IOTA/IOTA-ES occultation update for (526) Jena / TYC 1342-02271-1 event on 2008 Jan 06, 00:14 UT Visible from NE Russia Summary ------- On 2008 Jan 06 UT, the 41 km diameter asteroid (526) Jena will occult a 10.4 mag star in the constellation Gemini for observers along a path across NE Russia. In the case of an occultation, the combined light of the asteroid and the star will drop by 3.4 mag to 13.7 mag (the magnitude of the asteroid) for at most 3.6 seconds. This update is based on UNSO/Flagstaff astrometry for the asteroid kindly provided by Alice Monet, TMO astrometry for the asteroid kindly provided by Bill Owen, historical astrometry from the MPC files (via AstDys), and the following catalogs for the star position: UCAC. The event at a glimpse ---------------------- * Rank: 73 * date and approx. time of event: 2008 Jan 06, 00:10 - 2008 Jan 06, 00:17 UT * magnitude of target star: 10.4 * magnitude drop [mag]: 3.4 * estimated maximum duration [s]: 3.6 * Moon: 6 % sunlit, 156° distance * Sun: 175° distance * rough path description: NE Russia The occultation path -------------------- * approximate projected width [km]: 102 * 1 sigma uncertainty interval [path widths]: +/- 0.78 * 1 sigma uncertainty interval [seconds]: +/- 3.6 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- .034 +/- .025) * 1 sigma uncertainty ellipse (major, minor, PA): ( .034", .025", 92° ) * approx speed of asteroid's shadow [km/s]: 11.2999 * website for maps: http://lunar-occultations.com/iota/asteroids/astrndx.htm http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 1342-02271-1 by 526 Jena on 2008 Jan 06 Centre Star Star Sun Path Limit1 Path Limit2 Error Limit1 Error Limit2 E. Longitude Latitude U.T. Alt Az Alt o ' " o ' " h m s o o o o ' " o ' " o ' " o ' " o ' " o ' " o ' " o ' " Longitude Latitude Longitude Latitude Longitude Latitude Longitude Latitude ... .. .. .. .. .. .. .. .. .. .. .. ... .. .. .. .. .. ... .. .. .. .. .. 108 38 34 54 43 0 ... .. .. .. .. .. ... .. .. .. .. .. .. .. .. .. .. .. 109 51 13 55 2 11 ... .. .. .. .. .. 105 3 59 56 31 17 ... .. .. .. .. .. 109 3 32 56 2 27 0 10 12 4 302 -8 106 6 4 56 56 28 ... .. .. .. .. .. 102 33 44 57 50 35 ... .. .. .. .. .. 105 50 38 57 42 59 0 10 18 7 299 -10 103 33 59 58 17 42 108 35 26 56 54 57 100 30 13 58 57 45 ... .. .. .. .. .. 103 29 45 58 59 51 0 10 24 8 297 -12 101 30 17 59 25 58 105 43 14 58 26 55 98 42 17 59 57 45 110 7 31 57 8 46 101 32 37 60 5 49 0 10 30 10 296 -13 99 42 51 60 26 45 103 31 23 59 40 24 97 4 46 60 52 54 107 4 46 58 46 59 99 49 48 61 5 10 0 10 35 11 294 -14 98 6 12 61 22 32 101 39 57 60 44 30 95 34 50 61 44 30 104 50 0 60 3 8 98 16 47 61 59 59 0 10 41 12 293 -15 96 37 21 62 14 41 100 1 22 61 42 40 94 10 39 62 33 22 102 57 50 61 8 50 96 50 58 62 51 26 0 10 47 13 291 -16 95 14 25 63 4 2 98 31 47 62 36 39 92 51 0 63 20 2 101 19 32 62 8 9 95 30 43 63 40 15 0 10 53 14 290 -17 93 56 10 63 51 8 97 8 56 63 27 29 91 35 1 64 4 55 99 50 50 63 3 1 94 14 53 64 26 59 0 10 58 14 289 -18 92 41 42 64 36 26 95 51 20 64 15 53 90 22 2 64 48 16 98 29 14 63 54 37 93 2 40 65 12 0 0 11 4 15 288 -18 91 30 20 65 20 12 94 37 57 65 2 17 89 11 33 65 30 21 97 13 11 64 43 39 91 53 27 65 55 33 0 11 10 16 286 -19 90 21 34 66 2 40 93 28 3 65 47 3 88 3 10 66 11 20 96 1 37 65 30 37 90 46 45 66 37 52 0 11 16 16 285 -20 89 14 59 66 44 2 92 21 4 66 30 25 86 56 31 66 51 21 94 53 44 66 15 54 89 42 13 67 19 8 0 11 22 17 284 -20 88 10 16 67 24 25 91 16 35 67 12 38 85 51 21 67 30 31 93 48 59 66 59 46 88 39 30 67 59 28 0 11 27 17 283 -21 87 7 7 68 3 58 90 14 12 67 53 48 84 47 26 68 8 56 92 46 53 67 42 26 87 38 22 68 38 59 0 11 33 18 282 -21 86 5 20 68 42 46 89 13 41 68 34 6 83 44 31 68 46 41 91 47 7 68 24 4 86 38 36 69 17 48 0 11 39 18 281 -22 85 4 40 69 20 55 88 14 45 69 13 37 82 42 28 69 23 51 90 49 24 69 4 47 85 40 0 69 55 58 0 11 45 19 280 -22 84 4 59 69 58 28 87 17 14 69 52 27 81 41 4 70 0 29 89 53 28 69 44 44 84 42 24 70 33 35 0 11 50 19 279 -22 83 6 5 70 35 29 86 20 56 70 30 41 80 40 12 70 36 38 88 59 10 70 23 58 83 45 40 71 10 42 0 11 56 20 278 -23 82 7 51 71 12 3 85 25 43 71 8 22 79 39 41 71 12 21 88 6 20 71 2 36 82 49 38 71 47 22 0 12 2 20 276 -23 81 10 7 71 48 11 84 31 26 71 45 35 78 39 24 71 47 41 87 14 49 71 40 42 81 54 13 72 23 37 0 12 8 20 275 -23 80 12 46 72 23 56 83 37 59 72 22 21 77 39 11 72 22 39 86 24 30 72 18 19 80 59 15 72 59 31 0 12 14 21 274 -24 79 15 40 72 59 20 82 45 14 72 58 45 76 38 55 72 57 19 85 35 19 72 55 30 80 4 39 73 35 6 0 12 19 21 273 -24 78 18 42 73 34 27 81 53 5 73 34 49 75 38 28 73 31 41 84 47 10 73 32 18 79 10 18 74 10 24 0 12 25 21 272 -24 77 21 44 74 9 16 81 1 28 74 10 34 74 37 39 74 5 47 83 59 59 74 8 46 78 16 5 74 45 26 0 12 31 21 271 -24 76 24 38 74 43 52 80 10 16 74 46 3 73 36 20 74 39 40 83 13 42 74 44 56 77 21 54 75 20 14 0 12 37 22 270 -24 75 27 16 75 18 13 79 19 24 75 21 17 72 34 21 75 13 19 82 28 18 75 20 51 76 27 36 75 54 50 0 12 42 22 269 -25 74 29 30 75 52 23 78 28 47 75 56 19 71 31 32 75 46 47 81 43 43 75 56 31 75 33 6 76 29 16 0 12 48 22 268 -25 73 31 9 76 26 23 77 38 19 76 31 10 70 27 39 76 20 4 80 59 57 76 31 59 74 38 14 77 3 33 0 12 54 22 267 -25 72 32 4 77 0 13 76 47 55 77 5 52 69 22 30 76 53 12 80 16 58 77 7 17 73 42 51 77 37 42 0 13 0 22 266 -25 71 32 2 77 33 56 75 57 30 77 40 25 68 15 50 77 26 11 79 34 46 77 42 27 72 46 49 78 11 44 0 13 5 23 265 -25 70 30 51 78 7 32 75 6 56 78 14 52 67 7 22 77 59 3 78 53 23 78 17 28 71 49 54 78 45 40 0 13 11 23 263 -25 69 28 15 78 41 1 74 16 7 78 49 14 65 56 45 78 31 47 78 12 49 78 52 24 70 51 55 79 19 32 0 13 17 23 262 -25 68 23 56 79 14 26 73 24 56 79 23 31 64 43 35 79 4 26 77 33 7 79 27 15 69 52 35 79 53 21 0 13 23 23 261 -25 67 17 33 79 47 46 72 33 14 79 57 45 63 27 25 79 36 59 76 54 20 80 2 3 68 51 35 80 27 7 0 13 29 23 260 -25 66 8 40 80 21 4 71 40 50 80 31 57 62 7 41 80 9 26 76 16 35 80 36 48 67 48 33 81 0 52 0 13 34 23 259 -25 64 56 45 80 54 18 70 47 31 81 6 9 60 43 41 80 41 48 75 39 59 81 11 33 66 42 59 81 34 36 0 13 40 23 257 -25 63 41 9 81 27 31 69 53 4 81 40 20 59 14 36 81 14 6 75 4 43 81 46 18 65 34 18 82 8 20 0 13 46 23 256 -25 62 21 1 82 0 42 68 57 7 82 14 34 57 39 20 81 46 18 74 31 1 82 21 5 64 21 40 82 42 5 0 13 52 23 254 -25 60 55 18 82 33 51 67 59 17 82 48 49 55 56 34 82 18 24 73 59 14 82 55 54 63 4 4 83 15 52 0 13 57 23 253 -25 59 22 33 83 7 0 66 59 0 83 23 8 54 4 35 82 50 23 73 29 51 83 30 47 61 40 4 83 49 41 0 14 3 23 251 -25 57 40 53 83 40 6 65 55 31 83 57 31 52 1 5 83 22 15 73 3 31 84 5 44 60 7 38 84 23 32 0 14 9 23 250 -25 55 47 41 84 13 11 64 47 46 84 32 0 49 43 3 83 53 55 72 41 17 84 40 48 58 23 53 84 57 24 0 14 15 23 248 -25 53 39 14 84 46 11 63 34 11 85 6 35 47 6 25 84 25 21 72 24 40 85 15 58 56 24 26 85 31 18 0 14 20 23 245 -25 51 10 7 85 19 4 62 12 23 85 41 17 44 5 27 84 56 27 72 16 6 85 51 16 54 2 25 86 5 11 0 14 26 23 243 -25 48 12 8 85 51 46 60 38 27 86 16 6 40 32 10 85 27 3 72 19 44 86 26 42 51 6 21 86 38 58 0 14 32 23 240 -24 44 32 21 86 24 6 58 45 33 86 51 2 36 14 58 85 56 57 72 43 5 87 2 17 47 15 39 87 12 32 0 14 38 23 236 -24 39 49 23 86 55 51 56 20 39 87 26 4 30 57 1 86 25 47 73 41 20 87 37 58 41 50 10 87 45 34 0 14 44 22 230 -24 33 26 18 87 26 31 52 55 10 88 1 7 24 13 54 86 52 58 75 50 22 88 13 42 33 22 40 88 17 20 0 14 49 22 221 -24 24 17 13 87 55 9 47 13 19 88 35 57 15 31 48 87 17 33 80 57 54 88 49 8 18 25 47 88 45 50 0 14 55 22 206 -24 10 30 2 88 19 43 34 38 59 89 9 32 4 11 5 87 38 3 97 19 56 89 22 39 - 9 55 36 89 5 11 0 15 1 22 178 -23 - 10 4 58 88 36 15 - 9 28 9 89 34 43 - 10 12 39 87 52 17 168 52 54 89 37 52 - 49 2 4 89 4 7 0 15 7 22 138 -23 - 36 0 6 88 39 16 - 78 44 15 89 22 24 - 27 0 34 87 57 47 -144 28 26 89 11 11 - 76 17 29 88 43 0 0 15 12 21 111 -23 - 59 30 29 88 27 2 - 99 15 48 88 49 39 - 44 4 49 87 53 11 -134 3 6 88 35 21 - 90 38 52 88 12 43 0 15 18 21 96 -23 - 76 2 28 88 3 57 -106 58 36 88 13 31 - 59 5 32 87 39 11 -130 21 1 87 57 45 - 98 52 8 87 38 43 0 15 24 21 88 -22 - 86 56 39 87 34 48 -111 11 39 87 36 11 - 71 5 3 87 17 59 -128 45 55 87 19 16 -104 12 46 87 2 50 0 15 30 21 82 -22 - 94 23 53 87 2 16 -114 1 39 86 58 2 - 80 19 20 86 51 45 -128 6 23 86 40 3 -108 3 16 86 25 42 0 15 35 20 78 -22 - 99 48 11 86 27 37 -116 11 4 86 19 12 - 87 27 32 86 22 4 -127 56 14 86 0 10 -111 1 58 85 47 35 0 15 41 20 75 -21 -103 56 55 85 51 29 -117 57 56 85 39 42 - 93 5 18 85 49 54 -128 3 44 85 19 32 -113 28 37 85 8 35 0 15 47 20 73 -21 -107 16 59 85 14 9 -119 31 15 84 59 28 - 97 38 57 85 15 52 -128 22 54 84 38 9 -115 34 21 84 28 45 0 15 53 19 70 -20 -110 4 25 84 35 46 -120 56 1 84 18 28 -101 26 44 84 40 20 -128 50 21 83 55 55 -117 25 55 83 48 2 0 15 59 19 68 -20 -112 29 12 83 56 23 -122 15 15 83 36 39 -104 41 11 84 3 30 -129 24 9 83 12 46 -119 7 40 83 6 24 0 16 4 18 66 -19 -114 37 52 83 16 1 -123 30 57 82 53 54 -107 31 2 83 25 28 -130 3 5 82 28 34 -120 42 31 82 23 46 0 16 10 18 65 -19 -116 34 52 82 34 39 -124 44 29 82 10 8 -110 2 26 82 46 18 -130 46 26 81 43 12 -122 12 35 81 40 3 0 16 16 17 63 -18 -118 23 21 81 52 11 -125 56 53 81 25 13 -112 19 53 82 5 59 -131 33 49 80 56 32 -123 39 26 80 55 7 0 16 22 17 61 -18 -120 5 39 81 8 33 -127 8 58 80 39 1 -114 26 44 81 24 29 -132 25 0 80 8 21 -125 4 18 80 8 49 0 16 27 16 60 -17 -121 43 33 80 23 38 -128 21 28 79 51 20 -116 25 30 80 41 45 -133 20 2 79 18 26 -126 28 15 79 20 58 0 16 33 16 58 -16 -123 18 29 79 37 16 -129 35 1 79 1 58 -118 18 14 79 57 39 -134 19 6 78 26 28 -127 52 12 78 31 21 0 16 39 15 57 -16 -124 51 40 78 49 17 -130 50 20 78 10 37 -120 6 34 79 12 5 -135 22 34 77 32 6 -129 17 3 77 39 39 0 16 45 14 55 -15 -126 24 12 77 59 24 -132 8 8 77 16 56 -121 51 52 78 24 50 -136 31 2 76 34 48 -130 43 47 76 45 29 0 16 50 13 54 -14 -127 57 8 77 7 20 -133 29 20 76 20 25 -123 35 26 77 35 42 -137 45 29 75 33 51 -132 13 27 75 48 20 0 16 56 13 52 -13 -129 31 34 76 12 39 -134 55 4 75 20 24 -125 18 26 76 44 21 -139 7 23 74 28 11 -133 47 28 74 47 26 0 17 2 12 51 -12 -131 8 47 75 14 47 -136 26 57 74 15 54 -127 2 5 75 50 25 -140 39 8 73 16 9 -135 27 41 73 41 45 0 17 8 11 49 -11 -132 50 19 74 12 55 -138 7 23 73 5 25 -128 47 44 74 53 21 -142 25 6 71 54 46 -137 16 58 72 29 30 0 17 14 9 47 -10 -134 38 24 73 5 51 -140 0 29 71 46 19 -130 37 2 73 52 20 -144 34 37 70 17 48 -139 20 17 71 7 39 0 17 19 8 45 -8 -136 36 23 71 51 33 -142 14 29 70 13 17 -132 32 12 72 46 15 -147 37 18 68 5 31 -141 48 12 69 29 32 0 17 25 6 43 -7 -138 50 22 70 26 20 -145 12 40 68 11 23 -134 36 34 71 33 11 ... .. .. .. .. .. -145 15 28 67 13 15 0 17 31 4 40 -4 -141 34 24 68 41 33 ... .. .. .. .. .. -136 56 1 70 9 42 ... .. .. .. .. .. ... .. .. .. .. .. .. .. .. .. .. .. -145 48 37 66 0 0 ... .. .. .. .. .. -139 43 37 68 27 59 ... .. .. .. .. .. Data for the target star ------------------------ * name: TYC 1342-02271-1 * constellation : Gemini * J2000 position with proper motion to date of event [h,m,s ; °,',"] RA: 06 44 23.3802 DE: +21 03 24.443 * position source: mpos:UCAC2 pm:UCAC2 * standard error: RA,DE ["]: ( .018, .016 ) * V mag [mag]: 10.4 * B mag [mag]: 11.6 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (526) Jena approx. diameter [km]: 41 approx. diameter ["]: .032 distance from Earth [AU]: 1.76400 * orbital information: orbit source: Preston date of fit: 2008 Jan 02 source of used astrometry: FASTT TMO MPC (via Astdys) number of used observations: 1017 number of rejected observations: 102 time covered by the observations: 1904 Mar 15 - 2007 Dec 16 1 sigma uncertainty ellipse (major, minor, PA): 0.029, 0.019, 93° remarks: * orbital elements for (526) Jena : Mean anomaly = 333.64687300 deg Arg. of pericenter = 358.72617566 deg Long. of node = 137.92151176 deg Inclination = 2.17152224 deg Eccentricity = 0.13883220 Semimajor axis = 3.11839886 AU Perihelion dist = 2.68546468 AU Mag: H = 10.04, G = 0.15 Epoch of elements : MJD 54471.01000000 TDT (2008 Jan 06.010) ------ occelmnt file for Occult BEGIN ----------------------------------- 2008 Jan 06 526 Jena 0h 13.9m UT 10.4 6 44 23.380 21 3 24.44TYC 1342-02271-1 11.6 13.7 41 3.6 1.764 -2.251 4.20 -7.335 21.057 177.89 -22.59 0.2310 .12092 .90808 -6.32212 0.84228 0.00048 0.00017 2000 333.4661022008 1 5.00000358.726176137.921512 2.1715220.138832203.118398862.6854646810.15 0.15 RATE 1.7898080 .0000000 .0000000 .0000000 .00000000 .00000000 .00000000 Meas 0.034 0.025 92.2 1.780 0.025 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2008 Jan 02, 23:16 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 425-688-9965 mailto: stevepr@acm.org