IOTA/IOTA-ES occultation update for (599) Luisa / TYC 7908-01494-1 event on 2008 Jun 02, 17:01 UT Visible from Indonesia Summary ------- On 2008 Jun 02 UT, the 65 km diameter asteroid (599) Luisa will occult a 12.1 mag star in the constellation Corona Australis for observers along a path across Indonesia. In the case of an occultation, the combined light of the asteroid and the star will drop by 0.7 mag to 11.9 mag (the magnitude of the asteroid) for at most 6.4 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: 84 * date and approx. time of event: 2008 Jun 02, 16:53 - 2008 Jun 02, 17:11 UT * magnitude of target star: 12.1 * magnitude drop [mag]: 0.7 * estimated maximum duration [s]: 6.4 * Moon: 2 % sunlit, 142° distance * Sun: 152° distance * rough path description: Indonesia The occultation path -------------------- * approximate projected width [km]: 75 * 1 sigma uncertainty interval [path widths]: +/- 0.61 * 1 sigma uncertainty interval [seconds]: +/- 3.3 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- .046 +/- .030) * 1 sigma uncertainty ellipse (major, minor, PA): ( .046", .030", 96° ) * approx speed of asteroid's shadow [km/s]: 10.0855 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 7908-01494-1 by 599 Luisa on 2008 Jun 2 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 143 53 42 47 0 0 16 53 0 0 190 -13 143 23 4 144 24 15 142 45 35 145 1 26 143 37 16 46 0 0 16 53 0 2 190 -14 143 7 9 144 7 20 142 30 17 144 43 53 143 20 29 45 0 0 16 53 1 3 190 -15 142 50 50 143 50 4 142 14 34 144 26 3 143 3 20 44 0 0 16 53 1 4 190 -16 142 34 8 143 32 27 141 58 25 144 7 54 142 45 49 43 0 0 16 53 2 5 190 -17 142 17 3 143 14 31 141 41 51 143 49 26 142 27 57 42 0 0 16 53 3 6 189 -18 141 59 35 142 56 15 141 24 52 143 30 41 142 9 44 41 0 0 16 53 5 7 189 -19 141 41 44 142 37 39 141 7 29 143 11 37 141 51 9 40 0 0 16 53 6 8 189 -20 141 23 31 142 18 42 140 49 42 142 52 15 141 32 12 39 0 0 16 53 8 9 189 -20 141 4 54 141 59 26 140 31 30 142 32 33 141 12 54 38 0 0 16 53 10 10 188 -21 140 45 55 141 39 49 140 12 55 142 12 33 140 53 14 37 0 0 16 53 12 11 188 -22 140 26 33 141 19 51 139 53 55 141 52 13 140 33 12 36 0 0 16 53 15 12 188 -23 140 6 49 140 59 32 139 34 31 141 31 34 140 12 49 35 0 0 16 53 18 13 188 -24 139 46 41 140 38 52 139 14 42 141 10 35 139 52 2 34 0 0 16 53 21 14 188 -25 139 26 9 140 17 51 138 54 29 140 49 15 139 30 53 33 0 0 16 53 24 15 187 -26 139 5 15 139 56 28 138 33 51 140 27 35 139 9 22 32 0 0 16 53 27 16 187 -27 138 43 56 139 34 43 138 12 49 140 5 34 138 47 26 31 0 0 16 53 31 17 187 -28 138 22 13 139 12 36 137 51 21 139 43 12 138 25 8 30 0 0 16 53 35 18 187 -29 138 0 6 138 50 5 137 29 27 139 20 27 138 2 25 29 0 0 16 53 39 19 186 -30 137 37 33 138 27 12 137 7 8 138 57 21 137 39 17 28 0 0 16 53 44 20 186 -31 137 14 35 138 3 54 136 44 22 138 33 51 137 15 44 27 0 0 16 53 48 21 186 -32 136 51 12 137 40 13 136 21 9 138 9 58 136 51 46 26 0 0 16 53 53 22 186 -33 136 27 22 137 16 6 135 57 30 137 45 41 136 27 22 25 0 0 16 53 58 23 185 -34 136 3 5 136 51 34 135 33 22 137 21 0 136 2 30 24 0 0 16 54 4 24 185 -35 135 38 20 136 26 36 135 8 46 136 55 53 135 37 11 23 0 0 16 54 9 25 185 -36 135 13 8 136 1 11 134 43 41 136 30 21 135 11 25 22 0 0 16 54 15 26 185 -37 134 47 27 135 35 18 134 18 6 136 4 22 134 45 9 21 0 0 16 54 21 27 184 -38 134 21 16 135 8 58 133 52 1 135 37 55 134 18 23 20 0 0 16 54 27 28 184 -40 133 54 34 134 42 8 133 25 24 135 11 0 133 51 8 19 0 0 16 54 34 29 184 -41 133 27 22 134 14 49 132 58 16 134 43 36 133 23 20 18 0 0 16 54 41 30 183 -42 132 59 37 133 46 59 132 30 35 134 15 43 132 55 1 17 0 0 16 54 48 31 183 -43 132 31 20 133 18 37 132 2 20 133 47 18 132 26 8 16 0 0 16 54 55 32 183 -44 132 2 28 132 49 42 131 33 30 133 18 22 131 56 41 15 0 0 16 55 2 33 182 -45 131 33 2 132 20 14 131 4 4 132 48 53 131 26 38 14 0 0 16 55 10 34 182 -46 131 2 59 131 50 11 130 34 2 132 18 49 130 55 58 13 0 0 16 55 18 35 181 -47 130 32 19 131 19 33 130 3 21 131 48 11 130 24 41 12 0 0 16 55 26 36 181 -48 130 1 1 130 48 16 129 32 0 131 16 56 129 52 45 11 0 0 16 55 34 37 180 -49 129 29 2 130 16 22 128 59 59 130 45 4 129 20 7 10 0 0 16 55 43 38 180 -50 128 56 22 129 43 47 128 27 16 130 12 32 128 46 48 9 0 0 16 55 52 39 180 -51 128 22 59 129 10 31 127 53 48 129 39 20 128 12 44 8 0 0 16 56 1 40 179 -52 127 48 51 128 36 31 127 19 35 129 5 25 127 37 55 7 0 0 16 56 11 41 178 -54 127 13 57 128 1 47 126 44 34 128 30 47 127 2 18 6 0 0 16 56 20 42 178 -55 126 38 15 127 26 16 126 8 45 127 55 22 126 25 52 5 0 0 16 56 30 43 177 -56 126 1 42 126 49 57 125 32 3 127 19 11 125 48 35 4 0 0 16 56 40 44 177 -57 125 24 17 126 12 47 124 54 29 126 42 9 125 10 23 3 0 0 16 56 50 45 176 -58 124 45 57 125 34 43 124 15 58 126 4 16 124 31 16 2 0 0 16 57 1 46 175 -59 124 6 40 124 55 45 123 36 29 125 25 28 123 51 9 1 0 0 16 57 12 47 174 -60 123 26 23 124 15 49 122 55 59 124 45 44 123 10 1 0 0 0 16 57 23 48 174 -62 122 45 3 123 34 51 122 14 25 124 5 0 122 27 48 - 1 0 0 16 57 34 49 173 -63 122 2 37 122 52 51 121 31 43 123 23 14 Latitude Latitude Latitude Latitude 121 0 0 - 2 59 51 16 57 58 51 171 -65 - 2 25 41 - 3 33 41 - 1 43 32 - 4 14 32 120 0 0 - 4 18 6 16 58 13 52 170 -67 - 3 44 43 - 4 51 10 - 3 3 34 - 5 31 7 119 0 0 - 5 33 30 16 58 29 53 168 -68 - 5 0 52 - 6 5 51 - 4 20 38 - 6 44 57 118 0 0 - 6 46 11 16 58 45 54 167 -70 - 6 14 14 - 7 17 52 - 5 34 53 - 7 56 10 117 0 0 - 7 56 14 16 59 0 55 165 -71 - 7 24 56 - 8 27 16 - 6 46 24 - 9 4 49 116 0 0 - 9 3 44 16 59 15 55 164 -73 - 8 33 3 - 9 34 11 - 7 55 18 -10 11 1 115 0 0 -10 8 49 16 59 30 56 162 -74 - 9 38 42 -10 38 41 - 9 1 40 -11 14 51 114 0 0 -11 11 32 16 59 45 57 160 -76 -10 41 58 -11 40 52 -10 5 37 -12 16 23 113 0 0 -12 11 58 16 59 59 57 159 -77 -11 42 56 -12 40 48 -11 7 14 -13 15 43 112 0 0 -13 10 14 17 0 14 58 157 -78 -12 41 41 -13 38 35 -12 6 36 -14 12 55 111 0 0 -14 6 22 17 0 28 58 155 -80 -13 38 17 -14 34 15 -13 3 47 -15 8 3 110 0 0 -15 0 27 17 0 42 59 153 -81 -14 32 49 -15 27 55 -13 58 52 -16 1 12 109 0 0 -15 52 34 17 0 55 59 152 -82 -15 25 22 -16 19 37 -14 51 56 -16 52 24 108 0 0 -16 42 46 17 1 9 59 150 -83 -16 15 58 -17 9 26 -15 43 2 -17 41 44 107 0 0 -17 31 8 17 1 22 60 148 -84 -17 4 42 -17 57 24 -16 32 15 -18 29 16 106 0 0 -18 17 41 17 1 35 60 146 -85 -17 51 37 -18 43 37 -17 19 37 -19 15 3 105 0 0 -19 2 31 17 1 48 60 145 -86 -18 36 47 -19 28 6 -18 5 13 -19 59 8 104 0 0 -19 45 40 17 2 1 60 143 -87 -19 20 16 -20 10 55 -18 49 6 -20 41 34 103 0 0 -20 27 10 17 2 13 60 141 -87 -20 2 6 -20 52 8 -19 31 19 -21 22 24 102 0 0 -21 7 6 17 2 25 60 140 -87 -20 42 19 -21 31 46 -20 11 55 -22 1 42 101 0 0 -21 45 30 17 2 37 60 138 -87 -21 21 0 -22 9 53 -20 50 57 -22 39 28 100 0 0 -22 22 25 17 2 49 60 137 -86 -21 58 11 -22 46 32 -21 28 28 -23 15 48 99 0 0 -22 57 52 17 3 1 60 135 -85 -22 33 54 -23 21 44 -22 4 30 -23 50 42 98 0 0 -23 31 56 17 3 12 59 134 -84 -23 8 12 -23 55 32 -22 39 7 -24 24 13 97 0 0 -24 4 36 17 3 23 59 133 -83 -23 41 7 -24 27 59 -23 12 19 -24 56 23 96 0 0 -24 35 57 17 3 34 59 132 -82 -24 12 41 -24 59 7 -23 44 10 -25 27 14 95 0 0 -25 6 0 17 3 45 58 130 -81 -24 42 57 -25 28 57 -24 14 41 -25 56 49 94 0 0 -25 34 47 17 3 56 58 129 -81 -25 11 56 -25 57 32 -24 43 55 -26 25 10 93 0 0 -26 2 20 17 4 7 58 128 -80 -25 39 40 -26 24 53 -25 11 54 -26 52 17 92 0 0 -26 28 40 17 4 17 57 127 -79 -26 6 12 -26 51 3 -25 38 39 -27 18 14 91 0 0 -26 53 50 17 4 27 57 126 -78 -26 31 32 -27 16 2 -26 4 12 -27 43 1 90 0 0 -27 17 51 17 4 37 56 126 -77 -26 55 43 -27 39 53 -26 28 35 -28 6 40 89 0 0 -27 40 44 17 4 47 56 125 -76 -27 18 45 -28 2 37 -26 51 50 -28 29 12 88 0 0 -28 2 31 17 4 57 55 124 -75 -27 40 41 -28 24 15 -27 13 57 -28 50 40 87 0 0 -28 23 13 17 5 6 55 124 -74 -28 1 32 -28 44 49 -27 34 58 -29 11 4 86 0 0 -28 42 52 17 5 16 54 123 -73 -28 21 19 -29 4 20 -27 54 55 -29 30 26 85 0 0 -29 1 29 17 5 25 54 122 -72 -28 40 3 -29 22 50 -28 13 48 -29 48 46 84 0 0 -29 19 4 17 5 34 53 122 -71 -28 57 46 -29 40 18 -28 31 40 -30 6 6 83 0 0 -29 35 40 17 5 43 53 122 -70 -29 14 28 -29 56 47 -28 48 30 -30 22 27 82 0 0 -29 51 16 17 5 52 52 121 -70 -29 30 11 -30 12 17 -29 4 20 -30 37 50 81 0 0 -30 5 55 17 6 1 52 121 -69 -29 44 55 -30 26 50 -29 19 12 -30 52 15 80 0 0 -30 19 36 17 6 9 51 121 -68 -29 58 41 -30 40 26 -29 33 5 -31 5 44 79 0 0 -30 32 20 17 6 18 50 120 -67 -30 11 31 -30 53 5 -29 46 1 -31 18 18 78 0 0 -30 44 9 17 6 26 50 120 -66 -30 23 24 -31 4 49 -29 58 0 -31 29 57 77 0 0 -30 55 3 17 6 34 49 120 -65 -30 34 23 -31 15 39 -30 9 3 -31 40 41 76 0 0 -31 5 2 17 6 42 48 120 -64 -30 44 26 -31 25 35 -30 19 11 -31 50 32 75 0 0 -31 14 8 17 6 50 48 120 -64 -30 53 35 -31 34 37 -30 28 25 -31 59 30 74 0 0 -31 22 20 17 6 58 47 120 -63 -31 1 50 -31 42 46 -30 36 44 -32 7 35 73 0 0 -31 29 39 17 7 6 46 120 -62 -31 9 12 -31 50 2 -30 44 9 -32 14 49 72 0 0 -31 36 6 17 7 14 46 120 -61 -31 15 41 -31 56 27 -30 50 41 -32 21 10 71 0 0 -31 41 41 17 7 21 45 120 -60 -31 21 18 -32 1 59 -30 56 20 -32 26 40 70 0 0 -31 46 23 17 7 29 44 120 -59 -31 26 2 -32 6 40 -31 1 7 -32 31 19 69 0 0 -31 50 15 17 7 36 44 120 -59 -31 29 55 -32 10 30 -31 5 1 -32 35 8 68 0 0 -31 53 14 17 7 43 43 120 -58 -31 32 55 -32 13 29 -31 8 3 -32 38 5 67 0 0 -31 55 22 17 7 50 42 120 -57 -31 35 4 -32 15 36 -31 10 12 -32 40 12 66 0 0 -31 56 39 17 7 57 42 120 -56 -31 36 22 -32 16 53 -31 11 30 -32 41 28 65 0 0 -31 57 5 17 8 4 41 120 -55 -31 36 47 -32 17 19 -31 11 56 -32 41 54 64 0 0 -31 56 40 17 8 11 40 120 -55 -31 36 21 -32 16 54 -31 11 29 -32 41 30 63 0 0 -31 55 23 17 8 18 40 120 -54 -31 35 4 -32 15 38 -31 10 10 -32 40 14 62 0 0 -31 53 14 17 8 24 39 121 -53 -31 32 54 -32 13 30 -31 7 59 -32 38 8 61 0 0 -31 50 14 17 8 31 38 121 -52 -31 29 52 -32 10 32 -31 4 56 -32 35 12 60 0 0 -31 46 22 17 8 38 37 121 -51 -31 25 58 -32 6 41 -31 0 59 -32 31 23 59 0 0 -31 41 37 17 8 44 37 121 -50 -31 21 11 -32 1 59 -30 56 10 -32 26 44 58 0 0 -31 36 0 17 8 50 36 122 -50 -31 15 32 -31 56 25 -30 50 27 -32 21 12 57 0 0 -31 29 30 17 8 56 35 122 -49 -31 8 59 -31 49 57 -30 43 50 -32 14 49 56 0 0 -31 22 6 17 9 2 34 122 -48 -31 1 31 -31 42 37 -30 36 19 -32 7 32 55 0 0 -31 13 48 17 9 8 34 122 -47 -30 53 10 -31 34 23 -30 27 52 -31 59 23 54 0 0 -31 4 36 17 9 14 33 123 -46 -30 43 53 -31 25 14 -30 18 30 -31 50 19 53 0 0 -30 54 28 17 9 20 32 123 -45 -30 33 40 -31 15 11 -30 8 12 -31 40 21 52 0 0 -30 43 23 17 9 26 31 123 -45 -30 22 31 -31 4 11 -29 56 56 -31 29 28 51 0 0 -30 31 22 17 9 32 30 124 -44 -30 10 24 -30 52 15 -29 44 43 -31 17 38 50 0 0 -30 18 23 17 9 37 29 124 -43 -29 57 19 -30 39 22 -29 31 31 -31 4 52 49 0 0 -30 4 25 17 9 43 29 124 -42 -29 43 15 -30 25 30 -29 17 19 -30 51 8 48 0 0 -29 49 27 17 9 48 28 125 -41 -29 28 10 -30 10 39 -29 2 6 -30 36 25 47 0 0 -29 33 28 17 9 53 27 125 -40 -29 12 4 -29 54 48 -28 45 51 -30 20 42 46 0 0 -29 16 28 17 9 58 26 125 -39 -28 54 56 -29 37 54 -28 28 33 -30 3 58 45 0 0 -28 58 23 17 10 3 25 126 -39 -28 36 43 -29 19 58 -28 10 10 -29 46 11 44 0 0 -28 39 14 17 10 8 24 126 -38 -28 17 25 -29 0 58 -27 50 41 -29 27 21 43 0 0 -28 18 59 17 10 13 23 126 -37 -27 57 0 -28 40 51 -27 30 5 -29 7 26 42 0 0 -27 57 35 17 10 18 23 127 -36 -27 35 27 -28 19 38 -27 8 19 -28 46 24 41 0 0 -27 35 2 17 10 22 22 127 -35 -27 12 44 -27 57 15 -26 45 23 -28 24 14 40 0 0 -27 11 18 17 10 27 21 127 -34 -26 48 49 -27 33 42 -26 21 14 -28 0 54 39 0 0 -26 46 21 17 10 31 20 128 -33 -26 23 40 -27 8 56 -25 55 51 -27 36 22 38 0 0 -26 20 8 17 10 35 19 128 -32 -25 57 15 -26 42 56 -25 29 10 -27 10 36 37 0 0 -25 52 39 17 10 39 18 129 -31 -25 29 32 -26 15 39 -25 1 11 -26 43 35 36 0 0 -25 23 49 17 10 43 17 129 -30 -25 0 29 -25 47 3 -24 31 51 -26 15 15 35 0 0 -24 53 38 17 10 47 16 129 -29 -24 30 3 -25 17 6 -24 1 7 -25 45 36 34 0 0 -24 22 2 17 10 50 15 130 -28 -23 58 11 -24 45 45 -23 28 56 -25 14 33 33 0 0 -23 48 59 17 10 53 14 130 -27 -23 24 52 -24 12 58 -22 55 17 -24 42 5 32 0 0 -23 14 25 17 10 57 13 130 -26 -22 50 1 -23 38 42 -22 20 5 -24 8 8 31 0 0 -22 38 18 17 11 0 12 131 -25 -22 13 37 -23 2 53 -21 43 18 -23 32 41 30 0 0 -22 0 35 17 11 2 11 131 -24 -21 35 34 -22 25 28 -21 4 52 -22 55 39 29 0 0 -21 21 12 17 11 5 9 131 -23 -20 55 51 -21 46 25 -20 24 43 -22 16 59 28 0 0 -20 40 5 17 11 7 8 132 -22 -20 14 23 -21 5 39 -19 42 49 -21 36 38 27 0 0 -19 57 11 17 11 9 7 132 -21 -19 31 6 -20 23 6 -18 59 4 -20 54 32 26 0 0 -19 12 24 17 11 11 6 132 -20 -18 45 56 -19 38 43 -18 13 24 -20 10 37 25 0 0 -18 25 42 17 11 12 5 133 -19 -17 58 48 -18 52 26 -17 25 45 -19 24 49 24 0 0 -17 36 59 17 11 13 3 133 -18 -17 9 38 -18 4 9 -16 36 2 -18 37 3 23 0 0 -16 46 10 17 11 14 2 133 -16 -16 18 21 -17 13 47 -15 44 10 -17 47 14 22 0 0 -15 53 9 17 11 15 1 134 -15 -15 24 51 -16 21 16 -14 50 2 .. .. .. Uncertainty in time = +/- 5 secs [Prediction of 2008 May 22.0] Data for the target star ------------------------ * name: TYC 7908-01494-1 * constellation : Corona Australis * J2000 position with proper motion to date of event [h,m,s ; °,',"] RA: 18 18 28.0198 DE: -41 51 00.758 * position source: mpos:UCAC2 pm:UCAC2 * standard error: RA,DE ["]: ( .027, .022 ) * V mag [mag]: 12.1 * B mag [mag]: 12.4 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (599) Luisa approx. diameter [km]: 65 approx. diameter ["]: .065 distance from Earth [AU]: 1.37600 * orbital information: orbit source: Preston date of fit: 2008 May 21 source of used astrometry: FASTT MPC (via Astdys) number of used observations: 876 number of rejected observations: 56 time covered by the observations: 1906 Apr 29 - 2008 Apr 23 1 sigma uncertainty ellipse (major, minor, PA): 0.038, 0.020, 99° remarks: * orbital elements for (599) Luisa : Mean anomaly = 317.63093148 deg Arg. of pericenter = 292.81941980 deg Long. of node = 44.68160819 deg Inclination = 16.66499170 deg Eccentricity = 0.29380585 Semimajor axis = 2.77242249 AU Perihelion dist = 1.95786853 AU Mag: H = 8.80, G = 0.15 Epoch of elements : MJD 54619.70900000 TDT (2008 Jun 02.709) ------ occelmnt file for Occult BEGIN ----------------------------------- 2008 Jun 2 599 Luisa 17h 2.1m UT 12.1 18 18 28.020-41 51 0.76TYC 7908-01494-1 12.4 11.9 65 6.4 1.376 -2.072 -28.09 127.5539 -41.842 -76.00 22.30 17.0352 -0.38512 0.31727 -3.61774 -4.39511 -0.00202 0.00152 2000 315.5579782008 524.00000292.819420 44.681608 16.6649920.29380585 2.7724225 1.9578685 8.7 5.00.15 RATE 2.1350840 0.000000 0.000000 0.000000 0.0000000 0.0000000 0.0000000 Meas 0.046 0.030 96 1.61 0.040 0 54608.5020080602_1494-1 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2008 May 22, 03:44 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 425-688-9965 mailto: stevepr@acm.org