Cora»OccDetail

Stellar Occultation by (78402) 2002 QW8 on 2023-07-08 (23:44:13 UT)

Event Details
Occultation UUID [and db] : cad11570-ddb3-11f0-547e-c3ca4bae2831 [observed] Occultation Date + Time : 2023-07-08 at 23:44:13 UT +/- 0.1 min [1] Object Designation : (78402) 2002 QW8 Star Designation : GDR3 4079063039568601984 Star Coordinates (ICRF) : RA = 18 52 06.9693, DE = -21 10 26.864 [2] Star Magnitudes : G = 11.3 mag, RP = 10.98 mag, BP = 11.48 mag Object Magnitude : V = 18.64 mag Estimated Magnitude Drop : 7.4 mag Estimated Max. Duration : 0.3 sec Speed of the shadow : 10.8 km/s Object Mean Diameter : 3.4 km (src: astorb) => apparent = 3 mas Apparent Motion : 0.5083 arcs/min @ PA = 260 deg Horizontal Parallax : 4.9920 arcs Dynamical Class : MBA Elongation to Moon & Sun : 80° (sunlit = 62%), Sun = 175° Cross-track uncertainty : 28.3 mas = 36 km = 10.63 path-width (1-sig) RUWE and duplicate source : 0.72 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#38 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

 Occultation UUID [and db] : cad11570-ddb3-11f0-547e-c3ca4bae2831 [observed]

 Occultation Date + Time   : 2023-07-08 at 23:44:13 UT +/- 0.1 min  [1]
 Object Designation        : (78402) 2002 QW8
 Star Designation          : GDR3 4079063039568601984
 Star Coordinates (ICRF)   : RA = 18 52 06.9693, DE = -21 10 26.864  [2]
 Star Magnitudes           : G = 11.3 mag, RP = 10.98 mag, BP = 11.48 mag
 Object Magnitude          : V = 18.64 mag
 Estimated Magnitude Drop  : 7.4 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 10.8 km/s
 Object Mean Diameter      : 3.4 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.5083 arcs/min @ PA = 260 deg
 Horizontal Parallax       : 4.9920 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 80° (sunlit = 62%), Sun = 175°
 Cross-track uncertainty   : 28.3 mas = 36 km = 10.63 path-width (1-sig)
 RUWE and duplicate source : 0.72 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#38
 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 ---------------------------------------------- 23:40:18 +63.1139 +032.9926 +02 209 -02 23:40:26 +59.9301 +027.9725 +06 205 -06 23:40:33 +58.1789 +025.0305 +08 202 -08 23:40:41 +56.8484 +022.6880 +10 200 -10 23:40:48 +55.7466 +020.6657 +11 199 -11 23:40:56 +54.7947 +018.8493 +13 197 -12 23:41:03 +53.9511 +017.1787 +14 195 -13 23:41:11 +53.1908 +015.6177 +15 194 -14 23:41:18 +52.4974 +014.1424 +15 193 -15 23:41:26 +51.8593 +012.7364 +16 191 -15 23:41:33 +51.2681 +011.3872 +17 190 -16 23:41:41 +50.7174 +010.0858 +18 189 -17 23:41:48 +50.2022 +008.8248 +18 188 -17 23:41:56 +49.7187 +007.5985 +19 187 -18 23:42:03 +49.2637 +006.4022 +19 185 -18 23:42:11 +48.8345 +005.2319 +20 184 -19 23:42:18 +48.4290 +004.0843 +20 183 -19 23:42:26 +48.0454 +002.9566 +21 182 -19 23:42:33 +47.6821 +001.8463 +21 181 -20 23:42:41 +47.3378 +000.7513 +21 180 -20 23:42:48 +47.0113 -000.3303 +22 179 -20 23:42:56 +46.7018 -001.4002 +22 178 -21 23:43:03 +46.4083 -002.4599 +22 177 -21 23:43:11 +46.1301 -003.5109 +23 176 -21 23:43:18 +45.8667 -004.5544 +23 175 -21 23:43:26 +45.6174 -005.5916 +23 174 -21 23:43:33 +45.3818 -006.6237 +23 173 -21 23:43:41 +45.1594 -007.6517 +23 172 -21 23:43:48 +44.9501 -008.6766 +23 171 -21 23:43:56 +44.7533 -009.6994 +23 170 -21 23:44:03 +44.5690 -010.7211 +23 169 -21 23:44:11 +44.3970 -011.7425 +24 168 -21 23:44:18 +44.2370 -012.7647 +24 167 -21 23:44:26 +44.0890 -013.7884 +23 166 -21 23:44:33 +43.9530 -014.8147 +23 165 -21 23:44:41 +43.8290 -015.8444 +23 164 -21 23:44:48 +43.7168 -016.8786 +23 163 -21 23:44:56 +43.6168 -017.9183 +23 162 -21 23:45:03 +43.5289 -018.9644 +23 161 -20 23:45:11 +43.4534 -020.0181 +23 160 -20 23:45:18 +43.3905 -021.0806 +23 159 -20 23:45:26 +43.3405 -022.1530 +22 158 -20 23:45:33 +43.3037 -023.2369 +22 157 -19 23:45:41 +43.2805 -024.3336 +22 156 -19 23:45:48 +43.2716 -025.4447 +21 155 -19 23:45:56 +43.2774 -026.5722 +21 154 -18 23:46:03 +43.2987 -027.7180 +21 153 -18 23:46:11 +43.3364 -028.8844 +20 151 -17 23:46:18 +43.3915 -030.0740 +20 150 -17 23:46:26 +43.4652 -031.2899 +19 149 -16 23:46:33 +43.5589 -032.5357 +19 148 -16 23:46:41 +43.6745 -033.8157 +18 147 -15 23:46:48 +43.8142 -035.1348 +18 146 -14 23:46:56 +43.9806 -036.4995 +17 145 -14 23:47:03 +44.1771 -037.9175 +16 144 -13 23:47:11 +44.4084 -039.3991 +15 143 -12 23:47:18 +44.6801 -040.9575 +14 141 -11 23:47:26 +45.0006 -042.6112 +14 140 -10 23:47:33 +45.3815 -044.3863 +12 139 -09 23:47:41 +45.8408 -046.3234 +11 137 -08 23:47:48 +46.4086 -048.4900 +10 135 -06 23:47:56 +47.1436 -051.0179 +08 133 -04 23:48:03 +48.1946 -054.2426 +06 131 -02 23:48:11 +50.6667 -060.6645 +01 126 +03 Longitude measured positiv to the East.

Occultation Ground Track

 Time[UT] | Lat----CENTR----Lon | Alt hh:mm:ss | +DD.dddd  +DDD.dddd | deg ---------------------------------------------- 23:40:18   +63.1139  +032.9926   +02  209  -02 23:40:26   +59.9301  +027.9725   +06  205  -06 23:40:33   +58.1789  +025.0305   +08  202  -08 23:40:41   +56.8484  +022.6880   +10  200  -10 23:40:48   +55.7466  +020.6657   +11  199  -11 23:40:56   +54.7947  +018.8493   +13  197  -12 23:41:03   +53.9511  +017.1787   +14  195  -13 23:41:11   +53.1908  +015.6177   +15  194  -14 23:41:18   +52.4974  +014.1424   +15  193  -15 23:41:26   +51.8593  +012.7364   +16  191  -15 23:41:33   +51.2681  +011.3872   +17  190  -16 23:41:41   +50.7174  +010.0858   +18  189  -17 23:41:48   +50.2022  +008.8248   +18  188  -17 23:41:56   +49.7187  +007.5985   +19  187  -18 23:42:03   +49.2637  +006.4022   +19  185  -18 23:42:11   +48.8345  +005.2319   +20  184  -19 23:42:18   +48.4290  +004.0843   +20  183  -19 23:42:26   +48.0454  +002.9566   +21  182  -19 23:42:33   +47.6821  +001.8463   +21  181  -20 23:42:41   +47.3378  +000.7513   +21  180  -20 23:42:48   +47.0113  -000.3303   +22  179  -20 23:42:56   +46.7018  -001.4002   +22  178  -21 23:43:03   +46.4083  -002.4599   +22  177  -21 23:43:11   +46.1301  -003.5109   +23  176  -21 23:43:18   +45.8667  -004.5544   +23  175  -21 23:43:26   +45.6174  -005.5916   +23  174  -21 23:43:33   +45.3818  -006.6237   +23  173  -21 23:43:41   +45.1594  -007.6517   +23  172  -21 23:43:48   +44.9501  -008.6766   +23  171  -21 23:43:56   +44.7533  -009.6994   +23  170  -21 23:44:03   +44.5690  -010.7211   +23  169  -21 23:44:11   +44.3970  -011.7425   +24  168  -21 23:44:18   +44.2370  -012.7647   +24  167  -21 23:44:26   +44.0890  -013.7884   +23  166  -21 23:44:33   +43.9530  -014.8147   +23  165  -21 23:44:41   +43.8290  -015.8444   +23  164  -21 23:44:48   +43.7168  -016.8786   +23  163  -21 23:44:56   +43.6168  -017.9183   +23  162  -21 23:45:03   +43.5289  -018.9644   +23  161  -20 23:45:11   +43.4534  -020.0181   +23  160  -20 23:45:18   +43.3905  -021.0806   +23  159  -20 23:45:26   +43.3405  -022.1530   +22  158  -20 23:45:33   +43.3037  -023.2369   +22  157  -19 23:45:41   +43.2805  -024.3336   +22  156  -19 23:45:48   +43.2716  -025.4447   +21  155  -19 23:45:56   +43.2774  -026.5722   +21  154  -18 23:46:03   +43.2987  -027.7180   +21  153  -18 23:46:11   +43.3364  -028.8844   +20  151  -17 23:46:18   +43.3915  -030.0740   +20  150  -17 23:46:26   +43.4652  -031.2899   +19  149  -16 23:46:33   +43.5589  -032.5357   +19  148  -16 23:46:41   +43.6745  -033.8157   +18  147  -15 23:46:48   +43.8142  -035.1348   +18  146  -14 23:46:56   +43.9806  -036.4995   +17  145  -14 23:47:03   +44.1771  -037.9175   +16  144  -13 23:47:11   +44.4084  -039.3991   +15  143  -12 23:47:18   +44.6801  -040.9575   +14  141  -11 23:47:26   +45.0006  -042.6112   +14  140  -10 23:47:33   +45.3815  -044.3863   +12  139  -09 23:47:41   +45.8408  -046.3234   +11  137  -08 23:47:48   +46.4086  -048.4900   +10  135  -06 23:47:56   +47.1436  -051.0179   +08  133  -04 23:48:03   +48.1946  -054.2426   +06  131  -02 23:48:11   +50.6667  -060.6645   +01  126  +03

Longitude measured positiv to the East.

------------------------------------------------------------------------------------------- Azm Sun | Lat----EDGE1----Lon | Lat----EDGE2----Lon deg deg | +DD.dddd +DDD.dddd | +DD.dddd +DDD.dddd --------------------------------------------- +62.8206 +032.6475 +63.4580 +033.4105 +59.8105 +027.8750 +60.0522 +028.0730 +58.0877 +024.9714 +58.2710 +025.0906 +56.7708 +022.6466 +56.9266 +022.7300 +55.6773 +020.6348 +55.8163 +020.6971 +54.7311 +018.8254 +54.8586 +018.8735 +53.8917 +017.1599 +54.0107 +017.1977 +53.1348 +015.6028 +53.2471 +015.6327 +52.4440 +014.1307 +52.5510 +014.1543 +51.8080 +012.7272 +51.9107 +012.7456 +51.2186 +011.3802 +51.3176 +011.3944 +50.6695 +010.0806 +50.7654 +010.0911 +50.1557 +008.8212 +50.2489 +008.8285 +49.6734 +007.5963 +49.7642 +007.6008 +49.2194 +006.4012 +49.3081 +006.4032 +48.7911 +005.2320 +48.8781 +005.2318 +48.3864 +004.0854 +48.4717 +004.0831 +48.0035 +002.9586 +48.0874 +002.9545 +47.6408 +001.8492 +47.7234 +001.8433 +47.2971 +000.7551 +47.3785 +000.7476 +46.9712 -000.3257 +47.0515 -000.3348 +46.6621 -001.3949 +46.7415 -001.4054 +46.3690 -002.4540 +46.4476 -002.4658 +46.0912 -003.5043 +46.1691 -003.5175 +45.8281 -004.5471 +45.9053 -004.5616 +45.5791 -005.5838 +45.6557 -005.5995 +45.3438 -006.6152 +45.4198 -006.6322 +45.1217 -007.6426 +45.1973 -007.6608 +44.9125 -008.6670 +44.9877 -008.6863 +44.7160 -009.6892 +44.7908 -009.7097 +44.5318 -010.7103 +44.6063 -010.7319 +44.3599 -011.7311 +44.4341 -011.7539 +44.2000 -012.7527 +44.2741 -012.7767 +44.0521 -013.7758 +44.1260 -013.8010 +43.9162 -014.8015 +43.9900 -014.8279 +43.7921 -015.8306 +43.8659 -015.8583 +43.6800 -016.8642 +43.7538 -016.8931 +43.5799 -017.9031 +43.6537 -017.9334 +43.4920 -018.9486 +43.5659 -018.9802 +43.4164 -020.0016 +43.4905 -020.0346 +43.3534 -021.0633 +43.4277 -021.0979 +43.3032 -022.1350 +43.3778 -022.1711 +43.2662 -023.2180 +43.3412 -023.2558 +43.2428 -024.3138 +43.3183 -024.3534 +43.2336 -025.4240 +43.3096 -025.4655 +43.2391 -026.5505 +43.3157 -026.5940 +43.2601 -027.6951 +43.3374 -027.7409 +43.2974 -028.8603 +43.3755 -028.9085 +43.3520 -030.0487 +43.4310 -030.0994 +43.4252 -031.2632 +43.5053 -031.3168 +43.5183 -032.5073 +43.5996 -032.5643 +43.6332 -033.7855 +43.7160 -033.8460 +43.7720 -035.1025 +43.8565 -035.1672 +43.9373 -036.4648 +44.0239 -036.5343 +44.1327 -037.8802 +44.2217 -037.9551 +44.3625 -039.3585 +44.4543 -039.4400 +44.6325 -040.9129 +44.7279 -041.0024 +44.9508 -042.5616 +45.0506 -042.6611 +45.3288 -044.3303 +45.4344 -044.4427 +45.7841 -046.2586 +45.8978 -046.3887 +46.3461 -048.4124 +46.4716 -048.5685 +47.0713 -050.9186 +47.2167 -051.1187 +48.1006 -054.0951 +48.2906 -054.3944 +50.3086 -059.9203 +48.1184 -055.1060 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.