Cora»OccDetail

Stellar Occultation by (271931) 2004 XS117 on 2024-07-27 (00:21:43 UT)

Event Details
Occultation UUID [and db] : 157e8e80-ddb5-11f0-547e-4355f55eae86 [observed] Occultation Date + Time : 2024-07-27 at 00:21:43 UT +/- 0.09 min [1] Object Designation : (271931) 2004 XS117 Star Designation : GDR3 4089542416223186944 Star Coordinates (ICRF) : RA = 18 25 16.4272, DE = -22 55 02.691 [2] Star Magnitudes : G = 13.02 mag, RP = 11.83 mag, BP = 14.56 mag Object Magnitude : V = 20.57 mag Estimated Magnitude Drop : 7.6 mag Estimated Max. Duration : 0.3 sec Speed of the shadow : 10.8 km/s Object Mean Diameter : 2.7 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.3800 arcs/min @ PA = 286 deg Horizontal Parallax : 3.7280 arcs Dynamical Class : MBA Elongation to Moon & Sun : 104° (sunlit = 63%), Sun = 151° Cross-track uncertainty : 22.7 mas = 38 km = 14.38 path-width (1-sig) RUWE and duplicate source : 0.96 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#27 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

 Occultation UUID [and db] : 157e8e80-ddb5-11f0-547e-4355f55eae86 [observed]

 Occultation Date + Time   : 2024-07-27 at 00:21:43 UT +/- 0.09 min  [1]
 Object Designation        : (271931) 2004 XS117
 Star Designation          : GDR3 4089542416223186944
 Star Coordinates (ICRF)   : RA = 18 25 16.4272, DE = -22 55 02.691  [2]
 Star Magnitudes           : G = 13.02 mag, RP = 11.83 mag, BP = 14.56 mag
 Object Magnitude          : V = 20.57 mag
 Estimated Magnitude Drop  : 7.6 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 10.8 km/s
 Object Mean Diameter      : 2.7 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.3800 arcs/min @ PA = 286 deg
 Horizontal Parallax       : 3.7280 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 104° (sunlit = 63%), Sun = 151°
 Cross-track uncertainty   : 22.7 mas = 38 km = 14.38 path-width (1-sig)
 RUWE and duplicate source : 0.96 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#27
 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 ---------------------------------------------- 00:18:11 +45.8953 +025.4513 +03 232 -20 00:18:19 +44.4044 +021.3300 +06 229 -23 00:18:26 +43.5892 +018.6113 +08 227 -24 00:18:34 +43.0196 +016.3930 +10 226 -25 00:18:41 +42.5906 +014.4554 +11 224 -26 00:18:49 +42.2569 +012.7031 +12 223 -27 00:18:56 +41.9937 +011.0847 +13 222 -27 00:19:04 +41.7860 +009.5684 +14 221 -28 00:19:11 +41.6236 +008.1330 +15 219 -28 00:19:19 +41.4996 +006.7635 +15 218 -29 00:19:26 +41.4088 +005.4489 +16 217 -29 00:19:34 +41.3471 +004.1809 +17 216 -29 00:19:41 +41.3117 +002.9526 +17 215 -29 00:19:49 +41.3001 +001.7588 +18 214 -29 00:19:56 +41.3104 +000.5952 +18 213 -29 00:20:04 +41.3409 -000.5420 +19 212 -29 00:20:11 +41.3906 -001.6558 +19 211 -29 00:20:19 +41.4582 -002.7489 +19 210 -29 00:20:26 +41.5429 -003.8236 +20 209 -29 00:20:34 +41.6441 -004.8818 +20 208 -29 00:20:41 +41.7611 -005.9255 +20 208 -29 00:20:49 +41.8935 -006.9562 +21 207 -29 00:20:56 +42.0409 -007.9754 +21 206 -29 00:21:04 +42.2031 -008.9845 +21 205 -28 00:21:11 +42.3797 -009.9845 +21 204 -28 00:21:19 +42.5707 -010.9768 +21 203 -28 00:21:26 +42.7760 -011.9623 +21 202 -28 00:21:34 +42.9956 -012.9422 +21 201 -27 00:21:41 +43.2296 -013.9173 +21 200 -27 00:21:49 +43.4780 -014.8887 +21 199 -27 00:21:56 +43.7411 -015.8573 +21 198 -26 00:22:04 +44.0192 -016.8240 +21 197 -26 00:22:11 +44.3125 -017.7898 +21 196 -25 00:22:19 +44.6214 -018.7555 +21 195 -25 00:22:26 +44.9464 -019.7221 +21 195 -24 00:22:34 +45.2881 -020.6907 +21 194 -24 00:22:41 +45.6471 -021.6621 +20 193 -23 00:22:49 +46.0242 -022.6376 +20 192 -23 00:22:56 +46.4204 -023.6182 +20 191 -22 00:23:04 +46.8366 -024.6053 +20 190 -21 00:23:11 +47.2741 -025.6001 +19 189 -21 00:23:19 +47.7343 -026.6041 +19 188 -20 00:23:26 +48.2189 -027.6191 +19 187 -19 00:23:34 +48.7300 -028.6469 +18 186 -19 00:23:41 +49.2699 -029.6896 +18 185 -18 00:23:49 +49.8415 -030.7498 +17 184 -17 00:23:56 +50.4483 -031.8305 +17 183 -16 00:24:04 +51.0948 -032.9353 +16 182 -15 00:24:11 +51.7863 -034.0685 +15 181 -14 00:24:19 +52.5300 -035.2358 +15 180 -14 00:24:26 +53.3353 -036.4442 +14 179 -12 00:24:34 +54.2149 -037.7036 +13 177 -11 00:24:41 +55.1875 -039.0274 +12 176 -10 00:24:49 +56.2810 -040.4359 +11 175 -09 00:24:56 +57.5422 -041.9620 +09 174 -07 00:25:04 +59.0606 -043.6674 +08 172 -06 00:25:11 +61.0579 -045.6998 +06 170 -03 00:25:19 +64.8304 -048.8846 +02 167 +00 Longitude measured positiv to the East.

Occultation Ground Track

 Time[UT] | Lat----CENTR----Lon | Alt hh:mm:ss | +DD.dddd  +DDD.dddd | deg ---------------------------------------------- 00:18:11   +45.8953  +025.4513   +03  232  -20 00:18:19   +44.4044  +021.3300   +06  229  -23 00:18:26   +43.5892  +018.6113   +08  227  -24 00:18:34   +43.0196  +016.3930   +10  226  -25 00:18:41   +42.5906  +014.4554   +11  224  -26 00:18:49   +42.2569  +012.7031   +12  223  -27 00:18:56   +41.9937  +011.0847   +13  222  -27 00:19:04   +41.7860  +009.5684   +14  221  -28 00:19:11   +41.6236  +008.1330   +15  219  -28 00:19:19   +41.4996  +006.7635   +15  218  -29 00:19:26   +41.4088  +005.4489   +16  217  -29 00:19:34   +41.3471  +004.1809   +17  216  -29 00:19:41   +41.3117  +002.9526   +17  215  -29 00:19:49   +41.3001  +001.7588   +18  214  -29 00:19:56   +41.3104  +000.5952   +18  213  -29 00:20:04   +41.3409  -000.5420   +19  212  -29 00:20:11   +41.3906  -001.6558   +19  211  -29 00:20:19   +41.4582  -002.7489   +19  210  -29 00:20:26   +41.5429  -003.8236   +20  209  -29 00:20:34   +41.6441  -004.8818   +20  208  -29 00:20:41   +41.7611  -005.9255   +20  208  -29 00:20:49   +41.8935  -006.9562   +21  207  -29 00:20:56   +42.0409  -007.9754   +21  206  -29 00:21:04   +42.2031  -008.9845   +21  205  -28 00:21:11   +42.3797  -009.9845   +21  204  -28 00:21:19   +42.5707  -010.9768   +21  203  -28 00:21:26   +42.7760  -011.9623   +21  202  -28 00:21:34   +42.9956  -012.9422   +21  201  -27 00:21:41   +43.2296  -013.9173   +21  200  -27 00:21:49   +43.4780  -014.8887   +21  199  -27 00:21:56   +43.7411  -015.8573   +21  198  -26 00:22:04   +44.0192  -016.8240   +21  197  -26 00:22:11   +44.3125  -017.7898   +21  196  -25 00:22:19   +44.6214  -018.7555   +21  195  -25 00:22:26   +44.9464  -019.7221   +21  195  -24 00:22:34   +45.2881  -020.6907   +21  194  -24 00:22:41   +45.6471  -021.6621   +20  193  -23 00:22:49   +46.0242  -022.6376   +20  192  -23 00:22:56   +46.4204  -023.6182   +20  191  -22 00:23:04   +46.8366  -024.6053   +20  190  -21 00:23:11   +47.2741  -025.6001   +19  189  -21 00:23:19   +47.7343  -026.6041   +19  188  -20 00:23:26   +48.2189  -027.6191   +19  187  -19 00:23:34   +48.7300  -028.6469   +18  186  -19 00:23:41   +49.2699  -029.6896   +18  185  -18 00:23:49   +49.8415  -030.7498   +17  184  -17 00:23:56   +50.4483  -031.8305   +17  183  -16 00:24:04   +51.0948  -032.9353   +16  182  -15 00:24:11   +51.7863  -034.0685   +15  181  -14 00:24:19   +52.5300  -035.2358   +15  180  -14 00:24:26   +53.3353  -036.4442   +14  179  -12 00:24:34   +54.2149  -037.7036   +13  177  -11 00:24:41   +55.1875  -039.0274   +12  176  -10 00:24:49   +56.2810  -040.4359   +11  175  -09 00:24:56   +57.5422  -041.9620   +09  174  -07 00:25:04   +59.0606  -043.6674   +08  172  -06 00:25:11   +61.0579  -045.6998   +06  170  -03 00:25:19   +64.8304  -048.8846   +02  167  +00

Longitude measured positiv to the East.

------------------------------------------------------------------------------------------- Azm Sun | Lat----EDGE1----Lon | Lat----EDGE2----Lon deg deg | +DD.dddd +DDD.dddd | +DD.dddd +DDD.dddd --------------------------------------------- +45.7671 +025.2263 +46.0317 +025.6935 +44.3337 +021.2252 +44.4760 +021.4369 +43.5325 +018.5354 +43.6463 +018.6881 +42.9698 +016.3315 +43.0696 +016.4550 +42.5452 +014.4029 +42.6362 +014.5082 +42.2145 +012.6569 +42.2995 +012.7497 +41.9535 +011.0431 +42.0340 +011.1265 +41.7475 +009.5304 +41.8246 +009.6065 +41.5865 +008.0979 +41.6609 +008.1682 +41.4636 +006.7309 +41.5357 +006.7963 +41.3736 +005.4183 +41.4440 +005.4796 +41.3128 +004.1520 +41.3816 +004.2098 +41.2780 +002.9253 +41.3455 +002.9800 +41.2669 +001.7329 +41.3334 +001.7849 +41.2776 +000.5704 +41.3432 +000.6201 +41.3086 -000.5657 +41.3733 -000.5182 +41.3585 -001.6786 +41.4226 -001.6330 +41.4264 -002.7708 +41.4900 -002.7269 +41.5114 -003.8447 +41.5745 -003.8024 +41.6128 -004.9022 +41.6755 -004.8614 +41.7299 -005.9452 +41.7924 -005.9058 +41.8624 -006.9753 +41.9247 -006.9371 +42.0099 -007.9939 +42.0720 -007.9569 +42.1721 -009.0024 +42.2341 -008.9665 +42.3487 -010.0019 +42.4107 -009.9671 +42.5397 -010.9937 +42.6017 -010.9598 +42.7450 -011.9787 +42.8070 -011.9459 +42.9645 -012.9581 +43.0267 -012.9262 +43.1984 -013.9329 +43.2608 -013.9017 +43.4467 -014.9038 +43.5094 -014.8736 +43.7097 -015.8720 +43.7727 -015.8426 +43.9875 -016.8383 +44.0509 -016.8097 +44.2806 -017.8037 +44.3444 -017.7758 +44.5893 -018.7690 +44.6535 -018.7419 +44.9140 -019.7353 +44.9789 -019.7089 +45.2554 -020.7035 +45.3209 -020.6778 +45.6140 -021.6746 +45.6803 -021.6497 +45.9907 -022.6497 +46.0578 -022.6255 +46.3864 -023.6299 +46.4544 -023.6066 +46.8021 -024.6166 +46.8711 -024.5940 +47.2390 -025.6109 +47.3092 -025.5892 +47.6986 -026.6145 +47.7701 -026.5937 +48.1825 -027.6290 +48.2555 -027.6091 +48.6927 -028.6563 +48.7674 -028.6374 +49.2317 -029.6985 +49.3082 -029.6807 +49.8022 -030.7581 +49.8809 -030.7415 +50.4078 -031.8382 +50.4890 -031.8228 +51.0528 -032.9422 +51.1369 -032.9283 +51.7426 -034.0745 +51.8301 -034.0624 +52.4842 -035.2408 +52.5759 -035.2307 +53.2870 -036.4480 +53.3837 -036.4405 +54.1636 -037.7058 +54.2665 -037.7014 +55.1321 -039.0275 +55.2431 -039.0273 +56.2201 -040.4332 +56.3421 -040.4386 +57.4733 -041.9552 +57.6115 -041.9691 +58.9784 -043.6533 +59.1436 -043.6818 +60.9471 -045.6696 +61.1709 -045.7310 +64.5031 -048.7254 +65.2365 -049.0903 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.