Cora»OccDetail

Stellar Occultation by (91854) 1999 UA9 on 2025-09-30 (19:39:11 UT)

Event Details
Occultation UUID [and db] : 7a9b1470-ddb8-11f0-547e-92b7a7f7b23c [observed] Occultation Date + Time : 2025-09-30 at 19:39:11 UT +/- 0.01 min [1] Object Designation : (91854) 1999 UA9 Star Designation : GDR3 2476062218240795392 Star Coordinates (ICRF) : RA = 01 05 32.8342, DE = -06 59 49.278 [2] Star Magnitudes : G = 11.32 mag, RP = 10.86 mag, BP = 11.62 mag Object Magnitude : V = 18.87 mag Estimated Magnitude Drop : 7.6 mag Estimated Max. Duration : 0.3 sec Speed of the shadow : 11.6 km/s Object Mean Diameter : 3.5 km (src: astorb) => apparent = 3 mas Apparent Motion : 0.5367 arcs/min @ PA = 260 deg Horizontal Parallax : 4.9270 arcs Dynamical Class : MBA Elongation to Moon & Sun : 84° (sunlit = 58%), Sun = 166° Cross-track uncertainty : 1.7 mas = 2 km = 0.63 path-width (1-sig) RUWE and duplicate source : 1.09 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#41 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and db] : 7a9b1470-ddb8-11f0-547e-92b7a7f7b23c [observed] Occultation Date + Time : 2025-09-30 at 19:39:11 UT +/- 0.01 min [1] Object Designation : (91854) 1999 UA9 Star Designation : GDR3 2476062218240795392 Star Coordinates (ICRF) : RA = 01 05 32.8342, DE = -06 59 49.278 [2] Star Magnitudes : G = 11.32 mag, RP = 10.86 mag, BP = 11.62 mag Object Magnitude : V = 18.87 mag Estimated Magnitude Drop : 7.6 mag Estimated Max. Duration : 0.3 sec Speed of the shadow : 11.6 km/s Object Mean Diameter : 3.5 km (src: astorb) => apparent = 3 mas Apparent Motion : 0.5367 arcs/min @ PA = 260 deg Horizontal Parallax : 4.9270 arcs Dynamical Class : MBA Elongation to Moon & Sun : 84° (sunlit = 58%), Sun = 166° Cross-track uncertainty : 1.7 mas = 2 km = 0.63 path-width (1-sig) RUWE and duplicate source : 1.09 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#41 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

More Data and Informations

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Occultation Ground Track
------------------ Time[UT] \| Lat----CENTR----Lon \| Alt hh:mm:ss \| +DD.dddd +DDD.dddd \| deg ---------------------------------------------- 19:34:52 +68.2319 +128.8967 +05 236 -12 19:34:59 +66.9273 +121.4982 +08 229 -15 19:35:07 +65.9487 +116.3806 +10 224 -17 19:35:14 +65.1242 +112.2812 +12 220 -19 19:35:22 +64.3960 +108.7874 +14 217 -21 19:35:29 +63.7360 +105.7035 +15 214 -22 19:35:37 +63.1279 +102.9182 +16 211 -23 19:35:44 +62.5612 +100.3618 +17 209 -25 19:35:52 +62.0286 +097.9869 +18 207 -26 19:35:59 +61.5250 +095.7599 +19 204 -27 19:36:07 +61.0463 +093.6558 +20 202 -28 19:36:14 +60.5894 +091.6554 +21 200 -29 19:36:22 +60.1519 +089.7438 +21 198 -30 19:36:29 +59.7319 +087.9089 +22 197 -30 19:36:37 +59.3276 +086.1409 +23 195 -31 19:36:44 +58.9377 +084.4318 +23 193 -32 19:36:52 +58.5611 +082.7746 +24 191 -33 19:36:59 +58.1967 +081.1635 +24 190 -33 19:37:07 +57.8436 +079.5937 +25 188 -34 19:37:14 +57.5013 +078.0606 +25 186 -34 19:37:22 +57.1689 +076.5606 +26 185 -35 19:37:29 +56.8459 +075.0904 +26 183 -35 19:37:37 +56.5318 +073.6469 +26 182 -36 19:37:44 +56.2262 +072.2274 +27 180 -36 19:37:52 +55.9287 +070.8296 +27 179 -37 19:37:59 +55.6388 +069.4513 +27 177 -37 19:38:07 +55.3564 +068.0904 +28 176 -38 19:38:14 +55.0810 +066.7452 +28 174 -38 19:38:22 +54.8126 +065.4139 +28 173 -38 19:38:29 +54.5507 +064.0949 +28 171 -39 19:38:37 +54.2953 +062.7868 +28 170 -39 19:38:44 +54.0461 +061.4880 +28 168 -39 19:38:52 +53.8030 +060.1973 +28 167 -39 19:38:59 +53.5658 +058.9134 +28 165 -39 19:39:07 +53.3344 +057.6349 +28 164 -40 19:39:14 +53.1087 +056.3608 +28 163 -40 19:39:22 +52.8887 +055.0897 +28 161 -40 19:39:29 +52.6742 +053.8206 +28 160 -40 19:39:37 +52.4651 +052.5522 +28 158 -40 19:39:44 +52.2615 +051.2834 +28 157 -40 19:39:52 +52.0633 +050.0130 +28 156 -40 19:39:59 +51.8705 +048.7398 +28 154 -40 19:40:07 +51.6830 +047.4625 +28 153 -40 19:40:14 +51.5009 +046.1799 +28 151 -40 19:40:22 +51.3242 +044.8906 +27 150 -40 19:40:29 +51.1530 +043.5933 +27 149 -39 19:40:37 +50.9873 +042.2864 +27 147 -39 19:40:44 +50.8273 +040.9684 +26 146 -39 19:40:52 +50.6729 +039.6375 +26 144 -39 19:40:59 +50.5244 +038.2919 +26 143 -39 19:41:07 +50.3820 +036.9296 +25 142 -38 19:41:14 +50.2457 +035.5484 +25 140 -38 19:41:22 +50.1159 +034.1456 +24 139 -37 19:41:29 +49.9929 +032.7186 +24 137 -37 19:41:37 +49.8769 +031.2641 +23 136 -36 19:41:44 +49.7684 +029.7785 +23 135 -36 19:41:52 +49.6679 +028.2574 +22 133 -35 19:41:59 +49.5759 +026.6959 +22 132 -35 19:42:07 +49.4931 +025.0880 +21 130 -34 19:42:14 +49.4205 +023.4264 +20 129 -33 19:42:22 +49.3591 +021.7022 +19 127 -33 19:42:29 +49.3104 +019.9039 +18 126 -32 19:42:37 +49.2762 +018.0171 +17 124 -31 19:42:44 +49.2589 +016.0220 +16 122 -30 19:42:52 +49.2619 +013.8914 +15 120 -29 19:42:59 +49.2904 +011.5857 +14 119 -27 19:43:07 +49.3521 +009.0424 +12 116 -26 19:43:14 +49.4609 +006.1526 +11 114 -24 19:43:22 +49.6449 +002.6915 +08 111 -22 19:43:29 +49.9871 -002.0035 +06 108 -19 Longitude measured positiv to the East.

Occultation Ground Track

 ------------------ Time[UT] | Lat----CENTR----Lon | Alt hh:mm:ss | +DD.dddd  +DDD.dddd | deg ---------------------------------------------- 19:34:52   +68.2319  +128.8967   +05  236  -12 19:34:59   +66.9273  +121.4982   +08  229  -15 19:35:07   +65.9487  +116.3806   +10  224  -17 19:35:14   +65.1242  +112.2812   +12  220  -19 19:35:22   +64.3960  +108.7874   +14  217  -21 19:35:29   +63.7360  +105.7035   +15  214  -22 19:35:37   +63.1279  +102.9182   +16  211  -23 19:35:44   +62.5612  +100.3618   +17  209  -25 19:35:52   +62.0286  +097.9869   +18  207  -26 19:35:59   +61.5250  +095.7599   +19  204  -27 19:36:07   +61.0463  +093.6558   +20  202  -28 19:36:14   +60.5894  +091.6554   +21  200  -29 19:36:22   +60.1519  +089.7438   +21  198  -30 19:36:29   +59.7319  +087.9089   +22  197  -30 19:36:37   +59.3276  +086.1409   +23  195  -31 19:36:44   +58.9377  +084.4318   +23  193  -32 19:36:52   +58.5611  +082.7746   +24  191  -33 19:36:59   +58.1967  +081.1635   +24  190  -33 19:37:07   +57.8436  +079.5937   +25  188  -34 19:37:14   +57.5013  +078.0606   +25  186  -34 19:37:22   +57.1689  +076.5606   +26  185  -35 19:37:29   +56.8459  +075.0904   +26  183  -35 19:37:37   +56.5318  +073.6469   +26  182  -36 19:37:44   +56.2262  +072.2274   +27  180  -36 19:37:52   +55.9287  +070.8296   +27  179  -37 19:37:59   +55.6388  +069.4513   +27  177  -37 19:38:07   +55.3564  +068.0904   +28  176  -38 19:38:14   +55.0810  +066.7452   +28  174  -38 19:38:22   +54.8126  +065.4139   +28  173  -38 19:38:29   +54.5507  +064.0949   +28  171  -39 19:38:37   +54.2953  +062.7868   +28  170  -39 19:38:44   +54.0461  +061.4880   +28  168  -39 19:38:52   +53.8030  +060.1973   +28  167  -39 19:38:59   +53.5658  +058.9134   +28  165  -39 19:39:07   +53.3344  +057.6349   +28  164  -40 19:39:14   +53.1087  +056.3608   +28  163  -40 19:39:22   +52.8887  +055.0897   +28  161  -40 19:39:29   +52.6742  +053.8206   +28  160  -40 19:39:37   +52.4651  +052.5522   +28  158  -40 19:39:44   +52.2615  +051.2834   +28  157  -40 19:39:52   +52.0633  +050.0130   +28  156  -40 19:39:59   +51.8705  +048.7398   +28  154  -40 19:40:07   +51.6830  +047.4625   +28  153  -40 19:40:14   +51.5009  +046.1799   +28  151  -40 19:40:22   +51.3242  +044.8906   +27  150  -40 19:40:29   +51.1530  +043.5933   +27  149  -39 19:40:37   +50.9873  +042.2864   +27  147  -39 19:40:44   +50.8273  +040.9684   +26  146  -39 19:40:52   +50.6729  +039.6375   +26  144  -39 19:40:59   +50.5244  +038.2919   +26  143  -39 19:41:07   +50.3820  +036.9296   +25  142  -38 19:41:14   +50.2457  +035.5484   +25  140  -38 19:41:22   +50.1159  +034.1456   +24  139  -37 19:41:29   +49.9929  +032.7186   +24  137  -37 19:41:37   +49.8769  +031.2641   +23  136  -36 19:41:44   +49.7684  +029.7785   +23  135  -36 19:41:52   +49.6679  +028.2574   +22  133  -35 19:41:59   +49.5759  +026.6959   +22  132  -35 19:42:07   +49.4931  +025.0880   +21  130  -34 19:42:14   +49.4205  +023.4264   +20  129  -33 19:42:22   +49.3591  +021.7022   +19  127  -33 19:42:29   +49.3104  +019.9039   +18  126  -32 19:42:37   +49.2762  +018.0171   +17  124  -31 19:42:44   +49.2589  +016.0220   +16  122  -30 19:42:52   +49.2619  +013.8914   +15  120  -29 19:42:59   +49.2904  +011.5857   +14  119  -27 19:43:07   +49.3521  +009.0424   +12  116  -26 19:43:14   +49.4609  +006.1526   +11  114  -24 19:43:22   +49.6449  +002.6915   +08  111  -22 19:43:29   +49.9871  -002.0035   +06  108  -19

Longitude measured positiv to the East.

------------------------------------------------------------------------- Azm Sun | Lat----EDGE1----Lon | Lat----EDGE2----Lon deg deg | +DD.dddd +DDD.dddd | +DD.dddd +DDD.dddd --------------------------------------------- +68.1440 +128.5863 +68.3215 +129.2185 +66.8598 +121.3298 +66.9953 +121.6696 +65.8893 +116.2639 +66.0084 +116.4987 +65.0696 +112.1930 +65.1789 +112.3702 +64.3447 +108.7179 +64.4474 +108.8576 +63.6873 +105.6471 +63.7848 +105.7603 +63.0812 +102.8717 +63.1747 +102.9650 +62.5161 +100.3231 +62.6063 +100.4007 +61.9850 +097.9546 +62.0724 +098.0195 +61.4825 +095.7328 +61.5675 +095.7872 +61.0048 +093.6331 +61.0877 +093.6786 +60.5489 +091.6365 +60.6299 +091.6744 +60.1123 +089.7282 +60.1917 +089.7595 +59.6930 +087.8962 +59.7708 +087.9217 +59.2894 +086.1308 +59.3659 +086.1511 +58.9001 +084.4240 +58.9754 +084.4396 +58.5241 +082.7688 +58.5982 +082.7803 +58.1602 +081.1597 +58.2332 +081.1674 +57.8076 +079.5916 +57.8797 +079.5958 +57.4657 +078.0601 +57.5369 +078.0611 +57.1337 +076.5616 +57.2040 +076.5597 +56.8111 +075.0927 +56.8807 +075.0880 +56.4974 +073.6505 +56.5662 +073.6432 +56.1922 +072.2323 +56.2603 +072.2225 +55.8949 +070.8356 +55.9624 +070.8236 +55.6054 +069.4584 +55.6723 +069.4442 +55.3233 +068.0986 +55.3895 +068.0823 +55.0482 +066.7544 +55.1139 +066.7361 +54.7800 +065.4240 +54.8452 +065.4038 +54.5183 +064.1060 +54.5831 +064.0839 +54.2631 +062.7987 +54.3274 +062.7748 +54.0141 +061.5008 +54.0780 +061.4752 +53.7712 +060.2110 +53.8347 +060.1836 +53.5342 +058.9279 +53.5974 +058.8989 +53.3030 +057.6503 +53.3658 +057.6196 +53.0775 +056.3769 +53.1400 +056.3446 +52.8576 +055.1067 +52.9198 +055.0727 +52.6433 +053.8384 +52.7051 +053.8028 +52.4343 +052.5708 +52.4960 +052.5336 +52.2309 +051.3028 +52.2922 +051.2640 +52.0327 +050.0332 +52.0939 +049.9927 +51.8400 +048.7608 +51.9009 +048.7187 +51.6526 +047.4844 +51.7134 +047.4405 +51.4706 +046.2027 +51.5312 +046.1570 +51.2940 +044.9143 +51.3545 +044.8669 +51.1228 +043.6179 +51.1832 +043.5686 +50.9572 +042.3120 +51.0175 +042.2607 +50.7972 +040.9949 +50.8574 +040.9417 +50.6429 +039.6651 +50.7030 +039.6098 +50.4944 +038.3206 +50.5545 +038.2631 +50.3519 +036.9595 +50.4120 +036.8997 +50.2157 +035.5794 +50.2758 +035.5172 +50.0859 +034.1780 +50.1460 +034.1131 +49.9628 +032.7524 +50.0230 +032.6847 +49.8467 +031.2994 +49.9071 +031.2287 +49.7381 +029.8154 +49.7987 +029.7414 +49.6375 +028.2962 +49.6983 +028.2185 +49.5453 +026.7367 +49.6064 +026.6550 +49.4624 +025.1310 +49.5239 +025.0449 +49.3896 +023.4720 +49.4515 +023.3808 +49.3279 +021.7506 +49.3904 +021.6536 +49.2789 +019.9557 +49.3420 +019.8520 +49.2442 +018.0728 +49.3082 +017.9611 +49.2264 +016.0825 +49.2914 +015.9612 +49.2288 +013.9579 +49.2951 +013.8246 +49.2563 +011.6600 +49.3245 +011.5110 +49.3168 +009.1273 +49.3876 +008.9568 +49.4235 +006.2536 +49.4983 +006.0506 +49.6040 +002.8210 +49.6859 +002.5604 +49.9370 -001.7999 +50.0379 -002.2128 Azimuth (Azm) measured from North to East.

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CTU: Cross-track uncertainty (zero means: use the nominal prediction value, see event details below). Offsets and CTU all in mas.