IOTA/IOTA-ES occultation update for (907) Rhoda / UCAC2 47633267 event on 2012 Dec 14, 13:45 UT Visible from Russia Summary ------- On 2012 Dec 14 UT, the 75 km diameter asteroid (907) Rhoda will occult a 12.0 mag star in the constellation Auriga for observers along a path across Russia. In the case of an occultation, the combined light of the asteroid and the star will drop by 1.5 mag to 13.2 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, 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: 94 * date and approx. time of event: 2012 Dec 14, 13:36 - 2012 Dec 14, 13:54 UT * geocentric midpoint of event [JD]: 2456276.073125 * magnitude of target star: 12.0 * magnitude drop [mag]: 1.5 * estimated maximum duration [s]: 6.4 * Moon: 2 % sunlit, 152° distance * Sun: 153° distance * rough path description: Russia The occultation path -------------------- * approximate projected width [km]: 75 * 1 sigma uncertainty interval [path widths]: +/- 0.46 * 1 sigma uncertainty interval [seconds]: +/- 2.4 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- .037 +/- .029) * 1 sigma uncertainty ellipse (major, minor, PA): ( .037", .029", 84° ) * approx speed of asteroid's shadow [km/s]: 11.7663 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of UCAC2 47633267 by 907 Rhoda on 2012 Dec 14 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 -135 26 46 -27 0 0 13 36 19 1 326 -6 -134 59 12 -135 54 17 -134 33 49 -136 19 34 -136 11 33 -26 0 0 13 36 19 2 326 -7 -135 44 18 -136 38 47 -135 19 11 -137 3 48 -136 55 40 -25 0 0 13 36 19 3 327 -8 -136 28 41 -137 22 38 -136 3 50 -137 47 24 -137 39 10 -24 0 0 13 36 20 4 327 -9 -137 12 26 -138 5 52 -136 47 50 -138 30 24 -138 22 5 -23 0 0 13 36 21 6 327 -10 -137 55 36 -138 48 32 -137 31 13 -139 12 51 -139 4 28 -22 0 0 13 36 22 7 328 -11 -138 38 13 -139 30 42 -138 14 2 -139 54 49 -139 46 22 -21 0 0 13 36 24 8 328 -12 -139 20 20 -140 12 24 -138 56 21 -140 36 19 -140 27 50 -20 0 0 13 36 25 9 328 -13 -140 2 0 -140 53 40 -139 38 12 -141 17 25 -141 8 54 -19 0 0 13 36 27 10 328 -14 -140 43 14 -141 34 33 -140 19 37 -141 58 8 -141 49 37 -18 0 0 13 36 30 12 329 -16 -141 24 7 -142 15 6 -141 0 39 -142 38 32 -142 30 0 -17 0 0 13 36 32 13 329 -17 -142 4 39 -142 55 20 -141 41 20 -143 18 37 -143 10 6 -16 0 0 13 36 34 14 329 -18 -142 44 54 -143 35 17 -142 21 42 -143 58 27 -143 49 56 -15 0 0 13 36 37 15 329 -19 -143 24 52 -144 15 0 -143 1 48 -144 38 3 -144 29 34 -14 0 0 13 36 40 16 329 -20 -144 4 37 -144 54 30 -143 41 39 -145 17 28 -145 9 0 -13 0 0 13 36 43 17 329 -21 -144 44 9 -145 33 50 -144 21 18 -145 56 42 -145 48 16 -12 0 0 13 36 47 19 330 -22 -145 23 31 -146 13 2 -145 0 45 -146 35 48 -146 27 26 -11 0 0 13 36 51 20 330 -23 -146 2 46 -146 52 6 -145 40 4 -147 14 48 -147 6 29 -10 0 0 13 36 54 21 330 -24 -146 41 53 -147 31 5 -146 19 16 -147 53 43 -147 45 28 - 9 0 0 13 36 59 22 330 -25 -147 20 56 -148 10 1 -146 58 22 -148 32 36 -148 24 25 - 8 0 0 13 37 3 23 330 -26 -147 59 56 -148 48 54 -147 37 25 -149 11 27 -149 3 21 - 7 0 0 13 37 7 25 330 -27 -148 38 55 -149 27 48 -148 16 26 -149 50 19 -149 42 18 - 6 0 0 13 37 12 26 330 -28 -149 17 54 -150 6 44 -148 55 27 -150 29 13 -150 21 18 - 5 0 0 13 37 17 27 330 -29 -149 56 54 -150 45 42 -149 34 29 -151 8 10 -151 0 22 - 4 0 0 13 37 22 28 330 -30 -150 35 59 -151 24 46 -150 13 34 -151 47 14 -151 39 32 - 3 0 0 13 37 28 29 331 -31 -151 15 9 -152 3 56 -150 52 44 -152 26 24 -152 18 49 - 2 0 0 13 37 33 30 331 -32 -151 54 25 -152 43 14 -151 32 0 -153 5 43 -152 58 15 - 1 0 0 13 37 39 32 331 -33 -152 33 50 -153 22 42 -152 11 24 -153 45 12 -153 37 53 0 0 0 13 37 45 33 331 -34 -153 13 26 -154 2 21 -152 50 57 -154 24 53 -154 17 43 1 0 0 13 37 51 34 331 -35 -153 53 13 -154 42 14 -153 30 43 -155 4 48 Latitude Latitude Latitude Latitude -156 0 0 3 32 23 13 38 8 37 331 -38 4 8 45 2 55 56 4 42 9 2 22 19 -157 0 0 5 0 26 13 38 18 39 331 -40 5 36 33 4 24 15 6 9 43 3 50 52 -158 0 0 6 27 23 13 38 28 40 331 -41 7 3 14 5 51 28 7 36 9 5 18 20 -159 0 0 7 53 8 13 38 39 42 331 -42 8 28 42 7 17 29 9 1 22 6 44 38 -160 0 0 9 17 34 13 38 50 44 331 -44 9 52 51 8 42 13 10 25 16 8 9 38 -161 0 0 10 40 39 13 39 1 45 331 -45 11 15 38 10 5 36 11 47 46 9 33 18 -162 0 0 12 2 17 13 39 12 47 331 -47 12 36 57 11 27 33 13 8 48 10 55 31 -163 0 0 13 22 25 13 39 24 49 331 -48 13 56 46 12 47 59 14 28 20 12 16 16 -164 0 0 14 40 59 13 39 35 50 331 -49 15 15 1 14 6 53 15 46 18 13 35 28 -165 0 0 15 57 58 13 39 47 52 331 -51 16 31 41 15 24 12 17 2 39 14 53 4 -166 0 0 17 13 18 13 39 58 53 331 -52 17 46 42 16 39 52 18 17 22 16 9 3 -167 0 0 18 26 59 13 40 10 55 331 -53 19 0 3 17 53 53 19 30 25 17 23 23 -168 0 0 19 38 59 13 40 22 56 331 -54 20 11 43 19 6 13 20 41 46 18 36 2 -169 0 0 20 49 18 13 40 34 58 331 -55 21 21 41 20 16 52 21 51 26 19 46 59 -170 0 0 21 57 53 13 40 45 59 331 -56 22 29 57 21 25 48 22 59 24 20 56 13 -171 0 0 23 4 47 13 40 57 61 331 -57 23 36 30 22 33 1 24 5 39 22 3 45 -172 0 0 24 9 58 13 41 9 62 331 -58 24 41 21 23 38 32 25 10 11 23 9 35 -173 0 0 25 13 26 13 41 20 63 331 -59 25 44 30 24 42 21 26 13 2 24 13 42 -174 0 0 26 15 14 13 41 31 65 331 -60 26 45 57 25 44 28 27 14 12 25 16 8 -175 0 0 27 15 20 13 41 43 66 331 -61 27 45 45 26 44 54 28 13 41 26 16 52 -176 0 0 28 13 48 13 41 54 67 331 -62 28 43 52 27 43 41 29 11 31 27 15 57 -177 0 0 29 10 36 13 42 5 68 331 -63 29 40 22 28 40 49 30 7 43 28 13 22 -178 0 0 30 5 48 13 42 16 70 332 -63 30 35 15 29 36 20 31 2 19 29 9 11 -179 0 0 30 59 24 13 42 27 71 332 -64 31 28 33 30 30 15 31 55 19 30 3 23 -180 0 0 31 51 27 13 42 38 72 333 -65 32 20 16 31 22 35 32 46 46 30 56 1 179 0 0 32 41 56 13 42 48 73 333 -65 33 10 28 32 13 23 33 36 42 31 47 5 178 0 0 33 30 56 13 42 59 74 334 -66 33 59 10 33 2 40 34 25 7 32 36 39 177 0 0 34 18 26 13 43 9 75 335 -66 34 46 23 33 50 28 35 12 4 33 24 43 176 0 0 35 4 30 13 43 19 76 336 -67 35 32 9 34 36 49 35 57 34 34 11 19 175 0 0 35 49 8 13 43 29 77 337 -67 36 16 30 35 21 44 36 41 40 34 56 30 174 0 0 36 32 23 13 43 39 78 338 -67 36 59 29 36 5 15 37 24 24 35 40 17 173 0 0 37 14 17 13 43 48 79 340 -68 37 41 7 36 47 25 38 5 47 36 22 42 172 0 0 37 54 51 13 43 58 80 342 -68 38 21 25 37 28 15 38 45 51 37 3 46 171 0 0 38 34 7 13 44 7 80 345 -68 39 0 26 38 7 47 39 24 38 37 43 32 170 0 0 39 12 8 13 44 16 81 348 -68 39 38 12 38 46 3 40 2 10 38 22 2 169 0 0 39 48 55 13 44 26 82 352 -68 40 14 44 39 23 5 40 38 29 38 59 18 168 0 0 40 24 30 13 44 34 82 357 -68 40 50 5 39 58 54 41 13 36 39 35 20 167 0 0 40 58 55 13 44 43 83 2 -68 41 24 16 40 33 33 41 47 34 40 10 12 166 0 0 41 32 11 13 44 52 83 9 -68 41 57 18 41 7 3 42 20 24 40 43 54 165 0 0 42 4 21 13 45 0 84 16 -68 42 29 14 41 39 26 42 52 8 41 16 29 164 0 0 42 35 25 13 45 9 84 25 -68 43 0 6 42 10 43 43 22 48 41 47 58 163 0 0 43 5 26 13 45 17 84 33 -68 43 29 54 42 40 56 43 52 24 42 18 24 162 0 0 43 34 25 13 45 25 84 42 -68 43 58 41 43 10 8 44 21 0 42 47 46 161 0 0 44 2 24 13 45 33 84 50 -68 44 26 28 43 38 19 44 48 36 43 16 8 160 0 0 44 29 24 13 45 41 83 57 -68 44 53 17 44 5 30 45 15 14 43 43 30 159 0 0 44 55 27 13 45 48 83 64 -68 45 19 9 44 31 44 45 40 56 44 9 55 158 0 0 45 20 34 13 45 56 83 69 -67 45 44 5 44 57 2 46 5 42 44 35 23 157 0 0 45 44 47 13 46 3 82 73 -67 46 8 7 45 21 25 46 29 35 44 59 55 156 0 0 46 8 6 13 46 11 82 77 -67 46 31 16 45 44 55 46 52 35 45 23 35 155 0 0 46 30 34 13 46 18 81 80 -67 46 53 34 46 7 33 47 14 43 45 46 21 154 0 0 46 52 11 13 46 25 81 82 -66 47 15 2 46 29 19 47 36 2 46 8 17 153 0 0 47 12 59 13 46 32 80 84 -66 47 35 40 46 50 16 47 56 32 46 29 22 152 0 0 47 32 58 13 46 39 79 86 -66 47 55 31 47 10 25 48 16 15 46 49 39 151 0 0 47 52 11 13 46 46 79 87 -65 48 14 35 47 29 46 48 35 11 47 9 8 150 0 0 48 10 37 13 46 53 78 88 -65 48 32 53 47 48 20 48 53 21 47 27 50 149 0 0 48 28 18 13 46 59 78 89 -65 48 50 26 48 6 10 49 10 48 47 45 46 148 0 0 48 45 16 13 47 6 77 89 -64 49 7 16 48 23 15 49 27 30 48 2 58 147 0 0 49 1 30 13 47 12 76 90 -64 49 23 23 48 39 36 49 43 30 48 19 27 146 0 0 49 17 2 13 47 18 76 90 -64 49 38 48 48 55 15 49 58 49 48 35 12 145 0 0 49 31 52 13 47 25 75 90 -63 49 53 32 49 10 12 50 13 26 48 50 16 144 0 0 49 46 2 13 47 31 74 90 -63 50 7 35 49 24 29 50 27 24 49 4 38 143 0 0 49 59 33 13 47 37 74 91 -62 50 20 59 49 38 5 50 40 42 49 18 20 142 0 0 50 12 24 13 47 43 73 90 -62 50 33 44 49 51 2 50 53 22 49 31 23 141 0 0 50 24 37 13 47 49 73 90 -62 50 45 52 50 3 21 51 5 24 49 43 46 140 0 0 50 36 12 13 47 55 72 90 -61 50 57 21 50 15 1 51 16 49 49 55 32 139 0 0 50 47 10 13 48 1 71 90 -61 51 8 15 50 26 5 51 27 37 50 6 40 138 0 0 50 57 32 13 48 7 71 90 -60 51 18 31 50 36 31 51 37 50 50 17 11 137 0 0 51 7 17 13 48 12 70 90 -60 51 28 13 50 46 21 51 47 27 50 27 5 136 0 0 51 16 28 13 48 18 70 89 -59 51 37 19 50 55 36 51 56 29 50 36 24 135 0 0 51 25 3 13 48 23 69 89 -59 51 45 50 51 4 16 52 4 57 50 45 7 134 0 0 51 33 4 13 48 29 68 89 -59 51 53 48 51 12 20 52 12 51 50 53 15 133 0 0 51 40 31 13 48 34 68 88 -58 52 1 11 51 19 51 52 20 11 51 0 49 132 0 0 51 47 25 13 48 40 67 88 -58 52 8 2 51 26 48 52 26 59 51 7 49 131 0 0 51 53 45 13 48 45 67 87 -57 52 14 19 51 33 11 52 33 13 51 14 15 130 0 0 51 59 33 13 48 51 66 87 -57 52 20 3 51 39 1 52 38 55 51 20 7 129 0 0 52 4 47 13 48 56 65 86 -56 52 25 16 51 44 18 52 44 5 51 25 27 128 0 0 52 9 30 13 49 1 65 86 -56 52 29 56 51 49 3 52 48 44 51 30 13 127 0 0 52 13 40 13 49 6 64 85 -55 52 34 4 51 53 15 52 52 50 51 34 27 126 0 0 52 17 19 13 49 11 64 85 -55 52 37 41 51 56 55 52 56 25 51 38 9 125 0 0 52 20 25 13 49 17 63 84 -55 52 40 47 52 0 4 52 59 29 51 41 19 124 0 0 52 23 1 13 49 22 62 84 -54 52 43 21 52 2 40 53 2 2 51 43 56 123 0 0 52 25 5 13 49 27 62 83 -54 52 45 23 52 4 45 53 4 4 51 46 2 122 0 0 52 26 37 13 49 32 61 82 -53 52 46 55 52 6 18 53 5 36 51 47 36 121 0 0 52 27 39 13 49 37 61 82 -53 52 47 56 52 7 20 53 6 36 51 48 38 120 0 0 52 28 9 13 49 42 60 81 -52 52 48 26 52 7 50 53 7 6 51 49 9 119 0 0 52 28 8 13 49 47 59 81 -52 52 48 25 52 7 49 53 7 5 51 49 8 118 0 0 52 27 36 13 49 51 59 80 -51 52 47 53 52 7 17 53 6 33 51 48 35 117 0 0 52 26 32 13 49 56 58 79 -51 52 46 51 52 6 13 53 5 31 51 47 31 116 0 0 52 24 58 13 50 1 58 79 -50 52 45 17 52 4 38 53 3 58 51 45 55 115 0 0 52 22 52 13 50 6 57 78 -50 52 43 12 52 2 31 53 1 54 51 43 47 114 0 0 52 20 14 13 50 11 57 77 -49 52 40 35 51 59 52 52 59 18 51 41 7 113 0 0 52 17 5 13 50 16 56 77 -49 52 37 28 51 56 41 52 56 12 51 37 55 112 0 0 52 13 24 13 50 20 55 76 -48 52 33 48 51 52 58 52 52 35 51 34 10 111 0 0 52 9 11 13 50 25 55 76 -48 52 29 37 51 48 43 52 48 25 51 29 53 110 0 0 52 4 25 13 50 30 54 75 -47 52 24 54 51 43 55 52 43 44 51 25 3 109 0 0 51 59 7 13 50 34 54 74 -47 52 19 39 51 38 35 52 38 31 51 19 41 108 0 0 51 53 16 13 50 39 53 74 -46 52 13 51 51 32 41 52 32 46 51 13 44 107 0 0 51 46 52 13 50 44 52 73 -46 52 7 30 51 26 14 52 26 27 51 7 14 106 0 0 51 39 55 13 50 48 52 72 -45 52 0 35 51 19 13 52 19 36 51 0 10 105 0 0 51 32 23 13 50 53 51 71 -45 51 53 7 51 11 38 52 12 11 50 52 32 104 0 0 51 24 17 13 50 58 50 71 -44 51 45 5 51 3 28 52 4 13 50 44 18 103 0 0 51 15 36 13 51 2 50 70 -44 51 36 28 50 54 43 51 55 40 50 35 29 102 0 0 51 6 19 13 51 7 49 69 -43 51 27 16 50 45 22 51 46 32 50 26 4 101 0 0 50 56 27 13 51 12 49 69 -43 51 17 29 50 35 25 51 36 48 50 16 3 100 0 0 50 45 58 13 51 16 48 68 -42 51 7 5 50 24 51 51 26 29 50 5 25 99 0 0 50 34 52 13 51 21 47 67 -42 50 56 4 50 13 40 51 15 33 49 54 9 98 0 0 50 23 9 13 51 25 47 67 -41 50 44 26 50 1 51 51 4 0 49 42 14 97 0 0 50 10 47 13 51 30 46 66 -41 50 32 10 49 49 23 50 51 49 49 29 41 96 0 0 49 57 45 13 51 34 45 65 -40 50 19 15 49 36 15 50 39 0 49 16 28 95 0 0 49 44 4 13 51 39 45 65 -39 50 5 40 49 22 28 50 25 31 49 2 34 94 0 0 49 29 42 13 51 43 44 64 -39 49 51 25 49 7 59 50 11 22 48 47 59 93 0 0 49 14 39 13 51 48 43 63 -38 49 36 28 48 52 48 49 56 32 48 32 42 92 0 0 48 58 53 13 51 52 43 63 -38 49 20 49 48 36 55 49 41 0 48 16 42 91 0 0 48 42 23 13 51 57 42 62 -37 49 4 27 48 20 18 49 24 45 47 59 57 90 0 0 48 25 9 13 52 1 41 61 -36 48 47 21 48 2 56 49 7 47 47 42 28 89 0 0 48 7 10 13 52 6 41 61 -36 48 29 30 47 44 48 48 50 3 47 24 12 88 0 0 47 48 23 13 52 10 40 60 -35 48 10 53 47 25 53 48 31 34 47 5 10 87 0 0 47 28 50 13 52 15 39 59 -34 47 51 28 47 6 10 48 12 17 46 45 18 86 0 0 47 8 27 13 52 19 38 59 -34 47 31 15 46 45 38 47 52 13 46 24 38 85 0 0 46 47 14 13 52 24 38 58 -33 47 10 12 46 24 15 47 31 18 46 3 6 84 0 0 46 25 10 13 52 28 37 57 -32 46 48 18 46 2 1 47 9 34 45 40 42 83 0 0 46 2 13 13 52 33 36 57 -32 46 25 31 45 38 53 46 46 57 45 17 25 82 0 0 45 38 21 13 52 37 35 56 -31 46 1 51 45 14 51 46 23 26 44 53 13 81 0 0 45 13 34 13 52 41 34 55 -30 45 37 15 44 49 53 45 59 0 44 28 4 80 0 0 44 47 50 13 52 46 34 55 -30 45 11 42 44 23 57 45 33 38 44 1 57 79 0 0 44 21 7 13 52 50 33 54 -29 44 45 11 43 57 1 45 7 18 43 34 51 78 0 0 43 53 23 13 52 54 32 53 -28 44 17 39 43 29 5 44 39 58 43 6 43 77 0 0 43 24 37 13 52 59 31 53 -27 43 49 6 43 0 6 44 11 37 42 37 32 76 0 0 42 54 47 13 53 3 30 52 -27 43 19 30 42 30 3 43 42 13 42 7 16 75 0 0 42 23 51 13 53 7 29 51 -26 42 48 47 41 58 53 43 11 43 41 35 54 74 0 0 41 51 47 13 53 11 28 51 -25 42 16 58 41 26 35 42 40 6 41 3 23 73 0 0 41 18 34 13 53 15 28 50 -24 41 43 59 40 53 7 42 7 21 40 29 41 72 0 0 40 44 9 13 53 20 27 49 -23 41 9 49 40 18 27 41 33 24 39 54 47 71 0 0 40 8 29 13 53 24 26 49 -23 40 34 25 39 42 32 40 58 15 39 18 38 70 0 0 39 31 34 13 53 27 25 48 -22 39 57 45 39 5 21 40 21 50 38 41 12 69 0 0 38 53 20 13 53 31 24 48 -21 39 19 48 38 26 50 39 44 8 38 2 26 68 0 0 38 13 46 13 53 35 23 47 -20 38 40 31 37 46 59 39 5 6 37 22 19 67 0 0 37 32 49 13 53 39 22 46 -19 37 59 51 37 5 44 38 24 42 36 40 48 66 0 0 36 50 26 13 53 43 21 46 -18 37 17 46 36 23 4 37 42 53 35 57 51 65 0 0 36 6 35 13 53 46 19 45 -17 36 34 14 35 38 55 36 59 38 35 13 25 64 0 0 35 21 15 13 53 49 18 45 -16 35 49 12 34 53 15 36 14 54 34 27 28 63 0 0 34 34 22 13 53 53 17 44 -15 35 2 38 34 6 3 35 28 37 33 39 58 62 0 0 33 45 53 13 53 56 16 44 -14 34 14 29 33 17 14 34 40 47 32 50 51 61 0 0 32 55 47 13 53 59 15 43 -13 33 24 44 32 26 48 33 51 19 32 0 6 60 0 0 32 4 0 13 54 2 14 43 -12 32 33 18 31 34 40 33 0 13 31 7 39 59 0 0 31 10 31 13 54 4 13 42 -11 31 40 10 30 40 50 32 7 24 30 13 29 58 0 0 30 15 17 13 54 7 11 42 -10 30 45 17 29 45 14 31 12 51 29 17 33 57 0 0 29 18 15 13 54 9 10 41 -8 29 48 38 28 47 50 30 16 32 28 19 48 56 0 0 28 19 24 13 54 11 9 41 -7 28 50 9 27 48 36 29 18 24 27 20 13 55 0 0 27 18 40 13 54 13 7 40 -6 27 49 48 26 47 29 28 18 24 26 18 45 54 0 0 26 16 3 13 54 15 6 40 -5 26 47 34 25 44 28 27 16 32 25 15 22 53 0 0 25 11 30 13 54 16 5 39 -4 25 43 25 24 39 31 26 12 44 24 10 3 52 0 0 24 4 59 13 54 17 3 39 -2 24 37 18 23 32 36 25 6 59 23 2 45 51 0 0 22 56 29 13 54 17 2 38 -1 23 29 13 22 23 42 23 59 16 21 53 29 Uncertainty in time = +/- 3 secs Prediction of 2012 Dec 3.0 Data for the target star ------------------------ * name: UCAC2 47633267 * constellation : Auriga * J2000 position with proper motion to date of event [h,m,s ; °,',"] RA: 06 27 38.2846 DE: +47 10 45.188 * position source: mpos:UCAC2 pm:UCAC2 * standard error: RA,DE ["]: ( .023, .025 ) * V mag [mag]: 12.0 * B mag [mag]: 0.0 * Diameter [mas]: 0 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (907) Rhoda approx. diameter [km]: 75 approx. diameter ["]: .069 distance from Earth [AU]: 1.50400 * orbital information: orbit source: Preston date of fit: 2012 Nov 29 source of used astrometry: FASTT TMO MPC (via Astdys) number of used observations: 916 number of rejected observations: 52 time covered by the observations: 1918 Nov 13 - 2012 Nov 29 1 sigma uncertainty ellipse (major, minor, PA): 0.029, 0.016, 81° remarks: * orbital elements for (907) Rhoda : Mean anomaly = 331.73337592 deg Arg. of pericenter = 87.37694070 deg Long. of node = 43.14363080 deg Inclination = 19.56408367 deg Eccentricity = 0.16133644 Semimajor axis = 2.80128202 AU Perihelion dist = 2.34933314 AU Mag: H = 9.63, G = 0.15 Epoch of elements : MJD 56275.57300000 TDT (2012 Dec 14.573) ------ occelmnt file for Occult BEGIN ----------------------------------- 2012 Dec 14 907 Rhoda 13h 45.3m UT 12.0 6 27 38.285 47 10 45.19UCAC2 47633267 0.0 13.2 75 6.4 1.504 -3.013 23.77 166.9501 47.172 -27.60 -23.25 13.7550 -0.05536 -0.07160 -5.25033 4.06693 -0.00135 -0.00224 2000 330.561834201212 9.00000 87.376941 43.143631 19.5640840.16133644 2.8012820 2.3493332 9.8 5.00.15 RATE 2.1021750 0.000000 0.000000 0.000000 0.0000000 0.0000000 0.0000000 Meas 0.037 0.029 84 1.46 0.032 0 0-4-2 056264.0020121214_633267 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2012 Nov 29, 23:20 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 425-688-9965 mailto: stevepr@acm.org