IOTA/IOTA-ES occultation update for (762) Pulcova / TYC 2314-01655-1 event on 2009 Oct 08, 09:38 UT Visible from Summary ------- On 2009 Oct 08 UT, the 137 km diameter asteroid (762) Pulcova will occult a 12.2 mag star in the constellation Triangulum for observers along a path across . In the case of an occultation, the combined light of the asteroid and the star will drop by 1.4 mag to 13.2 mag (the magnitude of the asteroid) for at most 13.2 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: 99 * date and approx. time of event: 2009 Oct 08, 09:29 - 2009 Oct 08, 09:49 UT * magnitude of target star: 12.2 * magnitude drop [mag]: 1.4 * estimated maximum duration [s]: 13.2 * Moon: 81 % sunlit, 26° distance * Sun: 146° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 137 * 1 sigma uncertainty interval [path widths]: +/- 0.27 * 1 sigma uncertainty interval [seconds]: +/- 4.2 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- .031 +/- .022) * 1 sigma uncertainty ellipse (major, minor, PA): ( .032", .022", 77° ) * approx speed of asteroid's shadow [km/s]: 10.4066 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 2314-01655-1 by 762 Pulcova on 2009 Oct 8 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 ' " Latitude Latitude Latitude Latitude 142 0 0 - 1 21 35 9 49 11 0 57 -22 - 0 36 58 .. .. .. - 0 12 53 .. .. .. 143 0 0 - 0 41 49 9 49 11 1 57 -23 0 2 46 - 1 26 28 0 26 50 - 1 50 35 144 0 0 - 0 2 10 9 49 11 3 57 -24 0 42 23 - 0 46 46 1 6 25 - 1 10 52 145 0 0 0 37 21 9 49 10 4 57 -25 1 21 51 - 0 7 11 1 45 52 - 0 31 16 146 0 0 1 16 43 9 49 9 5 57 -26 2 1 10 0 32 14 2 25 9 0 8 11 147 0 0 1 55 55 9 49 8 6 57 -27 2 40 18 1 11 29 3 4 14 0 47 27 148 0 0 2 34 54 9 49 6 7 57 -29 3 19 13 1 50 32 3 43 8 1 26 33 149 0 0 3 13 40 9 49 4 9 57 -30 3 57 55 2 29 22 4 21 48 2 5 26 150 0 0 3 52 13 9 49 2 10 57 -31 4 36 23 3 7 59 5 0 13 2 44 5 151 0 0 4 30 29 9 49 0 11 57 -32 5 14 35 3 46 21 5 38 23 3 22 29 152 0 0 5 8 30 9 48 58 12 57 -33 5 52 30 4 24 26 6 16 15 4 0 37 153 0 0 5 46 12 9 48 55 13 57 -34 6 30 8 5 2 14 6 53 50 4 38 28 154 0 0 6 23 37 9 48 52 14 57 -35 7 7 27 5 39 44 7 31 6 5 16 1 155 0 0 7 0 41 9 48 49 16 57 -36 7 44 26 6 16 54 8 8 2 5 53 14 156 0 0 7 37 26 9 48 45 17 57 -37 8 21 4 6 53 44 8 44 37 6 30 8 157 0 0 8 13 49 9 48 42 18 57 -38 8 57 21 7 30 13 9 20 50 7 6 40 158 0 0 8 49 49 9 48 38 19 58 -39 9 33 15 8 6 21 9 56 41 7 42 51 159 0 0 9 25 27 9 48 34 20 58 -40 10 8 46 8 42 5 10 32 9 8 18 38 160 0 0 10 0 41 9 48 29 21 58 -41 10 43 54 9 17 25 11 7 13 8 54 3 161 0 0 10 35 30 9 48 25 22 58 -42 11 18 36 9 52 22 11 41 52 9 29 3 162 0 0 11 9 55 9 48 20 24 58 -43 11 52 54 10 26 53 12 16 5 10 3 38 163 0 0 11 43 53 9 48 15 25 58 -43 12 26 45 11 0 59 12 49 53 10 37 47 164 0 0 12 17 25 9 48 10 26 59 -44 13 0 10 11 34 38 13 23 14 11 11 30 165 0 0 12 50 30 9 48 5 27 59 -45 13 33 8 12 7 50 13 56 8 11 44 46 166 0 0 13 23 8 9 48 0 28 59 -46 14 5 38 12 40 35 14 28 34 12 17 35 167 0 0 13 55 17 9 47 54 29 59 -47 14 37 40 13 12 52 15 0 32 12 49 56 168 0 0 14 26 58 9 47 48 30 59 -48 15 9 13 13 44 40 15 32 1 13 21 49 169 0 0 14 58 10 9 47 43 31 60 -49 15 40 18 14 16 0 16 3 2 13 53 12 170 0 0 15 28 53 9 47 37 32 60 -50 16 10 53 14 46 50 16 33 33 14 24 7 171 0 0 15 59 6 9 47 30 33 60 -51 16 40 58 15 17 11 17 3 34 14 54 32 172 0 0 16 28 49 9 47 24 34 60 -51 17 10 34 15 47 2 17 33 6 15 24 27 173 0 0 16 58 2 9 47 18 35 61 -52 17 39 39 16 16 23 18 2 7 15 53 52 174 0 0 17 26 45 9 47 11 36 61 -53 18 8 14 16 45 13 18 30 38 16 22 46 175 0 0 17 54 57 9 47 4 37 61 -54 18 36 18 17 13 33 18 58 38 16 51 10 176 0 0 18 22 37 9 46 58 39 61 -55 19 3 52 17 41 21 19 26 7 17 19 3 177 0 0 18 49 47 9 46 51 40 62 -55 19 30 54 18 8 39 19 53 5 17 46 25 178 0 0 19 16 26 9 46 44 41 62 -56 19 57 25 18 35 25 20 19 32 18 13 15 179 0 0 19 42 33 9 46 36 42 62 -57 20 23 25 19 1 40 20 45 28 18 39 34 180 0 0 20 8 9 9 46 29 43 63 -57 20 48 53 19 27 24 21 10 52 19 5 22 -179 0 0 20 33 14 9 46 22 44 63 -58 21 13 50 19 52 36 21 35 45 19 30 38 -178 0 0 20 57 47 9 46 15 45 63 -59 21 38 16 20 17 16 22 0 7 19 55 22 -177 0 0 21 21 48 9 46 7 46 63 -59 22 2 10 20 41 25 22 23 57 20 19 35 -176 0 0 21 45 18 9 45 59 47 64 -60 22 25 32 21 5 2 22 47 15 20 43 16 -175 0 0 22 8 16 9 45 52 47 64 -61 22 48 23 21 28 7 23 10 2 21 6 25 -174 0 0 22 30 42 9 45 44 48 64 -61 23 10 42 21 50 40 23 32 18 21 29 3 -173 0 0 22 52 37 9 45 36 49 65 -62 23 32 30 22 12 42 23 54 2 21 51 8 -172 0 0 23 14 1 9 45 28 50 65 -62 23 53 47 22 34 13 24 15 14 22 12 42 -171 0 0 23 34 52 9 45 20 51 65 -63 24 14 32 22 55 11 24 35 56 22 33 45 -170 0 0 23 55 13 9 45 13 52 66 -63 24 34 45 23 15 38 24 56 6 22 54 15 -169 0 0 24 15 2 9 45 4 53 66 -64 24 54 28 23 35 34 25 15 45 23 14 15 -168 0 0 24 34 19 9 44 56 54 66 -64 25 13 39 23 54 58 25 34 52 23 33 42 -167 0 0 24 53 6 9 44 48 55 67 -65 25 32 19 24 13 51 25 53 29 23 52 39 -166 0 0 25 11 21 9 44 40 56 67 -65 25 50 28 24 32 13 26 11 35 24 11 4 -165 0 0 25 29 6 9 44 32 57 67 -65 26 8 6 24 50 3 26 29 10 24 28 58 -164 0 0 25 46 19 9 44 24 58 67 -66 26 25 14 25 7 23 26 46 14 24 46 20 -163 0 0 26 3 2 9 44 15 59 68 -66 26 41 51 25 24 11 27 2 48 25 3 12 -162 0 0 26 19 14 9 44 7 60 68 -66 26 57 57 25 40 29 27 18 51 25 19 33 -161 0 0 26 34 55 9 43 58 61 68 -67 27 13 33 25 56 16 27 34 24 25 35 23 -160 0 0 26 50 6 9 43 50 61 69 -67 27 28 39 26 11 33 27 49 27 25 50 42 -159 0 0 27 4 47 9 43 42 62 69 -67 27 43 14 26 26 19 28 3 59 26 5 31 -158 0 0 27 18 58 9 43 33 63 69 -67 27 57 19 26 40 34 28 18 2 26 19 50 -157 0 0 27 32 38 9 43 25 64 69 -67 28 10 55 26 54 20 28 31 35 26 33 38 -156 0 0 27 45 49 9 43 16 65 70 -67 28 24 1 27 7 35 28 44 38 26 46 56 -155 0 0 27 58 29 9 43 8 66 70 -67 28 36 37 27 20 20 28 57 11 26 59 43 -154 0 0 28 10 40 9 42 59 67 70 -67 28 48 43 27 32 36 29 9 15 27 12 1 -153 0 0 28 22 22 9 42 50 68 70 -67 29 0 20 27 44 21 29 20 50 27 23 49 -152 0 0 28 33 34 9 42 42 68 70 -67 29 11 28 27 55 38 29 31 56 27 35 8 -151 0 0 28 44 16 9 42 33 69 71 -67 29 22 7 28 6 24 29 42 32 27 45 57 -150 0 0 28 54 30 9 42 24 70 71 -67 29 32 16 28 16 41 29 52 40 27 56 16 -149 0 0 29 4 14 9 42 16 71 71 -67 29 41 57 28 26 29 30 2 18 28 6 6 -148 0 0 29 13 29 9 42 7 72 71 -67 29 51 9 28 35 48 30 11 28 28 15 27 -147 0 0 29 22 16 9 41 58 73 71 -67 29 59 52 28 44 38 30 20 10 28 24 18 -146 0 0 29 30 33 9 41 50 73 71 -66 30 8 6 28 52 59 30 28 22 28 32 41 -145 0 0 29 38 22 9 41 41 74 71 -66 30 15 52 29 0 51 30 36 7 28 40 34 -144 0 0 29 45 43 9 41 32 75 71 -66 30 23 10 29 8 14 30 43 23 28 47 59 -143 0 0 29 52 35 9 41 23 76 71 -66 30 29 59 29 15 9 30 50 11 28 54 55 -142 0 0 29 58 58 9 41 15 77 70 -65 30 36 20 29 21 35 30 56 30 29 1 23 -141 0 0 30 4 53 9 41 6 77 70 -65 30 42 13 29 27 32 31 2 22 29 7 21 -140 0 0 30 10 20 9 40 57 78 70 -65 30 47 38 29 33 1 31 7 46 29 12 51 -139 0 0 30 15 19 9 40 48 79 69 -64 30 52 35 29 38 2 31 12 42 29 17 53 -138 0 0 30 19 50 9 40 39 80 68 -64 30 57 4 29 42 34 31 17 10 29 22 27 -137 0 0 30 23 52 9 40 31 81 67 -63 31 1 5 29 46 38 31 21 10 29 26 32 -136 0 0 30 27 27 9 40 22 81 66 -63 31 4 38 29 50 14 31 24 42 29 30 8 -135 0 0 30 30 34 9 40 13 82 64 -63 31 7 43 29 53 22 31 27 47 29 33 17 -134 0 0 30 33 12 9 40 4 83 62 -62 31 10 21 29 56 2 31 30 24 29 35 57 -133 0 0 30 35 23 9 39 55 84 59 -62 31 12 31 29 58 14 31 32 34 29 38 9 -132 0 0 30 37 6 9 39 46 84 55 -61 31 14 13 29 59 58 31 34 16 29 39 53 -131 0 0 30 38 21 9 39 38 85 50 -61 31 15 28 30 1 13 31 35 30 29 41 9 -130 0 0 30 39 9 9 39 29 85 43 -60 31 16 15 30 2 1 31 36 17 29 41 57 -129 0 0 30 39 28 9 39 20 86 33 -60 31 16 35 30 2 21 31 36 37 29 42 17 -128 0 0 30 39 20 9 39 11 86 21 -59 31 16 27 30 2 13 31 36 29 29 42 9 -127 0 0 30 38 44 9 39 2 86 6 -59 31 15 51 30 1 36 31 35 53 29 41 33 -126 0 0 30 37 41 9 38 53 86 351 -58 31 14 48 30 0 32 31 34 50 29 40 28 -125 0 0 30 36 9 9 38 44 86 337 -57 31 13 17 29 59 0 31 33 19 29 38 56 -124 0 0 30 34 10 9 38 35 86 325 -57 31 11 18 29 57 0 31 31 21 29 36 55 -123 0 0 30 31 43 9 38 27 85 317 -56 31 8 52 29 54 32 31 28 55 29 34 27 -122 0 0 30 28 48 9 38 18 85 310 -56 31 5 58 29 51 36 31 26 2 29 31 30 -121 0 0 30 25 25 9 38 9 84 306 -55 31 2 36 29 48 11 31 22 41 29 28 5 -120 0 0 30 21 34 9 38 0 83 302 -54 30 58 47 29 44 19 31 18 53 29 24 12 -119 0 0 30 17 15 9 37 51 83 300 -54 30 54 30 29 39 58 31 14 36 29 19 50 -118 0 0 30 12 28 9 37 42 82 298 -53 30 49 45 29 35 10 31 9 52 29 15 0 -117 0 0 30 7 13 9 37 33 81 296 -53 30 44 32 29 29 52 31 4 40 29 9 42 -116 0 0 30 1 29 9 37 24 80 295 -52 30 38 51 29 24 7 30 59 0 29 3 55 -115 0 0 29 55 18 9 37 16 80 294 -51 30 32 41 29 17 53 30 52 52 28 57 40 -114 0 0 29 48 38 9 37 7 79 293 -51 30 26 4 29 11 11 30 46 16 28 50 56 -113 0 0 29 41 30 9 36 58 78 292 -50 30 18 58 29 4 0 30 39 12 28 43 44 -112 0 0 29 33 53 9 36 49 77 292 -49 30 11 25 28 56 20 30 31 40 28 36 3 -111 0 0 29 25 48 9 36 40 76 292 -49 30 3 22 28 48 11 30 23 39 28 27 52 -110 0 0 29 17 14 9 36 31 76 291 -48 29 54 52 28 39 34 30 15 10 28 19 13 -109 0 0 29 8 11 9 36 22 75 291 -47 29 45 52 28 30 28 30 6 13 28 10 5 -108 0 0 28 58 39 9 36 13 74 291 -47 29 36 24 28 20 53 29 56 47 28 0 28 -107 0 0 28 48 38 9 36 5 73 291 -46 29 26 27 28 10 48 29 46 52 27 50 21 -106 0 0 28 38 8 9 35 56 72 291 -45 29 16 1 28 0 14 29 36 28 27 39 46 -105 0 0 28 27 9 9 35 47 71 291 -44 29 5 6 27 49 11 29 25 35 27 28 40 -104 0 0 28 15 41 9 35 38 70 291 -44 28 53 42 27 37 39 29 14 13 27 17 5 -103 0 0 28 3 43 9 35 29 70 291 -43 28 41 49 27 25 36 29 2 22 27 5 1 -102 0 0 27 51 16 9 35 21 69 291 -42 28 29 26 27 13 4 28 50 2 26 52 26 -101 0 0 27 38 19 9 35 12 68 292 -41 28 16 34 27 0 3 28 37 12 26 39 22 -100 0 0 27 24 52 9 35 3 67 292 -41 28 3 12 26 46 31 28 23 53 26 25 48 - 99 0 0 27 10 55 9 34 54 66 292 -40 27 49 20 26 32 29 28 10 4 26 11 43 - 98 0 0 26 56 28 9 34 46 65 292 -39 27 34 58 26 17 57 27 55 45 25 57 8 - 97 0 0 26 41 32 9 34 37 64 292 -38 27 20 7 26 2 55 27 40 56 25 42 3 - 96 0 0 26 26 4 9 34 28 63 293 -38 27 4 45 25 47 22 27 25 37 25 26 27 - 95 0 0 26 10 7 9 34 20 63 293 -37 26 48 53 25 31 19 27 9 48 25 10 21 - 94 0 0 25 53 38 9 34 11 62 293 -36 26 32 30 25 14 45 26 53 29 24 53 44 - 93 0 0 25 36 40 9 34 2 61 293 -35 26 15 37 24 57 40 26 36 39 24 36 36 - 92 0 0 25 19 10 9 33 54 60 294 -34 25 58 14 24 40 5 26 19 19 24 18 57 - 91 0 0 25 1 10 9 33 45 59 294 -34 25 40 20 24 21 58 26 1 28 24 0 47 - 90 0 0 24 42 38 9 33 37 58 294 -33 25 21 55 24 3 21 25 43 6 23 42 6 - 89 0 0 24 23 36 9 33 28 57 295 -32 25 2 59 23 44 12 25 24 14 23 22 54 - 88 0 0 24 4 3 9 33 20 56 295 -31 24 43 32 23 24 32 25 4 50 23 3 11 - 87 0 0 23 43 58 9 33 12 55 295 -30 24 23 34 23 4 21 24 44 56 22 42 56 - 86 0 0 23 23 22 9 33 3 54 295 -30 24 3 5 22 43 38 24 24 30 22 22 10 - 85 0 0 23 2 15 9 32 55 53 296 -29 23 42 4 22 22 24 24 3 34 22 0 52 - 84 0 0 22 40 36 9 32 47 52 296 -28 23 20 32 22 0 38 23 42 6 21 39 2 - 83 0 0 22 18 26 9 32 39 51 296 -27 22 58 29 21 38 21 23 20 7 21 16 42 - 82 0 0 21 55 45 9 32 31 50 297 -26 22 35 55 21 15 33 22 57 36 20 53 49 - 81 0 0 21 32 32 9 32 23 49 297 -25 22 12 49 20 52 13 22 34 34 20 30 25 - 80 0 0 21 8 48 9 32 15 49 297 -24 21 49 12 20 28 21 22 11 1 20 6 30 - 79 0 0 20 44 32 9 32 7 48 297 -23 21 25 4 20 3 58 21 46 57 19 42 2 - 78 0 0 20 19 45 9 31 59 47 298 -23 21 0 24 19 39 3 21 22 21 19 17 4 - 77 0 0 19 54 26 9 31 51 46 298 -22 20 35 13 19 13 37 20 57 14 18 51 34 - 76 0 0 19 28 37 9 31 44 45 298 -21 20 9 31 18 47 40 20 31 36 18 25 33 - 75 0 0 19 2 16 9 31 36 44 298 -20 19 43 17 18 21 12 20 5 26 17 59 0 - 74 0 0 18 35 24 9 31 29 42 299 -19 19 16 33 17 54 12 19 38 46 17 31 56 - 73 0 0 18 8 1 9 31 21 41 299 -18 18 49 18 17 26 41 19 11 35 17 4 22 - 72 0 0 17 40 7 9 31 14 40 299 -17 18 21 32 16 58 40 18 43 53 16 36 16 - 71 0 0 17 11 43 9 31 7 39 300 -16 17 53 15 16 30 8 18 15 40 16 7 40 - 70 0 0 16 42 48 9 31 0 38 300 -15 17 24 28 16 1 6 17 46 57 15 38 34 - 69 0 0 16 13 23 9 30 53 37 300 -14 16 55 11 15 31 34 17 17 44 15 8 57 - 68 0 0 15 43 29 9 30 46 36 300 -13 16 25 24 15 1 32 16 48 1 14 38 51 - 67 0 0 15 13 5 9 30 39 35 300 -12 15 55 7 14 31 0 16 17 49 14 8 15 - 66 0 0 14 42 11 9 30 33 34 301 -11 15 24 22 13 59 59 15 47 7 13 37 10 - 65 0 0 14 10 49 9 30 27 33 301 -10 14 53 7 13 28 29 15 15 56 13 5 36 - 64 0 0 13 38 59 9 30 20 32 301 -9 14 21 23 12 56 31 14 44 17 12 33 34 - 63 0 0 13 6 40 9 30 14 31 301 -8 13 49 12 12 24 5 14 12 9 12 1 4 - 62 0 0 12 33 54 9 30 8 30 302 -7 13 16 33 11 51 12 13 39 34 11 28 7 - 61 0 0 12 0 40 9 30 2 29 302 -6 12 43 27 11 17 51 13 6 32 10 54 43 - 60 0 0 11 27 1 9 29 57 28 302 -5 12 9 54 10 44 4 12 33 3 10 20 52 - 59 0 0 10 52 55 9 29 51 26 302 -4 11 35 55 10 9 52 11 59 8 9 46 35 - 58 0 0 10 18 24 9 29 46 25 302 -3 11 1 31 9 35 14 11 24 47 9 11 54 - 57 0 0 9 43 28 9 29 41 24 302 -2 10 26 42 9 0 11 10 50 2 8 36 48 - 56 0 0 9 8 9 9 29 36 23 303 -1 9 51 29 8 24 45 10 14 52 8 1 18 - 55 0 0 8 32 26 9 29 32 22 303 0 9 15 53 7 48 56 9 39 19 7 25 26 Uncertainty in time = +/- 5 secs [Prediction of 2008 Mar 20.0] Data for the target star ------------------------ * name: TYC 2314-01655-1 * constellation : Triangulum * J2000 position with proper motion to date of event [h,m,s ; °,',"] RA: 02 20 34.1461 DE: +33 21 07.284 * position source: mpos:UCAC2 pm:UCAC2 * standard error: RA,DE ["]: ( .017, .017 ) * V mag [mag]: 12.2 * B mag [mag]: 12.6 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (762) Pulcova approx. diameter [km]: 137 approx. diameter ["]: .082 distance from Earth [AU]: 2.29800 * orbital information: orbit source: Preston date of fit: 2008 Mar 20 source of used astrometry: FASTT MPC (via Astdys) number of used observations: 752 number of rejected observations: 79 time covered by the observations: 1916 Mar 14 - 2007 Aug 21 1 sigma uncertainty ellipse (major, minor, PA): 0.027, 0.013, 72° remarks: * orbital elements for (762) Pulcova : Mean anomaly = 271.77380047 deg Arg. of pericenter = 189.06449860 deg Long. of node = 305.79632108 deg Inclination = 13.08933788 deg Eccentricity = 0.10139864 Semimajor axis = 3.15436594 AU Perihelion dist = 2.83451753 AU Mag: H = 8.04, G = 0.15 Epoch of elements : MJD 55112.40200000 TDT (2009 Oct 08.402) ------ occelmnt file for Occult BEGIN ----------------------------------- 2009 Oct 8 762 Pulcova 9h 39.0m UT 12.2 2 20 34.146 33 21 7.28TYC 2314-01655-1 12.7 13.2 137 13.2 2.298 -1.795 0.45 -126.7607 33.352 32.14 -6.01 9.6497 -0.00058 -0.05103 -5.87259 0.11903 -0.00212 -0.00247 2000 271.351220200910 6.00000189.064499305.796321 13.0893380.10139864 3.1543659 2.8345175 8.3 5.00.15 RATE 1.7592840 0.000000 0.000000 0.000000 0.0000000 0.0000000 0.0000000 Meas 0.032 0.022 77 1.27 0.022 1 20 810 54545.5020091008_1655-1 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2008 Mar 20, 14:31 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 425-688-9965 mailto: stevepr@acm.org