Cora»OccDetail

Stellar Occultation by (24656) 1987 QT7 on 2024-06-29 (20:55:17 UT)

Event Details
Occultation UUID [and db] : ea67fa60-ddb4-11f0-547e-71bcff9bcaa8 [observed] Occultation Date + Time : 2024-06-29 at 20:55:17 UT +/- 0.01 min [1] Object Designation : (24656) 1987 QT7 Star Designation : GDR3 4095389172320163200 Star Coordinates (ICRF) : RA = 18 07 06.4087, DE = -18 36 49.483 [2] Star Magnitudes : G = 10.97 mag, RP = 10.49 mag, BP = 11.27 mag Object Magnitude : V = 18.02 mag Estimated Magnitude Drop : 7.1 mag Estimated Max. Duration : 0.3 sec Speed of the shadow : 9.8 km/s Object Mean Diameter : 3.0 km (src: astorb) => apparent = 3 mas Apparent Motion : 0.6167 arcs/min @ PA = 268 deg Horizontal Parallax : 6.7150 arcs Dynamical Class : MBA Elongation to Moon & Sun : 109° (sunlit = 39%), Sun = 172° Cross-track uncertainty : 0.3 mas = 0 km = 0.09 path-width (1-sig) RUWE and duplicate source : 0.85 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#55 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

 Occultation UUID [and db] : ea67fa60-ddb4-11f0-547e-71bcff9bcaa8 [observed]

 Occultation Date + Time   : 2024-06-29 at 20:55:17 UT +/- 0.01 min  [1]
 Object Designation        : (24656) 1987 QT7
 Star Designation          : GDR3 4095389172320163200
 Star Coordinates (ICRF)   : RA = 18 07 06.4087, DE = -18 36 49.483  [2]
 Star Magnitudes           : G = 10.97 mag, RP = 10.49 mag, BP = 11.27 mag
 Object Magnitude          : V = 18.02 mag
 Estimated Magnitude Drop  : 7.1 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 9.8 km/s
 Object Mean Diameter      : 3.0 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.6167 arcs/min @ PA = 268 deg
 Horizontal Parallax       : 6.7150 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 109° (sunlit = 39%), Sun = 172°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.09 path-width (1-sig)
 RUWE and duplicate source : 0.85 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#55
 Note                      : FP:true

 
 [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

More Data and Informations

SiMDA \| 3D Asteroid Catalogue \| Johnston Archive \| Star at CDS (Vizier) \| JPL Small-Body Node \| Minor Planet Center \| Wikipedia

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Occultation Ground Track
Time[UT] \| Lat----CENTR----Lon \| Alt hh:mm:ss \| +DD.dddd +DDD.dddd \| deg ---------------------------------------------- 20:49:52 +54.0682 +091.7811 +05 228 -04 20:50:00 +52.5803 +087.8048 +08 224 -07 20:50:07 +51.5197 +084.8810 +10 222 -09 20:50:15 +50.6643 +082.4527 +12 220 -10 20:50:22 +49.9367 +080.3267 +13 218 -12 20:50:30 +49.2987 +078.4087 +14 217 -13 20:50:37 +48.7282 +076.6446 +15 215 -14 20:50:45 +48.2112 +074.9997 +16 214 -15 20:50:52 +47.7380 +073.4505 +17 213 -16 20:51:00 +47.3015 +071.9799 +18 211 -16 20:51:07 +46.8966 +070.5752 +19 210 -17 20:51:15 +46.5191 +069.2267 +20 209 -18 20:51:22 +46.1659 +067.9267 +21 208 -18 20:51:30 +45.8344 +066.6690 +21 207 -19 20:51:37 +45.5225 +065.4485 +22 206 -20 20:51:45 +45.2284 +064.2608 +23 205 -20 20:51:52 +44.9506 +063.1025 +23 203 -20 20:52:00 +44.6879 +061.9705 +24 202 -21 20:52:07 +44.4393 +060.8622 +24 201 -21 20:52:15 +44.2037 +059.7753 +25 200 -22 20:52:22 +43.9803 +058.7077 +25 199 -22 20:52:30 +43.7685 +057.6578 +26 198 -22 20:52:37 +43.5677 +056.6238 +26 197 -23 20:52:45 +43.3772 +055.6045 +26 196 -23 20:52:52 +43.1966 +054.5985 +27 195 -23 20:53:00 +43.0255 +053.6047 +27 194 -24 20:53:07 +42.8634 +052.6220 +27 193 -24 20:53:15 +42.7100 +051.6495 +28 192 -24 20:53:22 +42.5650 +050.6863 +28 191 -24 20:53:30 +42.4282 +049.7315 +28 191 -24 20:53:37 +42.2992 +048.7844 +29 190 -25 20:53:45 +42.1778 +047.8443 +29 189 -25 20:53:52 +42.0639 +046.9105 +29 188 -25 20:54:00 +41.9573 +045.9824 +29 187 -25 20:54:07 +41.8578 +045.0594 +29 186 -25 20:54:15 +41.7652 +044.1408 +29 185 -25 20:54:22 +41.6795 +043.2262 +30 184 -25 20:54:30 +41.6006 +042.3151 +30 183 -25 20:54:37 +41.5282 +041.4069 +30 182 -25 20:54:45 +41.4624 +040.5011 +30 181 -25 20:54:52 +41.4031 +039.5972 +30 180 -25 20:55:00 +41.3503 +038.6948 +30 179 -25 20:55:07 +41.3038 +037.7935 +30 178 -25 20:55:15 +41.2637 +036.8927 +30 177 -25 20:55:22 +41.2299 +035.9921 +30 176 -25 20:55:30 +41.2025 +035.0910 +30 175 -25 20:55:37 +41.1814 +034.1892 +30 174 -25 20:55:45 +41.1667 +033.2862 +30 173 -24 20:55:52 +41.1583 +032.3814 +30 172 -24 20:56:00 +41.1564 +031.4745 +30 171 -24 20:56:07 +41.1610 +030.5648 +30 170 -24 20:56:15 +41.1721 +029.6520 +30 169 -24 20:56:22 +41.1898 +028.7356 +29 169 -23 20:56:30 +41.2143 +027.8149 +29 168 -23 20:56:37 +41.2456 +026.8895 +29 167 -23 20:56:45 +41.2838 +025.9587 +29 166 -23 20:56:52 +41.3291 +025.0220 +29 165 -22 20:57:00 +41.3817 +024.0788 +28 164 -22 20:57:07 +41.4418 +023.1282 +28 163 -22 20:57:15 +41.5095 +022.1697 +28 162 -21 20:57:22 +41.5851 +021.2024 +28 161 -21 20:57:30 +41.6688 +020.2255 +27 160 -21 20:57:37 +41.7610 +019.2381 +27 159 -20 20:57:45 +41.8619 +018.2392 +27 158 -20 20:57:52 +41.9719 +017.2277 +26 157 -19 20:58:00 +42.0915 +016.2025 +26 156 -19 20:58:07 +42.2211 +015.1622 +25 155 -19 20:58:15 +42.3612 +014.1054 +25 154 -18 20:58:22 +42.5125 +013.0304 +24 153 -17 20:58:30 +42.6756 +011.9355 +24 152 -17 20:58:37 +42.8513 +010.8184 +23 151 -16 20:58:45 +43.0405 +009.6769 +23 150 -16 20:58:52 +43.2442 +008.5082 +22 149 -15 20:59:00 +43.4638 +007.3090 +22 148 -14 20:59:07 +43.7007 +006.0756 +21 147 -14 20:59:15 +43.9566 +004.8035 +20 146 -13 20:59:22 +44.2337 +003.4871 +19 145 -12 20:59:30 +44.5345 +002.1198 +19 144 -11 20:59:37 +44.8624 +000.6931 +18 142 -10 20:59:45 +45.2217 -000.8039 +17 141 -09 20:59:52 +45.6177 -002.3853 +16 140 -08 21:00:00 +46.0582 -004.0706 +15 139 -07 21:00:07 +46.5538 -005.8878 +14 137 -06 21:00:15 +47.1208 -007.8790 +12 136 -05 21:00:22 +47.7861 -010.1138 +11 134 -03 21:00:30 +48.5999 -012.7237 +09 132 -01 21:00:37 +49.6818 -016.0234 +07 129 +01 21:00:45 +51.5984 -021.5117 +03 125 +05 Longitude measured positiv to the East.

Occultation Ground Track

 Time[UT] | Lat----CENTR----Lon | Alt hh:mm:ss | +DD.dddd  +DDD.dddd | deg ---------------------------------------------- 20:49:52   +54.0682  +091.7811   +05  228  -04 20:50:00   +52.5803  +087.8048   +08  224  -07 20:50:07   +51.5197  +084.8810   +10  222  -09 20:50:15   +50.6643  +082.4527   +12  220  -10 20:50:22   +49.9367  +080.3267   +13  218  -12 20:50:30   +49.2987  +078.4087   +14  217  -13 20:50:37   +48.7282  +076.6446   +15  215  -14 20:50:45   +48.2112  +074.9997   +16  214  -15 20:50:52   +47.7380  +073.4505   +17  213  -16 20:51:00   +47.3015  +071.9799   +18  211  -16 20:51:07   +46.8966  +070.5752   +19  210  -17 20:51:15   +46.5191  +069.2267   +20  209  -18 20:51:22   +46.1659  +067.9267   +21  208  -18 20:51:30   +45.8344  +066.6690   +21  207  -19 20:51:37   +45.5225  +065.4485   +22  206  -20 20:51:45   +45.2284  +064.2608   +23  205  -20 20:51:52   +44.9506  +063.1025   +23  203  -20 20:52:00   +44.6879  +061.9705   +24  202  -21 20:52:07   +44.4393  +060.8622   +24  201  -21 20:52:15   +44.2037  +059.7753   +25  200  -22 20:52:22   +43.9803  +058.7077   +25  199  -22 20:52:30   +43.7685  +057.6578   +26  198  -22 20:52:37   +43.5677  +056.6238   +26  197  -23 20:52:45   +43.3772  +055.6045   +26  196  -23 20:52:52   +43.1966  +054.5985   +27  195  -23 20:53:00   +43.0255  +053.6047   +27  194  -24 20:53:07   +42.8634  +052.6220   +27  193  -24 20:53:15   +42.7100  +051.6495   +28  192  -24 20:53:22   +42.5650  +050.6863   +28  191  -24 20:53:30   +42.4282  +049.7315   +28  191  -24 20:53:37   +42.2992  +048.7844   +29  190  -25 20:53:45   +42.1778  +047.8443   +29  189  -25 20:53:52   +42.0639  +046.9105   +29  188  -25 20:54:00   +41.9573  +045.9824   +29  187  -25 20:54:07   +41.8578  +045.0594   +29  186  -25 20:54:15   +41.7652  +044.1408   +29  185  -25 20:54:22   +41.6795  +043.2262   +30  184  -25 20:54:30   +41.6006  +042.3151   +30  183  -25 20:54:37   +41.5282  +041.4069   +30  182  -25 20:54:45   +41.4624  +040.5011   +30  181  -25 20:54:52   +41.4031  +039.5972   +30  180  -25 20:55:00   +41.3503  +038.6948   +30  179  -25 20:55:07   +41.3038  +037.7935   +30  178  -25 20:55:15   +41.2637  +036.8927   +30  177  -25 20:55:22   +41.2299  +035.9921   +30  176  -25 20:55:30   +41.2025  +035.0910   +30  175  -25 20:55:37   +41.1814  +034.1892   +30  174  -25 20:55:45   +41.1667  +033.2862   +30  173  -24 20:55:52   +41.1583  +032.3814   +30  172  -24 20:56:00   +41.1564  +031.4745   +30  171  -24 20:56:07   +41.1610  +030.5648   +30  170  -24 20:56:15   +41.1721  +029.6520   +30  169  -24 20:56:22   +41.1898  +028.7356   +29  169  -23 20:56:30   +41.2143  +027.8149   +29  168  -23 20:56:37   +41.2456  +026.8895   +29  167  -23 20:56:45   +41.2838  +025.9587   +29  166  -23 20:56:52   +41.3291  +025.0220   +29  165  -22 20:57:00   +41.3817  +024.0788   +28  164  -22 20:57:07   +41.4418  +023.1282   +28  163  -22 20:57:15   +41.5095  +022.1697   +28  162  -21 20:57:22   +41.5851  +021.2024   +28  161  -21 20:57:30   +41.6688  +020.2255   +27  160  -21 20:57:37   +41.7610  +019.2381   +27  159  -20 20:57:45   +41.8619  +018.2392   +27  158  -20 20:57:52   +41.9719  +017.2277   +26  157  -19 20:58:00   +42.0915  +016.2025   +26  156  -19 20:58:07   +42.2211  +015.1622   +25  155  -19 20:58:15   +42.3612  +014.1054   +25  154  -18 20:58:22   +42.5125  +013.0304   +24  153  -17 20:58:30   +42.6756  +011.9355   +24  152  -17 20:58:37   +42.8513  +010.8184   +23  151  -16 20:58:45   +43.0405  +009.6769   +23  150  -16 20:58:52   +43.2442  +008.5082   +22  149  -15 20:59:00   +43.4638  +007.3090   +22  148  -14 20:59:07   +43.7007  +006.0756   +21  147  -14 20:59:15   +43.9566  +004.8035   +20  146  -13 20:59:22   +44.2337  +003.4871   +19  145  -12 20:59:30   +44.5345  +002.1198   +19  144  -11 20:59:37   +44.8624  +000.6931   +18  142  -10 20:59:45   +45.2217  -000.8039   +17  141  -09 20:59:52   +45.6177  -002.3853   +16  140  -08 21:00:00   +46.0582  -004.0706   +15  139  -07 21:00:07   +46.5538  -005.8878   +14  137  -06 21:00:15   +47.1208  -007.8790   +12  136  -05 21:00:22   +47.7861  -010.1138   +11  134  -03 21:00:30   +48.5999  -012.7237   +09  132  -01 21:00:37   +49.6818  -016.0234   +07  129  +01 21:00:45   +51.5984  -021.5117   +03  125  +05

Longitude measured positiv to the East.

------------------------------------------------------------------------------------------- Azm Sun | Lat----EDGE1----Lon | Lat----EDGE2----Lon deg deg | +DD.dddd +DDD.dddd | +DD.dddd +DDD.dddd --------------------------------------------- +53.9809 +091.6357 +54.1572 +091.9307 +52.5169 +087.7181 +52.6443 +087.8927 +51.4658 +084.8172 +51.5739 +084.9455 +50.6159 +082.4017 +50.7130 +082.5041 +49.8919 +080.2842 +49.9816 +080.3695 +49.2566 +078.3723 +49.3409 +078.4454 +48.6882 +076.6128 +48.7684 +076.6766 +48.1728 +074.9716 +48.2497 +075.0280 +47.7009 +073.4254 +47.7751 +073.4757 +47.2656 +071.9573 +47.3375 +072.0025 +46.8616 +070.5548 +46.9316 +070.5957 +46.4850 +069.2081 +46.5532 +069.2454 +46.1325 +067.9098 +46.1993 +067.9438 +45.8017 +066.6535 +45.8671 +066.6846 +45.4903 +065.4342 +45.5546 +065.4627 +45.1967 +064.2477 +45.2600 +064.2740 +44.9194 +063.0905 +44.9818 +063.1146 +44.6572 +061.9595 +44.7187 +061.9817 +44.4089 +060.8520 +44.4696 +060.8725 +44.1737 +059.7659 +44.2337 +059.7847 +43.9506 +058.6991 +44.0100 +058.7164 +43.7392 +057.6498 +43.7980 +057.6657 +43.5386 +056.6165 +43.5968 +056.6311 +43.3483 +055.5978 +43.4061 +055.6112 +43.1680 +054.5924 +43.2253 +054.6046 +42.9970 +053.5992 +43.0539 +053.6102 +42.8351 +052.6170 +42.8917 +052.6270 +42.6819 +051.6450 +42.7381 +051.6540 +42.5371 +050.6823 +42.5930 +050.6903 +42.4004 +049.7280 +42.4560 +049.7350 +42.2716 +048.7813 +42.3268 +048.7875 +42.1504 +047.8417 +42.2054 +047.8470 +42.0366 +046.9083 +42.0913 +046.9128 +41.9300 +045.9806 +41.9846 +045.9843 +41.8306 +045.0579 +41.8850 +045.0608 +41.7382 +044.1398 +41.7924 +044.1419 +41.6525 +043.2256 +41.7066 +043.2269 +41.5736 +042.3148 +41.6275 +042.3154 +41.5013 +041.4069 +41.5551 +041.4068 +41.4356 +040.5015 +41.4893 +040.5006 +41.3763 +039.5980 +41.4299 +039.5964 +41.3235 +038.6960 +41.3770 +038.6937 +41.2770 +037.7950 +41.3305 +037.7920 +41.2370 +036.8946 +41.2904 +036.8909 +41.2032 +035.9943 +41.2566 +035.9899 +41.1758 +035.0936 +41.2292 +035.0885 +41.1547 +034.1921 +41.2081 +034.1863 +41.1399 +033.2894 +41.1934 +033.2829 +41.1316 +032.3850 +41.1851 +032.3778 +41.1296 +031.4784 +41.1832 +031.4705 +41.1342 +030.5692 +41.1878 +030.5605 +41.1452 +029.6568 +41.1989 +029.6473 +41.1629 +028.7407 +41.2167 +028.7305 +41.1873 +027.8204 +41.2412 +027.8094 +41.2185 +026.8954 +41.2726 +026.8836 +41.2567 +025.9651 +41.3109 +025.9524 +41.3020 +025.0288 +41.3563 +025.0153 +41.3545 +024.0859 +41.4090 +024.0715 +41.4144 +023.1359 +41.4692 +023.1205 +41.4820 +022.1778 +41.5370 +022.1615 +41.5574 +021.2110 +41.6127 +021.1938 +41.6410 +020.2346 +41.6966 +020.2163 +41.7330 +019.2478 +41.7889 +019.2284 +41.8337 +018.2495 +41.8900 +018.2289 +41.9436 +017.2386 +42.0003 +017.2168 +42.0630 +016.2140 +42.1201 +016.1910 +42.1923 +015.1744 +42.2499 +015.1500 +42.3322 +014.1183 +42.3903 +014.0924 +42.4832 +013.0441 +42.5418 +013.0167 +42.6459 +011.9500 +42.7052 +011.9209 +42.8213 +010.8339 +42.8813 +010.8029 +43.0101 +009.6934 +43.0709 +009.6604 +43.2135 +008.5258 +43.2751 +008.4905 +43.4326 +007.3278 +43.4951 +007.2902 +43.6689 +006.0958 +43.7326 +006.0554 +43.9242 +004.8251 +43.9891 +004.7817 +44.2006 +003.5105 +44.2668 +003.4636 +44.5006 +002.1451 +44.5685 +002.0943 +44.8276 +000.7207 +44.8973 +000.6653 +45.1857 -000.7735 +45.2577 -000.8344 +45.5804 -002.3516 +45.6551 -002.4191 +46.0192 -004.0329 +46.0972 -004.1086 +46.5127 -005.8448 +46.5949 -005.9310 +47.0770 -007.8289 +47.1649 -007.9294 +47.7382 -010.0536 +47.8343 -010.1746 +48.5454 -012.6468 +48.6547 -012.8015 +49.6139 -015.9119 +49.7505 -016.1370 +51.4617 -021.2191 +51.7459 -021.8329 Azimuth (Azm) measured from North to East.

Apply ephem. offset (O-C) in RA & DE and CTU:
CTU: Cross-track uncertainty (zero means: use the nominal prediction value, see event details below). Offsets and CTU all in mas.