34 54 59 34 13 15 35 19 28 33 48 28 137 0 0 34 40 39 13 48 10 38 67 -69 35 1 26 34 19 47 35 25 52 33 55 3 136 0 0 34 46 14 13 48 17 38 67 -69 35 6 59 34 25 24 35 31 22 34 0 43 135 0 0 34 50 55 13 48 24 37 67 -68 35 11 38 34 30 7 35 35 59 34 5 28 134 0 0 34 54 43 13 48 30 36 67 -68 35 15 25 34 33 56 35 39 44 34 9 19 133 0 0 34 57 37 13 48 37 35 66 -67 35 18 18 34 36 52 35 42 36 34 12 16 132 0 0 34 59 38 13 48 44 35 66 -67 35 20 19 34 38 53 35 44 36 34 14 18 131 0 0 35 0 46 13 48 50 34 66 -66 35 21 26 34 40 2 35 45 44 34 15 26 130 0 0 35 1 1 13 48 56 33 65 -65 35 21 41 34 40 16 35 45 59 34 15 41 129 0 0 35 0 23 13 49 2 33 65 -65 35 21 4 34 39 37 35 45 22 34 15 1 128 0 0 34 58 51 13 49 8 32 65 -64 35 19 33 34 38 4 35 43 53 34 13 27 127 0 0 34 56 26 13 49 14 31 64 -64 35 17 9 34 35 37 35 41 30 34 10 58 126 0 0 34 53 7 13 49 20 30 64 -63 35 13 52 34 32 16 35 38 16 34 7 35 125 0 0 34 48 53 13 49 25 30 64 -62 35 9 41 34 28 1 35 34 7 34 3 16 124 0 0 34 43 46 13 49 31 29 63 -62 35 4 36 34 22 50 35 29 6 33 58 3 123 0 0 34 37 43 13 49 36 28 63 -61 34 58 37 34 16 44 35 23 10 33 51 53 122 0 0 34 30 45 13 49 42 27 62 -61 34 51 42 34 9 42 35 16 20 33 44 46 121 0 0 34 22 50 13 49 47 27 62 -60 34 43 52 34 1 44 35 8 34 33 36 43 120 0 0 34 13 59 13 49 52 26 62 -59 34 35 5 33 52 48 34 59 53 33 27 41 119 0 0 34 4 10 13 49 57 25 61 -59 34 25 21 33 42 54 34 50 15 33 17 41 118 0 0 33 53 22 13 50 2 24 61 -58 34 14 39 33 32 0 34 39 39 33 6 41 117 0 0 33 41 35 13 50 7 23 60 -57 34 2 58 33 20 7 34 28 5 32 54 40 116 0 0 33 28 48 13 50 11 23 60 -57 33 50 17 33 7 13 34 15 32 32 41 38 115 0 0 33 14 58 13 50 16 22 59 -56 33 36 35 32 53 16 34 1 58 32 27 32 114 0 0 33 0 6 13 50 20 21 59 -55 33 21 50 32 38 16 33 47 22 32 12 23 113 0 0 32 44 9 13 50 24 20 58 -54 33 6 2 32 22 11 33 31 43 31 56 8 112 0 0 32 27 7 13 50 29 19 58 -54 32 49 8 32 4 59 33 15 0 31 38 45 111 0 0 32 8 57 13 50 33 18 58 -53 32 31 8 31 46 40 32 57 11 31 20 14 110 0 0 31 49 38 13 50 36 17 57 -52 32 11 59 31 27 11 32 38 13 31 0 33 109 0 0 31 29 8 13 50 40 17 57 -52 31 51 40 31 6 30 32 18 7 30 39 39 108 0 0 31 7 25 13 50 44 16 56 -51 31 30 8 30 44 35 31 56 49 30 17 30 107 0 0 30 44 27 13 50 47 15 56 -50 31 7 23 30 21 25 31 34 17 29 54 5 106 0 0 30 20 12 13 50 50 14 55 -49 30 43 20 29 56 56 31 10 30 29 29 21 105 0 0 29 54 37 13 50 54 13 55 -49 30 17 59 29 31 7 30 45 25 29 3 15 104 0 0 29 27 39 13 50 56 12 54 -48 29 51 16 29 3 55 30 18 59 28 35 45 103 0 0 28 59 17 13 50 59 11 54 -47 29 23 9 28 35 16 29 51 10 28 6 47 102 0 0 28 29 25 13 51 2 10 53 -46 28 53 35 28 5 8 29 21 55 27 36 19 101 0 0 27 58 3 13 51 4 9 53 -45 28 22 30 27 33 28 28 51 10 27 4 16 100 0 0 27 25 5 13 51 6 8 52 -44 27 49 50 27 0 11 28 18 53 26 30 37 99 0 0 26 50 28 13 51 8 7 52 -44 27 15 33 26 25 14 27 44 59 25 55 15 98 0 0 26 14 8 13 51 10 6 52 -43 26 39 35 25 48 33 27 9 24 25 18 8 97 0 0 25 36 1 13 51 11 5 51 -42 26 1 50 25 10 2 26 32 5 24 39 11 96 0 0 24 56 1 13 51 12 4 51 -41 25 22 14 24 29 39 25 52 57 23 58 17 95 0 0 24 14 5 13 51 13 2 50 -40 24 40 43 23 47 16 25 11 55 23 15 23 94 0 0 23 30 5 13 51 14 1 50 -39 23 57 10 23 2 49 24 28 54 22 30 23 93 0 0 22 43 56 13 51 14 0 50 -38 23 11 31 .. .. .. .. .. .. .. .. .. Uncertainty in time = +/- 4 secs [Prediction of 2008 Mar 20.0] Data for the target star ------------------------ * name: TYC 2434-00742-1 * constellation : Auriga * J2000 position with proper motion to date of event [h,m,s ; °,',"] RA: 06 30 12.4649 DE: +36 50 01.703 * position source: mpos:UCAC2 pm:UCAC2 * standard error: RA,DE ["]: ( .017, .020 ) * V mag [mag]: 11.9 * B mag [mag]: 13.1 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (599) Luisa approx. diameter [km]: 65 approx. diameter ["]: .045 distance from Earth [AU]: 1.98200 * orbital information: orbit source: Preston date of fit: 2008 Mar 20 source of used astrometry: FASTT MPC (via Astdys) number of used observations: 874 number of rejected observations: 55 time covered by the observations: 1906 Apr 29 - 2008 Feb 08 1 sigma uncertainty ellipse (major, minor, PA): 0.021, 0.016, 84° remarks: * orbital elements for (599) Luisa : Mean anomaly = 69.72633685 deg Arg. of pericenter = 292.83629338 deg Long. of node = 44.65653466 deg Inclination = 16.66250603 deg Eccentricity = 0.29340805 Semimajor axis = 2.77166644 AU Perihelion dist = 1.95843720 AU Mag: H = 8.80, G = 0.15 Epoch of elements : MJD 55144.57000000 TDT (2009 Nov 09.570) ------ occelmnt file for Occult BEGIN ----------------------------------- 2009 Nov 9 599 Luisa 13h 41.6m UT 11.9 6 30 12.465 36 50 1.70TYC 2434-00742-1 13.1 13.2 65 6.9 1.982 -0.958 20.47 -156.7200 36.828 -29.44 -17.00 13.6938 -0.46296 -0.25985 -2.58732 4.61273 -0.00448 -0.00065 2000 68.750204200911 5.00000292.836293 44.656535 16.6625060.29340805 2.7716664 1.9584372 8.7 5.00.15 RATE 2.1359580 0.000000 0.000000 0.000000 0.0000000 0.0000000 0.0000000 Meas 0.027 0.026 86 1.59 0.027 0 54545.5020091109_0742-1 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2008 Mar 20, 16:21 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 425-688-9965 mailto: stevepr@acm.org