IOTA/IOTA-ES occultation update for (7965) Katsuhiko / HIP 4313 event on 2009 Nov 05, 03:51 UT Visible from Summary ------- On 2009 Nov 05 UT, the 21 km diameter asteroid (7965) Katsuhiko will occult a 8.9 mag star in the constellation Andromeda for observers along a path across . In the case of an occultation, the combined light of the asteroid and the star will drop by 8.0 mag to 16.9 mag (the magnitude of the asteroid) for at most 1.4 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: . The event at a glimpse ---------------------- * Rank: 13 * date and approx. time of event: 2009 Nov 05, 03:44 - 2009 Nov 05, 03:57 UT * magnitude of target star: 8.9 * magnitude drop [mag]: 8.0 * estimated maximum duration [s]: 1.4 * Moon: 93 % sunlit, 50° distance * Sun: 143° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 23 * 1 sigma uncertainty interval [path widths]: +/- 5.14 * 1 sigma uncertainty interval [seconds]: +/- 7.6 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- .084 +/- .074) * 1 sigma uncertainty ellipse (major, minor, PA): ( .090", .067", 57° ) * approx speed of asteroid's shadow [km/s]: 15.3292 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of HIP 4313 by 7965 Katsuhiko on 2009 Nov 5 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 -127 49 49 -38 0 0 3 57 42 0 26 -9 -127 58 31 -127 41 7 ... .. .. -126 11 30 -127 13 21 -37 0 0 3 57 42 2 25 -10 -127 21 57 -127 4 45 ... .. .. -125 36 12 -126 37 9 -36 0 0 3 57 41 3 25 -11 -126 45 39 -126 28 39 ... .. .. -125 1 8 -126 1 12 -35 0 0 3 57 41 4 25 -12 -126 9 37 -125 52 48 ... .. .. -124 26 13 -125 25 27 -34 0 0 3 57 40 5 24 -13 -125 33 46 -125 17 8 ... .. .. -123 51 28 -124 49 53 -33 0 0 3 57 39 6 24 -14 -124 58 7 -124 41 39 ... .. .. -123 16 48 -124 14 26 -32 0 0 3 57 38 7 24 -15 -124 22 36 -124 6 17 -125 46 17 -122 42 14 -123 39 6 -31 0 0 3 57 37 8 23 -16 -123 47 11 -123 31 1 -125 10 7 -122 7 42 -123 3 51 -30 0 0 3 57 36 9 23 -17 -123 11 52 -122 55 50 -124 34 5 -121 33 12 -122 28 38 -29 0 0 3 57 34 10 23 -18 -122 36 35 -122 20 41 -123 58 9 -120 58 41 -121 53 26 -28 0 0 3 57 33 12 22 -19 -122 1 20 -121 45 32 -123 22 17 -120 24 9 -121 18 14 -27 0 0 3 57 31 13 22 -20 -121 26 4 -121 10 23 -122 46 27 -119 49 33 -120 42 59 -26 0 0 3 57 29 14 22 -21 -120 50 47 -120 35 12 -122 10 38 -119 14 52 -120 7 41 -25 0 0 3 57 27 15 22 -21 -120 15 26 -119 59 56 -121 34 48 -118 40 4 -119 32 17 -24 0 0 3 57 24 16 21 -22 -119 39 59 -119 24 35 -120 58 55 -118 5 9 -118 56 47 -23 0 0 3 57 22 17 21 -23 -119 4 27 -118 49 7 -120 22 58 -117 30 4 -118 21 8 -22 0 0 3 57 19 18 21 -24 -118 28 46 -118 13 30 -119 46 55 -116 54 48 -117 45 19 -21 0 0 3 57 16 19 20 -25 -117 52 55 -117 37 43 -119 10 45 -116 19 20 -117 9 19 -20 0 0 3 57 13 20 20 -26 -117 16 53 -117 1 45 -118 34 26 -115 43 37 -116 33 6 -19 0 0 3 57 10 22 20 -27 -116 40 39 -116 25 33 -117 57 56 -115 7 40 -115 56 39 -18 0 0 3 57 7 23 20 -28 -116 4 10 -115 49 7 -117 21 15 -114 31 25 -115 19 55 -17 0 0 3 57 3 24 19 -29 -115 27 26 -115 12 25 -116 44 20 -113 54 53 -114 42 55 -16 0 0 3 57 0 25 19 -30 -114 50 24 -114 35 25 -116 7 10 -113 18 0 -114 5 35 -15 0 0 3 56 56 26 19 -31 -114 13 4 -113 58 5 -115 29 43 -112 40 46 -113 27 54 -14 0 0 3 56 52 27 19 -32 -113 35 23 -113 20 25 -114 51 58 -112 3 8 -112 49 51 -13 0 0 3 56 47 28 18 -33 -112 57 20 -112 42 22 -114 13 53 -111 25 7 -112 11 25 -12 0 0 3 56 43 30 18 -34 -112 18 53 -112 3 56 -113 35 26 -110 46 38 -111 32 32 -11 0 0 3 56 38 31 18 -35 -111 40 1 -111 25 3 -112 56 36 -110 7 42 -110 53 13 -10 0 0 3 56 34 32 17 -36 -111 0 42 -110 45 43 -112 17 21 -109 28 15 -110 13 23 - 9 0 0 3 56 29 33 17 -37 -110 20 54 -110 5 53 -111 37 40 -108 48 17 -109 33 3 - 8 0 0 3 56 23 34 17 -38 -109 40 34 -109 25 32 -110 57 30 -108 7 45 -108 52 10 - 7 0 0 3 56 18 35 17 -39 -108 59 42 -108 44 37 -110 16 49 -107 26 37 -108 10 41 - 6 0 0 3 56 13 36 16 -40 -108 18 15 -108 3 7 -109 35 36 -106 44 50 -107 28 35 - 5 0 0 3 56 7 37 16 -41 -107 36 10 -107 20 59 -108 53 48 -106 2 24 -106 45 49 - 4 0 0 3 56 1 39 16 -43 -106 53 26 -106 38 11 -108 11 23 -105 19 15 -106 2 21 - 3 0 0 3 55 55 40 15 -44 -106 10 1 -105 54 41 -107 28 19 -104 35 20 -105 18 8 - 2 0 0 3 55 49 41 15 -45 -105 25 50 -105 10 26 -106 44 33 -103 50 38 -104 33 8 - 1 0 0 3 55 42 42 14 -46 -104 40 53 -104 25 23 -106 0 3 -103 5 5 -103 47 18 0 0 0 3 55 36 43 14 -47 -103 55 6 -103 39 30 -105 14 47 -102 18 39 -103 0 35 1 0 0 3 55 29 44 13 -48 -103 8 26 -102 52 43 -104 28 40 -101 31 15 Latitude Latitude Latitude Latitude -103 0 0 1 0 45 3 55 29 44 13 -48 1 10 44 0 50 44 2 52 17 - 0 53 22 -102 0 0 2 16 3 3 55 20 46 13 -49 2 25 53 2 6 12 4 5 55 0 23 45 -101 0 0 3 29 27 3 55 11 47 12 -51 3 39 8 3 19 44 5 17 40 1 38 53 -100 0 0 4 40 55 3 55 3 49 11 -52 4 50 27 4 31 21 6 27 32 2 52 3 - 99 0 0 5 50 28 3 54 54 50 11 -53 5 59 52 5 41 3 7 35 33 4 3 16 - 98 0 0 6 58 9 3 54 45 51 10 -54 7 7 24 6 48 52 8 41 44 5 12 31 - 97 0 0 8 3 57 3 54 36 52 9 -56 8 13 5 7 54 48 9 46 5 6 19 52 - 96 0 0 9 7 55 3 54 27 54 8 -57 9 16 55 8 58 54 10 48 39 7 25 19 - 95 0 0 10 10 3 3 54 18 55 7 -58 10 18 56 10 1 10 11 49 25 8 28 54 - 94 0 0 11 10 24 3 54 9 56 6 -59 11 19 10 11 1 38 12 48 27 9 30 39 - 93 0 0 12 9 0 3 54 0 57 5 -60 12 17 38 12 0 20 13 45 46 10 30 35 - 92 0 0 13 5 51 3 53 51 58 4 -61 13 14 23 12 57 18 14 41 23 11 28 45 - 91 0 0 14 1 0 3 53 43 59 3 -62 14 9 26 13 52 34 15 35 21 12 25 10 - 90 0 0 14 54 30 3 53 34 60 1 -63 15 2 49 14 46 10 16 27 41 13 19 52 - 89 0 0 15 46 21 3 53 25 61 0 -64 15 54 34 15 38 7 17 18 25 14 12 54 - 88 0 0 16 36 36 3 53 17 61 359 -65 16 44 43 16 28 28 18 7 35 15 4 17 - 87 0 0 17 25 17 3 53 8 62 357 -66 17 33 18 17 17 15 18 55 13 15 54 3 - 86 0 0 18 12 26 3 53 0 63 356 -67 18 20 22 18 4 29 19 41 21 16 42 16 - 85 0 0 18 58 4 3 52 51 64 354 -68 19 5 55 18 50 13 20 26 1 17 28 55 - 84 0 0 19 42 14 3 52 43 64 352 -69 19 50 0 19 34 28 21 9 14 18 14 4 - 83 0 0 20 24 58 3 52 35 65 350 -70 20 32 39 20 17 17 21 51 3 18 57 45 - 82 0 0 21 6 18 3 52 27 65 349 -70 21 13 54 20 58 41 22 31 30 19 40 0 - 81 0 0 21 46 15 3 52 19 66 347 -71 21 53 46 21 38 43 23 10 36 20 20 50 - 80 0 0 22 24 51 3 52 11 66 345 -72 22 32 18 22 17 24 23 48 23 21 0 17 - 79 0 0 23 2 8 3 52 3 66 343 -72 23 9 30 22 54 45 24 24 53 21 38 23 - 78 0 0 23 38 8 3 51 55 67 341 -73 23 45 26 23 30 49 25 0 7 22 15 11 - 77 0 0 24 12 53 3 51 48 67 339 -74 24 20 7 24 5 38 25 34 7 22 50 41 - 76 0 0 24 46 23 3 51 40 67 337 -74 24 53 34 24 39 12 26 6 56 23 24 55 - 75 0 0 25 18 42 3 51 33 67 335 -74 25 25 49 25 11 34 26 38 33 23 57 56 - 74 0 0 25 49 50 3 51 25 67 333 -75 25 56 53 25 42 46 27 9 2 24 29 45 - 73 0 0 26 19 48 3 51 18 67 331 -75 26 26 48 26 12 48 27 38 23 25 0 23 - 72 0 0 26 48 39 3 51 11 67 329 -75 26 55 36 26 41 42 28 6 37 25 29 51 - 71 0 0 27 16 24 3 51 4 67 327 -76 27 23 18 27 9 30 28 33 47 25 58 12 - 70 0 0 27 43 4 3 50 57 67 325 -76 27 49 54 27 36 13 28 59 53 26 25 27 - 69 0 0 28 8 40 3 50 50 67 323 -76 28 15 28 28 1 52 29 24 57 26 51 36 - 68 0 0 28 33 14 3 50 43 67 321 -76 28 39 59 28 26 29 29 49 1 27 16 42 - 67 0 0 28 56 47 3 50 36 67 320 -76 29 3 29 28 50 5 30 12 4 27 40 45 - 66 0 0 29 19 20 3 50 29 66 318 -76 29 26 0 29 12 40 30 34 9 28 3 47 - 65 0 0 29 40 54 3 50 23 66 317 -76 29 47 32 29 34 17 30 55 16 28 25 49 - 64 0 0 30 1 31 3 50 16 66 315 -75 30 8 6 29 54 56 31 15 27 28 46 53 - 63 0 0 30 21 11 3 50 10 65 314 -75 30 27 43 30 14 38 31 34 42 29 6 58 - 62 0 0 30 39 55 3 50 3 65 313 -75 30 46 25 30 33 24 31 53 2 29 26 6 - 61 0 0 30 57 44 3 49 57 64 312 -75 31 4 13 30 51 15 32 10 29 29 44 18 - 60 0 0 31 14 39 3 49 51 64 311 -74 31 21 6 31 8 12 32 27 4 30 1 35 - 59 0 0 31 30 42 3 49 45 64 310 -74 31 37 6 31 24 16 32 42 46 30 17 58 - 58 0 0 31 45 51 3 49 39 63 309 -74 31 52 15 31 39 28 32 57 37 30 33 27 - 57 0 0 32 0 10 3 49 33 63 308 -73 32 6 31 31 53 48 33 11 37 30 48 3 - 56 0 0 32 13 37 3 49 27 62 307 -73 32 19 57 32 7 17 33 24 48 31 1 48 - 55 0 0 32 26 15 3 49 21 61 306 -72 32 32 33 32 19 56 33 37 10 31 14 41 - 54 0 0 32 38 2 3 49 15 61 306 -72 32 44 20 32 31 45 33 48 43 31 26 44 - 53 0 0 32 49 1 3 49 9 60 305 -71 32 55 17 32 42 44 33 59 28 31 37 57 - 52 0 0 32 59 11 3 49 3 60 304 -71 33 5 26 32 52 56 34 9 26 31 48 20 - 51 0 0 33 8 33 3 48 58 59 304 -70 33 14 47 33 2 19 34 18 36 31 57 54 - 50 0 0 33 17 8 3 48 52 59 304 -70 33 23 21 33 10 55 34 27 0 32 6 40 - 49 0 0 33 24 56 3 48 47 58 303 -69 33 31 8 33 18 43 34 34 38 32 14 37 - 48 0 0 33 31 57 3 48 41 57 303 -69 33 38 8 33 25 45 34 41 31 32 21 47 - 47 0 0 33 38 11 3 48 36 57 303 -68 33 44 22 33 32 0 34 47 37 32 28 9 - 46 0 0 33 43 39 3 48 30 56 302 -67 33 49 49 33 37 29 34 52 59 32 33 44 - 45 0 0 33 48 22 3 48 25 55 302 -67 33 54 31 33 42 12 34 57 36 32 38 32 - 44 0 0 33 52 18 3 48 20 55 302 -66 33 58 28 33 46 9 35 1 28 32 42 34 - 43 0 0 33 55 30 3 48 15 54 302 -66 34 1 39 33 49 21 35 4 35 32 45 49 - 42 0 0 33 57 56 3 48 9 53 302 -65 34 4 4 33 51 47 35 6 58 32 48 17 - 41 0 0 33 59 36 3 48 4 53 302 -64 34 5 45 33 53 28 35 8 37 32 50 0 - 40 0 0 34 0 32 3 47 59 52 302 -64 34 6 40 33 54 23 35 9 32 32 50 56 - 39 0 0 34 0 42 3 47 54 51 302 -63 34 6 50 33 54 33 35 9 42 32 51 6 - 38 0 0 34 0 7 3 47 49 51 302 -62 34 6 16 33 53 58 35 9 8 32 50 30 - 37 0 0 33 58 47 3 47 44 50 302 -62 34 4 56 33 52 38 35 7 50 32 49 8 - 36 0 0 33 56 41 3 47 39 49 302 -61 34 2 50 33 50 32 35 5 48 32 47 0 - 35 0 0 33 53 50 3 47 35 49 302 -60 34 0 0 33 47 41 35 3 1 32 44 5 - 34 0 0 33 50 14 3 47 30 48 302 -60 33 56 23 33 44 4 34 59 29 32 40 23 - 33 0 0 33 45 51 3 47 25 47 302 -59 33 52 1 33 39 41 34 55 12 32 35 54 - 32 0 0 33 40 42 3 47 20 46 302 -58 33 46 53 33 34 31 34 50 10 32 30 38 - 31 0 0 33 34 47 3 47 16 46 303 -58 33 40 59 33 28 36 34 44 23 32 24 35 - 30 0 0 33 28 6 3 47 11 45 303 -57 33 34 18 33 21 53 34 37 50 32 17 44 - 29 0 0 33 20 37 3 47 6 44 303 -56 33 26 50 33 14 23 34 30 31 32 10 5 - 28 0 0 33 12 20 3 47 2 43 303 -56 33 18 34 33 6 5 34 22 26 32 1 37 - 27 0 0 33 3 16 3 46 57 43 303 -55 33 9 31 32 57 0 34 13 33 31 52 20 - 26 0 0 32 53 22 3 46 53 42 304 -54 32 59 39 32 47 6 34 3 53 31 42 14 - 25 0 0 32 42 40 3 46 49 41 304 -53 32 48 58 32 36 22 33 53 25 31 31 17 - 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9 0 0 27 49 38 3 45 45 27 309 -41 27 56 30 27 42 45 29 6 50 26 31 35 - 8 0 0 27 22 50 3 45 41 26 309 -40 27 29 45 27 15 53 28 40 38 26 4 9 - 7 0 0 26 54 54 3 45 38 25 310 -39 27 1 53 26 47 54 28 13 19 25 35 35 - 6 0 0 26 25 49 3 45 34 24 310 -38 26 32 51 26 18 45 27 44 53 25 5 49 - 5 0 0 25 55 33 3 45 31 23 310 -37 26 2 39 25 48 26 27 15 18 24 34 51 - 4 0 0 25 24 4 3 45 28 22 311 -37 25 31 14 25 16 53 26 44 32 24 2 38 - 3 0 0 24 51 20 3 45 25 21 311 -36 24 58 35 24 44 6 26 12 33 23 29 9 - 2 0 0 24 17 21 3 45 22 20 311 -35 24 24 39 24 10 2 25 39 19 22 54 21 - 1 0 0 23 42 3 3 45 19 19 312 -34 23 49 26 23 34 40 25 4 49 22 18 13 0 0 0 23 5 24 3 45 16 18 312 -33 23 12 52 22 57 57 24 29 1 21 40 43 1 0 0 22 27 24 3 45 14 17 312 -32 22 34 56 22 19 51 23 51 52 21 1 48 2 0 0 21 47 58 3 45 11 16 313 -31 21 55 35 21 40 21 23 13 21 20 21 27 3 0 0 21 7 6 3 45 9 15 313 -30 21 14 48 20 59 24 22 33 25 19 39 36 4 0 0 20 24 45 3 45 7 14 313 -29 20 32 32 20 16 57 21 52 2 18 56 14 5 0 0 19 40 53 3 45 4 12 314 -28 19 48 45 19 32 59 21 9 11 18 11 18 6 0 0 18 55 26 3 45 2 11 314 -27 19 3 25 18 47 27 20 24 48 17 24 45 7 0 0 18 8 24 3 45 1 10 314 -26 18 16 28 18 0 19 19 38 51 16 36 34 8 0 0 17 19 42 3 44 59 9 315 -25 17 27 53 17 11 31 18 51 17 15 46 40 9 0 0 16 29 19 3 44 58 8 315 -24 16 37 36 16 21 2 18 2 5 14 55 3 10 0 0 15 37 12 3 44 56 6 315 -23 15 45 36 15 28 48 17 11 12 14 1 39 11 0 0 14 43 19 3 44 55 5 315 -22 14 51 49 14 34 47 16 18 35 13 6 25 12 0 0 13 47 36 3 44 55 4 316 -20 13 56 14 13 38 57 .. .. .. 12 9 19 13 0 0 12 50 1 3 44 54 2 316 -19 12 58 47 12 41 15 .. .. .. 11 10 17 14 0 0 11 50 32 3 44 54 1 316 -18 11 59 25 11 41 38 .. .. .. .. .. .. Uncertainty in time = +/- 10 secs [Prediction of 2008 Nov 16.0] Data for the target star ------------------------ * name: HIP 4313 * constellation : Andromeda * J2000 position with proper motion to date of event [h,m,s ; °,',"] RA: 00 55 12.3983 DE: +44 59 33.725 * position source: mpos:HIP2 pm:HIP2 plx:HIP2 * standard error: RA,DE ["]: ( .016, .010 ) * V mag [mag]: 8.9 * B mag [mag]: 9.9 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (7965) Katsuhiko approx. diameter [km]: 21 approx. diameter ["]: .013 distance from Earth [AU]: 2.25200 * orbital information: orbit source: Preston date of fit: 2008 Nov 16 source of used astrometry: FASTT MPC (via Astdys) number of used observations: 391 number of rejected observations: 12 time covered by the observations: 1978 Aug 27 - 2008 Aug 22 1 sigma uncertainty ellipse (major, minor, PA): 0.089, 0.066, 56° remarks: * orbital elements for (7965) Katsuhiko : Mean anomaly = 155.38048826 deg Arg. of pericenter = 280.60543173 deg Long. of node = 310.08244137 deg Inclination = 25.02156359 deg Eccentricity = 0.29004353 Semimajor axis = 2.43613411 AU Perihelion dist = 1.72954917 AU Mag: H = 12.10, G = 0.15 Epoch of elements : MJD 55140.16100000 TDT (2009 Nov 05.161) ------ occelmnt file for Occult BEGIN ----------------------------------- 2009 Nov 5 7965 Katsuhiko 3h 51.3m UT 8.9 0 55 12.398 44 59 33.73HIP 4313 9.9 16.9 21 1.4 2.252 -2.493 -21.01 -88.5408 44.998 118.08 -15.70 3.8550 0.23820 -0.30038 -6.77711 -5.37887 0.00252 -0.00248 2000 155.338755200911 5.00000280.605432310.082441 25.0215640.29004353 2.4361341 1.729549212.0 5.00.15 RATE 2.5921030 0.000000 0.000000 0.000000 0.0000000 0.0000000 0.0000000 Meas 0.090 0.067 57 6.14 0.066 0 54786.5020091105___4313 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2008 Nov 16, 17:00 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 425-688-9965 mailto: stevepr@acm.org