Update for (102) Miriam - November 22/23, 2003

Update computed by Jan Manek; issued 17 Nov 2003 17:42 +0100 (CET)

Jan Manek's update

                  IOTA/IOTA-ES occultation update for
         (102) Miriam / TYC 1316-01140-1 on November 22/23, 2003
  visible from Russia, Estonia, S Sweden, Denmark, N England and Ireland


Summary

In the night of November 22/23, 2003 a faint 11.4 mag star TYC 1316-01140-1 will be occulted by a 86 km asteroid (102) Miriam. This update is based on USNO/Flagstaff, TMO and Ondrejov astrometry for the asteroid and UCAC2 star position.

The updated path shows ~10 path width north shift with time ~0.3 minute earlier compared to Edwin Goffin's nominal prediction.

Updated path runs due to north shift over Russia ~1:00-1:05 UT with St.Petersburg in path ~1:04.8 UT, Estonia ~1:05.3 UT, S Sweden ~1:06.4 UT, Denmark ~1:07.2 UT, N England ~1:08.7 UT and Ireland ~1:09.5 UT with Dublin in path. Please check the path chart for details.

Here is current station list for observers and European cities.

Clear sky and good luck !!!

The event at one glimpse: * date and approx. UT time of event: November 23, 2003 @ 01:07 UT (Europe) * magnitude of target star: 11.4 * magnitude drop [mag]: 1.6 * estimated maximum duration [s]: 10.2 * path description: given above * Goffin's original chart reference: A03_1107 The occultation path: * approximate ground width [km]: 110 * uncertainty [path widths]: 0.8 * uncertainty in time [s]: 9 * map: below * remarks: Path uncertainties are given according to nominal star position errors and expected asteroid positional accuracy. Data for the target star: * name: TYC 1316-01140-1 * constellation: Orion * J2000 position [h,m,s; o,',"]: 05h 59m 20.9673s; +17o 19' 34.729" * position source: UCAC2 * estimated accuracy ["]: 0.03" (0.03", 0.02") * V mag [mag]: 11.37 * B-V [mag]: +0.47 * remarks: Target star is in north Orion, about 9.3 degrees west of 2.0 mag star gamma Geminorum = SAO 95912. !!! IMPORTANT !!! Purple stars in identification chart are so called 'non-star' objects in GSC; in dense fields the 'non-stars' are often real stars or blends of close pairs. Be careful about this. Close finding chart (prepared in GUIDE8): * occulted star is in center - labeled with cross * field is 3.0x3.0 degrees * limiting magnitude is 12.5 * labeled stars have indicated SAO numbers * remarks: Second chart shows 30' blowup to show correctly the star in field.

Data for the minor planet: * general information: number, name: (102) Miriam approx. diameter [km]: 86 * orbital information orbit source: calculation Manek source of used astrometry: USNO/Flagstaff (Ron Stone), TMO (Bill Owen), Ondrejov (Kusnirak, Sarounova, Manek) number of used observations: 134 USNO, 24 TMO, 4 Ondrejov number of rejected observations: 13 USNO, 1 TMO time covered by the observations: 1998 06 16 - 2003 11 06 rms residuals ["] (RA,DE): 0.08", 0.08" estimated positional accuracy at epoch of event ["]: 0.06", 0.06" remarks: Data for the event: * UT date and time of least geocentric approach: 01:08.9 UT * approx. V mag of minor planet at event [mag]: 12.7 * geocentric parallax of minor planet ["]: 5.938 * magnitude drop [mag]: 1.6 * estimated maximum duration [s]: 10.2 * apparent motion of minor planet ["/h]: 28.16 * angular distance to moon, phase of moon [deg,%]: 137, 1% * remarks: Elements for WinOccult: ============ cut here =========================================== 2003 Nov 23 102 Miriam 1h 8.9m UT 11.4 5 59 20.967 17 19 34.73TYC 1316-01140-1 11.8 12.7 86 10.2 1.481 -1.902 -7.25 10.998 17.329 159.32 -20.22 1.1489 -.15739 .59229 -4.58099 -1.22103 -0.00286 0.00053 2000 51.436184120031117.00000146.799821211.0086185.169707 0.254190102.660341341.984108919.265 0.15 RATE 2.2714231 .0000000 .0000000 .0000000 .00000000 .00000000 .00000000 ============ cut here =========================================== Calculator(s): Jan Manek

Updated path location for (102) Miriam on November 22/23, 2003

Updated path location for (102) Miriam on November 22/23, 2003

Path coordinates: Centre Star Star Sun Path Limits Error Limits E. Longitude Latitude U.T. Alt Az Alt Limit 1 Limit 2 Limit 3 Limit 4 ...................................... shortened ............................................. o ' " o ' " h m s o o o o ' " o ' " o ' " o ' " Latitude Latitude Latitude Latitude 90 0 0 58 10 4 1 0 8 22 268 -8 58 40 40 57 39 42 59 30 6 56 51 32 89 0 0 58 19 4 1 0 11 22 267 -8 58 49 37 57 48 45 59 38 57 57 0 41 88 0 0 58 27 47 1 0 15 23 266 -9 58 58 16 57 57 31 59 47 31 57 9 32 87 0 0 58 36 13 1 0 18 23 266 -9 59 6 39 58 6 1 59 55 48 57 18 7 86 0 0 58 44 23 1 0 22 24 265 -10 59 14 45 58 14 13 60 3 48 57 26 24 85 0 0 58 52 15 1 0 25 24 264 -10 59 22 34 58 22 9 60 11 32 57 34 25 84 0 0 58 59 51 1 0 29 25 263 -11 59 30 7 58 29 48 60 19 0 57 42 9 83 0 0 59 7 11 1 0 33 25 262 -11 59 37 24 58 37 11 60 26 11 57 49 36 82 0 0 59 14 14 1 0 36 26 261 -12 59 44 24 58 44 17 60 33 7 57 56 46 81 0 0 59 21 1 1 0 40 26 260 -12 59 51 8 58 51 7 60 39 47 58 3 41 80 0 0 59 27 32 1 0 44 27 259 -13 59 57 36 58 57 40 60 46 10 58 10 19 79 0 0 59 33 47 1 0 48 27 258 -13 60 3 49 59 3 58 60 52 18 58 16 40 78 0 0 59 39 46 1 0 52 27 257 -14 60 9 45 59 10 0 60 58 11 58 22 46 77 0 0 59 45 30 1 0 56 28 256 -15 60 15 26 59 15 45 61 3 47 58 28 35 76 0 0 59 50 57 1 1 0 28 255 -15 60 20 52 59 21 15 61 9 9 58 34 9 75 0 0 59 56 9 1 1 4 29 254 -16 60 26 1 59 26 30 61 14 15 58 39 26 74 0 0 60 1 6 1 1 8 29 253 -16 60 30 56 59 31 28 61 19 6 58 44 28 73 0 0 60 5 47 1 1 12 30 252 -17 60 35 35 59 36 12 61 23 42 58 49 15 72 0 0 60 10 13 1 1 16 30 251 -17 60 39 59 59 40 39 61 28 3 58 53 45 71 0 0 60 14 24 1 1 21 31 250 -17 60 44 8 59 44 52 61 32 8 58 58 1 70 0 0 60 18 19 1 1 25 31 249 -18 60 48 2 59 48 49 61 35 59 59 2 0 69 0 0 60 22 0 1 1 29 31 248 -18 60 51 41 59 52 31 61 39 36 59 5 45 68 0 0 60 25 25 1 1 33 32 247 -19 60 55 4 59 55 58 61 42 57 59 9 14 67 0 0 60 28 36 1 1 38 32 246 -19 60 58 14 59 59 10 61 46 4 59 12 28 66 0 0 60 31 31 1 1 42 33 245 -20 61 1 8 60 2 6 61 48 56 59 15 26 65 0 0 60 34 12 1 1 47 33 244 -20 61 3 48 60 4 48 61 51 34 59 18 10 64 0 0 60 36 38 1 1 51 34 243 -21 61 6 13 60 7 15 61 53 57 59 20 39 63 0 0 60 38 49 1 1 56 34 242 -21 61 8 23 60 9 27 61 56 6 59 22 52 62 0 0 60 40 46 1 2 0 34 241 -22 61 10 19 60 11 25 61 58 1 59 24 51 61 0 0 60 42 28 1 2 5 35 240 -22 61 12 0 60 13 7 61 59 41 59 26 34 60 0 0 60 43 55 1 2 9 35 239 -23 61 13 27 60 14 35 62 1 7 59 28 3 59 0 0 60 45 8 1 2 14 36 238 -23 61 14 39 60 15 49 62 2 19 59 29 17 58 0 0 60 46 6 1 2 19 36 237 -24 61 15 37 60 16 47 62 3 16 59 30 16 57 0 0 60 46 50 1 2 24 36 236 -24 61 16 21 60 17 31 62 3 59 59 31 0 56 0 0 60 47 19 1 2 29 37 235 -25 61 16 50 60 18 1 62 4 28 59 31 30 55 0 0 60 47 34 1 2 33 37 234 -25 61 17 5 60 18 15 62 4 43 59 31 44 54 0 0 60 47 35 1 2 38 38 233 -26 61 17 5 60 18 16 62 4 44 59 31 44 53 0 0 60 47 20 1 2 43 38 232 -26 61 16 52 60 18 1 62 4 31 59 31 30 52 0 0 60 46 52 1 2 48 38 231 -27 61 16 23 60 17 32 62 4 3 59 31 0 51 0 0 60 46 9 1 2 53 39 230 -27 61 15 41 60 16 49 62 3 21 59 30 16 50 0 0 60 45 11 1 2 58 39 229 -28 61 14 44 60 15 51 62 2 25 59 29 17 49 0 0 60 44 0 1 3 3 39 227 -28 61 13 33 60 14 38 62 1 16 59 28 3 48 0 0 60 42 33 1 3 9 40 226 -29 61 12 7 60 13 11 61 59 51 59 26 35 47 0 0 60 40 52 1 3 14 40 225 -29 61 10 27 60 11 29 61 58 13 59 24 51 46 0 0 60 38 57 1 3 19 41 224 -30 61 8 33 60 9 33 61 56 20 59 22 53 45 0 0 60 36 47 1 3 24 41 223 -30 61 6 24 60 7 21 61 54 14 59 20 40 44 0 0 60 34 22 1 3 30 41 222 -30 61 4 1 60 4 56 61 51 53 59 18 12 43 0 0 60 31 43 1 3 35 42 221 -31 61 1 24 60 2 15 61 49 17 59 15 30 42 0 0 60 28 50 1 3 40 42 220 -31 60 58 31 59 59 20 61 46 28 59 12 32 41 0 0 60 25 41 1 3 46 42 218 -32 60 55 25 59 56 10 61 43 24 59 9 20 40 0 0 60 22 18 1 3 51 43 217 -32 60 52 3 59 52 45 61 40 5 59 5 52 39 0 0 60 18 40 1 3 57 43 216 -33 60 48 27 59 49 5 61 36 32 59 2 10 38 0 0 60 14 48 1 4 3 43 215 -33 60 44 36 59 45 11 61 32 44 58 58 12 37 0 0 60 10 40 1 4 8 44 214 -34 60 40 31 59 41 1 61 28 42 58 53 59 36 0 0 60 6 17 1 4 14 44 212 -34 60 36 11 59 36 37 61 24 26 58 49 31 35 0 0 60 1 40 1 4 20 44 211 -35 60 31 35 59 31 57 61 19 54 58 44 48 34 0 0 59 56 47 1 4 26 45 210 -35 60 26 45 59 27 2 61 15 8 58 39 50 33 0 0 59 51 40 1 4 32 45 209 -36 60 21 40 59 21 52 61 10 7 58 34 36 32 0 0 59 46 17 1 4 38 45 208 -36 60 16 20 59 16 27 61 4 51 58 29 7 31 0 0 59 40 39 1 4 44 45 206 -37 60 10 44 59 10 46 60 59 19 58 23 22 30 0 0 59 34 45 1 4 50 46 205 -37 60 4 53 59 4 50 60 53 33 58 17 22 29 0 0 59 28 37 1 4 56 46 204 -38 59 58 47 58 58 38 60 47 32 58 11 6 28 0 0 59 22 12 1 5 2 46 202 -38 59 52 26 58 52 11 60 41 15 58 4 34 27 0 0 59 15 32 1 5 8 47 201 -39 59 45 49 58 45 28 60 34 43 57 57 47 26 0 0 59 8 37 1 5 14 47 200 -39 59 38 57 58 38 30 60 27 56 57 50 44 25 0 0 59 1 25 1 5 21 47 199 -40 59 31 49 58 31 15 60 20 53 57 43 24 24 0 0 58 53 58 1 5 27 48 197 -40 59 24 25 58 23 45 60 13 34 57 35 49 23 0 0 58 46 15 1 5 34 48 196 -41 59 16 45 58 15 59 60 6 0 57 27 58 22 0 0 58 38 16 1 5 40 48 195 -41 59 8 49 58 7 56 59 58 10 57 19 50 21 0 0 58 30 1 1 5 47 48 193 -42 59 0 37 57 59 38 59 50 4 57 11 26 20 0 0 58 21 30 1 5 54 49 192 -42 58 52 10 57 51 3 59 41 42 57 2 46 19 0 0 58 12 42 1 6 0 49 191 -43 58 43 26 57 42 12 59 33 4 56 53 50 18 0 0 58 3 38 1 6 7 49 189 -43 58 34 25 57 33 4 59 24 10 56 44 37 17 0 0 57 54 18 1 6 14 49 188 -44 58 25 8 57 23 40 59 14 59 56 35 7 16 0 0 57 44 41 1 6 21 49 186 -44 58 15 35 57 13 59 59 5 32 56 25 20 15 0 0 57 34 47 1 6 28 50 185 -45 58 5 45 57 4 2 58 55 48 56 15 17 14 0 0 57 24 36 1 6 35 50 184 -45 57 55 39 56 53 48 58 45 48 56 4 57 13 0 0 57 14 9 1 6 42 50 182 -46 57 45 15 56 43 17 58 35 31 55 54 20 12 0 0 57 3 25 1 6 49 50 181 -46 57 34 35 56 32 29 58 24 58 55 43 26 11 0 0 56 52 24 1 6 57 50 179 -47 57 23 38 56 21 24 58 14 7 55 32 16 10 0 0 56 41 6 1 7 4 51 178 -47 57 12 24 56 10 2 58 2 59 55 20 47 9 0 0 56 29 30 1 7 11 51 176 -48 57 0 52 55 58 22 57 51 35 55 9 2 8 0 0 56 17 38 1 7 19 51 175 -48 56 49 4 55 46 26 57 39 53 54 56 59 7 0 0 56 5 28 1 7 26 51 173 -49 56 36 58 55 34 12 57 27 53 54 44 39 6 0 0 55 53 1 1 7 34 51 172 -49 56 24 35 55 21 41 57 15 37 54 32 2 5 0 0 55 40 16 1 7 42 51 170 -50 56 11 54 55 8 52 57 3 3 54 19 7 4 0 0 55 27 14 1 7 49 51 169 -50 55 58 56 54 55 46 56 50 11 54 5 55 3 0 0 55 13 54 1 7 57 52 167 -51 55 45 40 54 42 22 56 37 2 53 52 25 2 0 0 55 0 16 1 8 5 52 166 -51 55 32 7 54 28 41 56 23 36 53 38 37 1 0 0 54 46 21 1 8 13 52 164 -52 55 18 16 54 14 42 56 9 51 53 24 32 0 0 0 54 32 8 1 8 21 52 162 -52 55 4 7 54 0 25 55 55 49 53 10 10 - 1 0 0 54 17 38 1 8 29 52 161 -53 54 49 40 53 45 51 55 41 29 52 55 29 - 2 0 0 54 2 50 1 8 37 52 159 -53 54 34 56 53 30 59 55 26 52 52 40 31 - 3 0 0 53 47 44 1 8 46 52 158 -54 54 19 54 53 15 49 55 11 56 52 25 15 - 4 0 0 53 32 20 1 8 54 52 156 -54 54 4 34 53 0 21 54 56 42 52 9 42 - 5 0 0 53 16 38 1 9 2 52 155 -55 53 48 56 52 44 36 54 41 11 51 53 51 - 6 0 0 53 0 39 1 9 11 52 153 -55 53 33 1 52 28 33 54 25 22 51 37 42 - 7 0 0 52 44 22 1 9 19 52 151 -56 53 16 47 52 12 12 54 9 15 51 21 16 - 8 0 0 52 27 47 1 9 28 52 150 -56 53 0 16 51 55 34 53 52 49 51 4 32 - 9 0 0 52 10 55 1 9 37 52 148 -57 52 43 27 51 38 38 53 36 7 50 47 30 - 10 0 0 51 53 44 1 9 45 52 147 -57 52 26 21 51 21 24 53 19 6 50 30 12 - 11 0 0 51 36 17 1 9 54 52 145 -58 52 8 57 51 3 53 53 1 47 50 12 35 - 12 0 0 51 18 32 1 10 3 52 143 -58 51 51 15 50 46 5 52 44 11 49 54 42 - 13 0 0 51 0 29 1 10 12 51 142 -59 51 33 16 50 27 59 52 26 17 49 36 31 ...................................... shortened ............................................. ---------------------------------------------------------------------------- Jan Manek Stefanik Observatory Private : Petrin 205 Werichova 950 118 46 Praha 1 152 00 Praha 5 - Barrandov |_|_| Czech Republic Czech Republic / \ Internet : jan.manek AT worldonline.cz |-O-O-| --------------------------------------------------------------------U---U---

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