Cora»OccDetail

Stellar Occultation by (82840) 2001 QE50 on 2024-07-26 (22:03:19 UT)

Event Details
Occultation UUID [and db] : 12974d10-ddb5-11f0-547e-e6b4dd7745ff [observed] Occultation Date + Time : 2024-07-26 at 22:03:19 UT +/- 0.03 min [1] Object Designation : (82840) 2001 QE50 Star Designation : GDR3 4075522264203388928 Star Coordinates (ICRF) : RA = 18 55 34.9079, DE = -23 20 08.402 [2] Star Magnitudes : G = 12.06 mag, RP = 10.75 mag, BP = 14.01 mag Object Magnitude : V = 19.86 mag Estimated Magnitude Drop : 7.8 mag Estimated Max. Duration : 0.2 sec Speed of the shadow : 9.9 km/s Object Mean Diameter : 2.4 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.4450 arcs/min @ PA = 264 deg Horizontal Parallax : 4.7930 arcs Dynamical Class : MBA Elongation to Moon & Sun : 96° (sunlit = 64%), Sun = 158° Cross-track uncertainty : 1.7 mas = 2 km = 0.94 path-width (1-sig) RUWE and duplicate source : 0.99 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#32 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

 Occultation UUID [and db] : 12974d10-ddb5-11f0-547e-e6b4dd7745ff [observed]

 Occultation Date + Time   : 2024-07-26 at 22:03:19 UT +/- 0.03 min  [1]
 Object Designation        : (82840) 2001 QE50
 Star Designation          : GDR3 4075522264203388928
 Star Coordinates (ICRF)   : RA = 18 55 34.9079, DE = -23 20 08.402  [2]
 Star Magnitudes           : G = 12.06 mag, RP = 10.75 mag, BP = 14.01 mag
 Object Magnitude          : V = 19.86 mag
 Estimated Magnitude Drop  : 7.8 mag
 Estimated Max. Duration   : 0.2 sec
 Speed of the shadow       : 9.9 km/s
 Object Mean Diameter      : 2.4 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.4450 arcs/min @ PA = 264 deg
 Horizontal Parallax       : 4.7930 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 96° (sunlit = 64%), Sun = 158°
 Cross-track uncertainty   : 1.7 mas = 2 km = 0.94 path-width (1-sig)
 RUWE and duplicate source : 0.99 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#32
 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 ---------------------------------------------- 21:59:30 +59.3046 +039.0439 +04 207 -11 21:59:37 +57.2639 +035.8004 +06 205 -13 21:59:45 +55.9012 +033.4497 +08 203 -15 21:59:52 +54.8292 +031.4780 +09 201 -16 22:00:00 +53.9308 +029.7297 +11 199 -17 22:00:07 +53.1517 +028.1324 +12 198 -18 22:00:15 +52.4615 +026.6456 +13 197 -18 22:00:22 +51.8409 +025.2437 +13 196 -19 22:00:30 +51.2772 +023.9092 +14 194 -19 22:00:37 +50.7611 +022.6298 +15 193 -20 22:00:45 +50.2859 +021.3963 +16 192 -20 22:00:52 +49.8462 +020.2014 +16 191 -20 22:01:00 +49.4379 +019.0396 +17 190 -21 22:01:07 +49.0580 +017.9062 +17 189 -21 22:01:15 +48.7035 +016.7975 +18 188 -21 22:01:22 +48.3725 +015.7104 +18 187 -21 22:01:30 +48.0630 +014.6420 +18 186 -21 22:01:37 +47.7735 +013.5901 +19 185 -21 22:01:45 +47.5027 +012.5527 +19 184 -21 22:01:52 +47.2495 +011.5280 +19 183 -21 22:02:00 +47.0130 +010.5144 +20 182 -21 22:02:07 +46.7924 +009.5104 +20 181 -21 22:02:15 +46.5868 +008.5147 +20 180 -21 22:02:22 +46.3959 +007.5262 +20 179 -21 22:02:30 +46.2189 +006.5437 +20 178 -21 22:02:37 +46.0556 +005.5662 +21 177 -21 22:02:45 +45.9055 +004.5927 +21 177 -21 22:02:52 +45.7683 +003.6222 +21 176 -21 22:03:00 +45.6438 +002.6539 +21 175 -20 22:03:07 +45.5317 +001.6868 +21 174 -20 22:03:15 +45.4320 +000.7201 +21 173 -20 22:03:22 +45.3445 -000.2471 +21 172 -20 22:03:30 +45.2692 -001.2155 +21 171 -19 22:03:37 +45.2060 -002.1862 +21 170 -19 22:03:45 +45.1550 -003.1599 +21 169 -19 22:03:52 +45.1163 -004.1375 +21 168 -18 22:04:00 +45.0901 -005.1201 +21 167 -18 22:04:07 +45.0764 -006.1085 +20 166 -18 22:04:15 +45.0755 -007.1038 +20 165 -17 22:04:22 +45.0878 -008.1071 +20 165 -17 22:04:30 +45.1137 -009.1196 +20 164 -16 22:04:37 +45.1534 -010.1426 +20 163 -16 22:04:45 +45.2076 -011.1774 +19 162 -15 22:04:52 +45.2770 -012.2256 +19 161 -15 22:05:00 +45.3621 -013.2890 +19 160 -14 22:05:07 +45.4640 -014.3694 +18 159 -14 22:05:15 +45.5835 -015.4691 +18 158 -13 22:05:22 +45.7221 -016.5907 +18 157 -12 22:05:30 +45.8810 -017.7370 +17 156 -12 22:05:37 +46.0622 -018.9116 +17 155 -11 22:05:45 +46.2677 -020.1186 +16 154 -10 22:05:52 +46.5003 -021.3631 +15 153 -10 22:06:00 +46.7632 -022.6514 +15 152 -09 22:06:07 +47.0607 -023.9914 +14 151 -08 22:06:15 +47.3986 -025.3936 +13 149 -07 22:06:22 +47.7842 -026.8719 +13 148 -06 22:06:30 +48.2285 -028.4458 +12 147 -05 22:06:37 +48.7471 -030.1445 +11 146 -04 22:06:45 +49.3658 -032.0144 +09 144 -02 22:06:52 +50.1302 -034.1393 +08 142 -01 22:07:00 +51.1410 -036.7028 +06 140 +01 22:07:07 +52.7473 -040.3429 +04 137 +04 Longitude measured positiv to the East.

Occultation Ground Track

 Time[UT] | Lat----CENTR----Lon | Alt hh:mm:ss | +DD.dddd  +DDD.dddd | deg ---------------------------------------------- 21:59:30   +59.3046  +039.0439   +04  207  -11 21:59:37   +57.2639  +035.8004   +06  205  -13 21:59:45   +55.9012  +033.4497   +08  203  -15 21:59:52   +54.8292  +031.4780   +09  201  -16 22:00:00   +53.9308  +029.7297   +11  199  -17 22:00:07   +53.1517  +028.1324   +12  198  -18 22:00:15   +52.4615  +026.6456   +13  197  -18 22:00:22   +51.8409  +025.2437   +13  196  -19 22:00:30   +51.2772  +023.9092   +14  194  -19 22:00:37   +50.7611  +022.6298   +15  193  -20 22:00:45   +50.2859  +021.3963   +16  192  -20 22:00:52   +49.8462  +020.2014   +16  191  -20 22:01:00   +49.4379  +019.0396   +17  190  -21 22:01:07   +49.0580  +017.9062   +17  189  -21 22:01:15   +48.7035  +016.7975   +18  188  -21 22:01:22   +48.3725  +015.7104   +18  187  -21 22:01:30   +48.0630  +014.6420   +18  186  -21 22:01:37   +47.7735  +013.5901   +19  185  -21 22:01:45   +47.5027  +012.5527   +19  184  -21 22:01:52   +47.2495  +011.5280   +19  183  -21 22:02:00   +47.0130  +010.5144   +20  182  -21 22:02:07   +46.7924  +009.5104   +20  181  -21 22:02:15   +46.5868  +008.5147   +20  180  -21 22:02:22   +46.3959  +007.5262   +20  179  -21 22:02:30   +46.2189  +006.5437   +20  178  -21 22:02:37   +46.0556  +005.5662   +21  177  -21 22:02:45   +45.9055  +004.5927   +21  177  -21 22:02:52   +45.7683  +003.6222   +21  176  -21 22:03:00   +45.6438  +002.6539   +21  175  -20 22:03:07   +45.5317  +001.6868   +21  174  -20 22:03:15   +45.4320  +000.7201   +21  173  -20 22:03:22   +45.3445  -000.2471   +21  172  -20 22:03:30   +45.2692  -001.2155   +21  171  -19 22:03:37   +45.2060  -002.1862   +21  170  -19 22:03:45   +45.1550  -003.1599   +21  169  -19 22:03:52   +45.1163  -004.1375   +21  168  -18 22:04:00   +45.0901  -005.1201   +21  167  -18 22:04:07   +45.0764  -006.1085   +20  166  -18 22:04:15   +45.0755  -007.1038   +20  165  -17 22:04:22   +45.0878  -008.1071   +20  165  -17 22:04:30   +45.1137  -009.1196   +20  164  -16 22:04:37   +45.1534  -010.1426   +20  163  -16 22:04:45   +45.2076  -011.1774   +19  162  -15 22:04:52   +45.2770  -012.2256   +19  161  -15 22:05:00   +45.3621  -013.2890   +19  160  -14 22:05:07   +45.4640  -014.3694   +18  159  -14 22:05:15   +45.5835  -015.4691   +18  158  -13 22:05:22   +45.7221  -016.5907   +18  157  -12 22:05:30   +45.8810  -017.7370   +17  156  -12 22:05:37   +46.0622  -018.9116   +17  155  -11 22:05:45   +46.2677  -020.1186   +16  154  -10 22:05:52   +46.5003  -021.3631   +15  153  -10 22:06:00   +46.7632  -022.6514   +15  152  -09 22:06:07   +47.0607  -023.9914   +14  151  -08 22:06:15   +47.3986  -025.3936   +13  149  -07 22:06:22   +47.7842  -026.8719   +13  148  -06 22:06:30   +48.2285  -028.4458   +12  147  -05 22:06:37   +48.7471  -030.1445   +11  146  -04 22:06:45   +49.3658  -032.0144   +09  144  -02 22:06:52   +50.1302  -034.1393   +08  142  -01 22:07:00   +51.1410  -036.7028   +06  140  +01 22:07:07   +52.7473  -040.3429   +04  137  +04

Longitude measured positiv to the East.

------------------------------------------------------------------------------------------- Azm Sun | Lat----EDGE1----Lon | Lat----EDGE2----Lon deg deg | +DD.dddd +DDD.dddd | +DD.dddd +DDD.dddd --------------------------------------------- +59.1732 +038.9191 +59.4410 +039.1749 +57.1813 +035.7380 +57.3476 +035.8641 +55.8347 +033.4072 +55.9683 +033.4928 +54.7714 +031.4460 +54.8875 +031.5103 +53.8785 +029.7044 +53.9834 +029.7552 +53.1034 +028.1118 +53.2003 +028.1532 +52.4161 +026.6286 +52.5070 +026.6628 +51.7979 +025.2294 +51.8841 +025.2580 +51.2361 +023.8971 +51.3185 +023.9213 +50.7216 +022.6196 +50.8008 +022.6401 +50.2476 +021.3877 +50.3242 +021.4050 +49.8091 +020.1942 +49.8833 +020.2087 +49.4018 +019.0336 +49.4741 +019.0457 +49.0227 +017.9013 +49.0933 +017.9112 +48.6690 +016.7935 +48.7381 +016.8016 +48.3386 +015.7072 +48.4064 +015.7135 +48.0297 +014.6396 +48.0963 +014.6444 +47.7407 +013.5885 +47.8063 +013.5918 +47.4704 +012.5518 +47.5351 +012.5537 +47.2177 +011.5277 +47.2815 +011.5283 +46.9815 +010.5147 +47.0446 +010.5141 +46.7612 +009.5113 +46.8236 +009.5095 +46.5559 +008.5162 +46.6178 +008.5133 +46.3652 +007.5282 +46.4266 +007.5243 +46.1885 +006.5462 +46.2494 +006.5412 +46.0254 +005.5692 +46.0859 +005.5632 +45.8754 +004.5961 +45.9356 +004.5892 +45.7384 +003.6261 +45.7983 +003.6182 +45.6139 +002.6583 +45.6736 +002.6494 +45.5020 +001.6917 +45.5615 +001.6819 +45.4023 +000.7255 +45.4617 +000.7147 +45.3149 -000.2412 +45.3742 -000.2529 +45.2396 -001.2092 +45.2988 -001.2219 +45.1764 -002.1793 +45.2357 -002.1930 +45.1254 -003.1525 +45.1847 -003.1672 +45.0867 -004.1297 +45.1461 -004.1454 +45.0603 -005.1117 +45.1199 -005.1285 +45.0465 -006.0996 +45.1063 -006.1174 +45.0456 -007.0943 +45.1056 -007.1133 +45.0577 -008.0970 +45.1180 -008.1172 +45.0834 -009.1089 +45.1440 -009.1304 +45.1229 -010.1312 +45.1840 -010.1540 +45.1769 -011.1653 +45.2384 -011.1895 +45.2459 -012.2128 +45.3080 -012.2385 +45.3307 -013.2753 +45.3935 -013.3027 +45.4322 -014.3549 +45.4958 -014.3840 +45.5514 -015.4536 +45.6158 -015.4847 +45.6894 -016.5741 +45.7548 -016.6073 +45.8478 -017.7193 +45.9144 -017.7548 +46.0283 -018.8925 +46.0962 -018.9307 +46.2331 -020.0981 +46.3025 -020.1391 +46.4647 -021.3409 +46.5359 -021.3853 +46.7266 -022.6273 +46.7999 -022.6756 +47.0229 -023.9650 +47.0987 -024.0179 +47.3592 -025.3644 +47.4381 -025.4229 +47.7429 -026.8393 +47.8257 -026.9046 +48.1847 -028.4090 +48.2724 -028.4829 +48.7002 -030.1019 +48.7943 -030.1874 +49.3142 -031.9637 +49.4177 -032.0656 +50.0714 -034.0759 +50.1895 -034.2036 +51.0686 -036.6149 +51.2144 -036.7922 +52.6305 -040.1751 +52.8689 -040.5193 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.