Cora»OccDetail

Stellar Occultation by (171) Ophelia on 2023-07-21 (21:16:12 UT)

Event Details
Occultation UUID [and db] : 4b4fa9e0-ddb0-11f0-547e-2421f5fe3ccf [observed] Occultation Date + Time : 2023-07-21 at 21:16:12 UT +/- 0.01 min [1] Object Designation : (171) Ophelia Star Designation : GDR3 4116871911616480768 Star Coordinates (ICRF) : RA = 17 42 16.3510, DE = -23 04 30.255 [2] Star Magnitudes : G = 14.28 mag, RP = 13.19 mag, BP = 15.47 mag Object Magnitude : V = 13.71 mag Estimated Magnitude Drop : 0.5 mag Estimated Max. Duration : 13.4 sec Speed of the shadow : 8.7 km/s Object Mean Diameter : 116.7 km (src: astorb) => apparent = 67 mas Apparent Motion : 0.3017 arcs/min @ PA = 267 deg Horizontal Parallax : 3.6830 arcs Dynamical Class : MBA Elongation to Moon & Sun : 102° (sunlit = 15%), Sun = 147° Cross-track uncertainty : 0.7 mas = 1 km = 0.01 path-width (1-sig) RUWE and duplicate source : 0.93 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL157 Note : FP:true Object is a <Gaia mass determination> target ! [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

 Occultation UUID [and db] : 4b4fa9e0-ddb0-11f0-547e-2421f5fe3ccf [observed]

 Occultation Date + Time   : 2023-07-21 at 21:16:12 UT +/- 0.01 min  [1]
 Object Designation        : (171) Ophelia
 Star Designation          : GDR3 4116871911616480768
 Star Coordinates (ICRF)   : RA = 17 42 16.3510, DE = -23 04 30.255  [2]
 Star Magnitudes           : G = 14.28 mag, RP = 13.19 mag, BP = 15.47 mag
 Object Magnitude          : V = 13.71 mag
 Estimated Magnitude Drop  : 0.5 mag
 Estimated Max. Duration   : 13.4 sec
 Speed of the shadow       : 8.7 km/s
 Object Mean Diameter      : 116.7 km  (src: astorb) => apparent = 67 mas
 Apparent Motion           : 0.3017 arcs/min @ PA = 267 deg
 Horizontal Parallax       : 3.6830 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 102° (sunlit = 15%), Sun = 147°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.01 path-width (1-sig)
 RUWE and duplicate source : 0.93 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL157
 Note                      : FP:true

 Object is a <Gaia mass determination> target !

 [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

(If error 404: link not valid which means no data available)

Interactive map

Download KMZ file

Aladin Sky Atlas
Loading sky atlas…

Aladin Lite direct link (has Gaia overlay)

Occultation Ground Track
Time[UT] \| Lat----CENTR----Lon \| Alt hh:mm:ss \| +DD.dddd +DDD.dddd \| deg ---------------------------------------------- 21:12:59 +62.1179 +034.1520 +02 204 -07 21:13:02 +60.9230 +032.4507 +04 202 -08 21:13:06 +60.1002 +031.1707 +05 201 -09 21:13:10 +59.4431 +030.0796 +06 200 -09 21:13:13 +58.8862 +029.1029 +06 199 -10 21:13:17 +58.3984 +028.2051 +07 198 -10 21:13:21 +57.9621 +027.3660 +07 198 -11 21:13:24 +57.5661 +026.5729 +08 197 -11 21:13:28 +57.2029 +025.8169 +08 196 -11 21:13:32 +56.8672 +025.0917 +09 196 -11 21:13:35 +56.5547 +024.3926 +09 195 -11 21:13:39 +56.2625 +023.7159 +10 195 -12 21:13:43 +55.9881 +023.0587 +10 194 -12 21:13:46 +55.7295 +022.4186 +10 193 -12 21:13:50 +55.4851 +021.7938 +11 193 -12 21:13:54 +55.2536 +021.1826 +11 192 -12 21:13:57 +55.0338 +020.5836 +11 192 -12 21:14:01 +54.8248 +019.9957 +11 191 -12 21:14:05 +54.6257 +019.4179 +12 191 -12 21:14:09 +54.4359 +018.8492 +12 190 -12 21:14:12 +54.2547 +018.2889 +12 190 -12 21:14:16 +54.0816 +017.7364 +12 189 -12 21:14:20 +53.9161 +017.1909 +13 189 -12 21:14:23 +53.7577 +016.6519 +13 188 -12 21:14:27 +53.6061 +016.1190 +13 188 -12 21:14:31 +53.4610 +015.5917 +13 187 -12 21:14:34 +53.3221 +015.0695 +13 187 -12 21:14:38 +53.1890 +014.5521 +14 186 -12 21:14:42 +53.0615 +014.0392 +14 186 -12 21:14:45 +52.9394 +013.5305 +14 185 -12 21:14:49 +52.8225 +013.0255 +14 185 -12 21:14:53 +52.7106 +012.5241 +14 184 -12 21:14:56 +52.6036 +012.0260 +14 184 -12 21:15:00 +52.5012 +011.5310 +14 184 -12 21:15:04 +52.4033 +011.0388 +14 183 -12 21:15:07 +52.3099 +010.5492 +15 183 -12 21:15:11 +52.2208 +010.0620 +15 182 -12 21:15:15 +52.1358 +009.5771 +15 182 -12 21:15:18 +52.0550 +009.0942 +15 181 -12 21:15:22 +51.9781 +008.6131 +15 181 -12 21:15:26 +51.9051 +008.1337 +15 180 -12 21:15:29 +51.8360 +007.6559 +15 180 -12 21:15:33 +51.7706 +007.1794 +15 180 -11 21:15:37 +51.7090 +006.7042 +15 179 -11 21:15:40 +51.6510 +006.2300 +15 179 -11 21:15:44 +51.5965 +005.7568 +15 178 -11 21:15:48 +51.5457 +005.2844 +15 178 -11 21:15:51 +51.4984 +004.8126 +15 177 -11 21:15:55 +51.4545 +004.3413 +15 177 -11 21:15:59 +51.4141 +003.8704 +15 176 -11 21:16:02 +51.3772 +003.3998 +15 176 -10 21:16:06 +51.3436 +002.9294 +15 176 -10 21:16:10 +51.3135 +002.4589 +15 175 -10 21:16:13 +51.2867 +001.9883 +15 175 -10 21:16:17 +51.2633 +001.5174 +15 174 -10 21:16:21 +51.2433 +001.0461 +15 174 -10 21:16:24 +51.2266 +000.5743 +15 173 -09 21:16:28 +51.2134 +000.1019 +15 173 -09 21:16:32 +51.2035 -000.3713 +15 173 -09 21:16:35 +51.1970 -000.8454 +15 172 -09 21:16:39 +51.1940 -001.3206 +15 172 -09 21:16:43 +51.1944 -001.7969 +15 171 -09 21:16:46 +51.1983 -002.2747 +15 171 -08 21:16:50 +51.2057 -002.7539 +15 170 -08 21:16:54 +51.2166 -003.2347 +15 170 -08 21:16:58 +51.2312 -003.7173 +15 170 -08 21:17:01 +51.2494 -004.2019 +15 169 -08 21:17:05 +51.2713 -004.6886 +15 169 -07 21:17:09 +51.2969 -005.1777 +15 168 -07 21:17:12 +51.3264 -005.6692 +15 168 -07 21:17:16 +51.3598 -006.1634 +15 167 -07 21:17:20 +51.3972 -006.6605 +15 167 -06 21:17:23 +51.4387 -007.1607 +14 166 -06 21:17:27 +51.4844 -007.6642 +14 166 -06 21:17:31 +51.5344 -008.1714 +14 165 -06 21:17:34 +51.5888 -008.6823 +14 165 -05 21:17:38 +51.6478 -009.1974 +14 165 -05 21:17:42 +51.7115 -009.7169 +14 164 -05 21:17:45 +51.7801 -010.2411 +14 164 -05 21:17:49 +51.8537 -010.7703 +13 163 -04 21:17:53 +51.9327 -011.3050 +13 163 -04 21:17:56 +52.0171 -011.8456 +13 162 -04 21:18:00 +52.1073 -012.3924 +13 162 -03 21:18:04 +52.2035 -012.9460 +13 161 -03 21:18:07 +52.3060 -013.5069 +13 161 -03 21:18:11 +52.4152 -014.0757 +12 160 -02 21:18:15 +52.5315 -014.6531 +12 160 -02 21:18:18 +52.6553 -015.2397 +12 159 -02 21:18:22 +52.7872 -015.8365 +12 159 -01 21:18:26 +52.9276 -016.4444 +11 158 -01 21:18:29 +53.0773 -017.0644 +11 158 -01 21:18:33 +53.2370 -017.6978 +11 157 +00 21:18:37 +53.4076 -018.3460 +10 156 +00 21:18:40 +53.5902 -019.0108 +10 156 +01 21:18:44 +53.7861 -019.6942 +10 155 +01 21:18:48 +53.9967 -020.3985 +09 155 +01 21:18:51 +54.2241 -021.1269 +09 154 +02 21:18:55 +54.4704 -021.8830 +09 153 +02 21:18:59 +54.7389 -022.6717 +08 153 +03 21:19:02 +55.0334 -023.4991 +08 152 +04 21:19:06 +55.3594 -024.3738 +07 151 +04 21:19:10 +55.7247 -025.3079 +07 151 +05 21:19:13 +56.1408 -026.3196 +06 150 +05 21:19:17 +56.6270 -027.4386 +05 149 +06 21:19:21 +57.2190 -028.7207 +04 148 +07 21:19:24 +58.0018 -030.2976 +03 146 +08 21:19:28 +59.3662 -032.7741 +01 144 +10 Longitude measured positiv to the East.

Occultation Ground Track

 Time[UT] | Lat----CENTR----Lon | Alt hh:mm:ss | +DD.dddd  +DDD.dddd | deg ---------------------------------------------- 21:12:59   +62.1179  +034.1520   +02  204  -07 21:13:02   +60.9230  +032.4507   +04  202  -08 21:13:06   +60.1002  +031.1707   +05  201  -09 21:13:10   +59.4431  +030.0796   +06  200  -09 21:13:13   +58.8862  +029.1029   +06  199  -10 21:13:17   +58.3984  +028.2051   +07  198  -10 21:13:21   +57.9621  +027.3660   +07  198  -11 21:13:24   +57.5661  +026.5729   +08  197  -11 21:13:28   +57.2029  +025.8169   +08  196  -11 21:13:32   +56.8672  +025.0917   +09  196  -11 21:13:35   +56.5547  +024.3926   +09  195  -11 21:13:39   +56.2625  +023.7159   +10  195  -12 21:13:43   +55.9881  +023.0587   +10  194  -12 21:13:46   +55.7295  +022.4186   +10  193  -12 21:13:50   +55.4851  +021.7938   +11  193  -12 21:13:54   +55.2536  +021.1826   +11  192  -12 21:13:57   +55.0338  +020.5836   +11  192  -12 21:14:01   +54.8248  +019.9957   +11  191  -12 21:14:05   +54.6257  +019.4179   +12  191  -12 21:14:09   +54.4359  +018.8492   +12  190  -12 21:14:12   +54.2547  +018.2889   +12  190  -12 21:14:16   +54.0816  +017.7364   +12  189  -12 21:14:20   +53.9161  +017.1909   +13  189  -12 21:14:23   +53.7577  +016.6519   +13  188  -12 21:14:27   +53.6061  +016.1190   +13  188  -12 21:14:31   +53.4610  +015.5917   +13  187  -12 21:14:34   +53.3221  +015.0695   +13  187  -12 21:14:38   +53.1890  +014.5521   +14  186  -12 21:14:42   +53.0615  +014.0392   +14  186  -12 21:14:45   +52.9394  +013.5305   +14  185  -12 21:14:49   +52.8225  +013.0255   +14  185  -12 21:14:53   +52.7106  +012.5241   +14  184  -12 21:14:56   +52.6036  +012.0260   +14  184  -12 21:15:00   +52.5012  +011.5310   +14  184  -12 21:15:04   +52.4033  +011.0388   +14  183  -12 21:15:07   +52.3099  +010.5492   +15  183  -12 21:15:11   +52.2208  +010.0620   +15  182  -12 21:15:15   +52.1358  +009.5771   +15  182  -12 21:15:18   +52.0550  +009.0942   +15  181  -12 21:15:22   +51.9781  +008.6131   +15  181  -12 21:15:26   +51.9051  +008.1337   +15  180  -12 21:15:29   +51.8360  +007.6559   +15  180  -12 21:15:33   +51.7706  +007.1794   +15  180  -11 21:15:37   +51.7090  +006.7042   +15  179  -11 21:15:40   +51.6510  +006.2300   +15  179  -11 21:15:44   +51.5965  +005.7568   +15  178  -11 21:15:48   +51.5457  +005.2844   +15  178  -11 21:15:51   +51.4984  +004.8126   +15  177  -11 21:15:55   +51.4545  +004.3413   +15  177  -11 21:15:59   +51.4141  +003.8704   +15  176  -11 21:16:02   +51.3772  +003.3998   +15  176  -10 21:16:06   +51.3436  +002.9294   +15  176  -10 21:16:10   +51.3135  +002.4589   +15  175  -10 21:16:13   +51.2867  +001.9883   +15  175  -10 21:16:17   +51.2633  +001.5174   +15  174  -10 21:16:21   +51.2433  +001.0461   +15  174  -10 21:16:24   +51.2266  +000.5743   +15  173  -09 21:16:28   +51.2134  +000.1019   +15  173  -09 21:16:32   +51.2035  -000.3713   +15  173  -09 21:16:35   +51.1970  -000.8454   +15  172  -09 21:16:39   +51.1940  -001.3206   +15  172  -09 21:16:43   +51.1944  -001.7969   +15  171  -09 21:16:46   +51.1983  -002.2747   +15  171  -08 21:16:50   +51.2057  -002.7539   +15  170  -08 21:16:54   +51.2166  -003.2347   +15  170  -08 21:16:58   +51.2312  -003.7173   +15  170  -08 21:17:01   +51.2494  -004.2019   +15  169  -08 21:17:05   +51.2713  -004.6886   +15  169  -07 21:17:09   +51.2969  -005.1777   +15  168  -07 21:17:12   +51.3264  -005.6692   +15  168  -07 21:17:16   +51.3598  -006.1634   +15  167  -07 21:17:20   +51.3972  -006.6605   +15  167  -06 21:17:23   +51.4387  -007.1607   +14  166  -06 21:17:27   +51.4844  -007.6642   +14  166  -06 21:17:31   +51.5344  -008.1714   +14  165  -06 21:17:34   +51.5888  -008.6823   +14  165  -05 21:17:38   +51.6478  -009.1974   +14  165  -05 21:17:42   +51.7115  -009.7169   +14  164  -05 21:17:45   +51.7801  -010.2411   +14  164  -05 21:17:49   +51.8537  -010.7703   +13  163  -04 21:17:53   +51.9327  -011.3050   +13  163  -04 21:17:56   +52.0171  -011.8456   +13  162  -04 21:18:00   +52.1073  -012.3924   +13  162  -03 21:18:04   +52.2035  -012.9460   +13  161  -03 21:18:07   +52.3060  -013.5069   +13  161  -03 21:18:11   +52.4152  -014.0757   +12  160  -02 21:18:15   +52.5315  -014.6531   +12  160  -02 21:18:18   +52.6553  -015.2397   +12  159  -02 21:18:22   +52.7872  -015.8365   +12  159  -01 21:18:26   +52.9276  -016.4444   +11  158  -01 21:18:29   +53.0773  -017.0644   +11  158  -01 21:18:33   +53.2370  -017.6978   +11  157  +00 21:18:37   +53.4076  -018.3460   +10  156  +00 21:18:40   +53.5902  -019.0108   +10  156  +01 21:18:44   +53.7861  -019.6942   +10  155  +01 21:18:48   +53.9967  -020.3985   +09  155  +01 21:18:51   +54.2241  -021.1269   +09  154  +02 21:18:55   +54.4704  -021.8830   +09  153  +02 21:18:59   +54.7389  -022.6717   +08  153  +03 21:19:02   +55.0334  -023.4991   +08  152  +04 21:19:06   +55.3594  -024.3738   +07  151  +04 21:19:10   +55.7247  -025.3079   +07  151  +05 21:19:13   +56.1408  -026.3196   +06  150  +05 21:19:17   +56.6270  -027.4386   +05  149  +06 21:19:21   +57.2190  -028.7207   +04  148  +07 21:19:24   +58.0018  -030.2976   +03  146  +08 21:19:28   +59.3662  -032.7741   +01  144  +10

Longitude measured positiv to the East.

------------------------------------------------------------------------------------------- Azm Sun | Lat----EDGE1----Lon | Lat----EDGE2----Lon deg deg | +DD.dddd +DDD.dddd | +DD.dddd +DDD.dddd --------------------------------------------- +56.8353 +030.2555 -- -- +56.4336 +029.4419 -- -- +56.0639 +028.6679 -- -- +55.7209 +027.9267 -- -- +55.4009 +027.2135 -- -- +55.1007 +026.5243 -- -- +54.8181 +025.8561 -- -- +54.5511 +025.2064 +63.2552 +030.1829 +54.2980 +024.5731 +62.0201 +028.5779 +54.0577 +023.9545 +61.2023 +027.3807 +53.8289 +023.3492 +60.5577 +026.3552 +53.6108 +022.7559 +60.0152 +025.4318 +53.4025 +022.1736 +59.5426 +024.5784 +53.2033 +021.6012 +59.1216 +023.7770 +53.0126 +021.0380 +58.7409 +023.0160 +52.8299 +020.4833 +58.3930 +022.2878 +52.6546 +019.9364 +58.0724 +021.5867 +52.4863 +019.3966 +57.7750 +020.9085 +52.3248 +018.8636 +57.4977 +020.2500 +52.1695 +018.3367 +57.2382 +019.6087 +52.0202 +017.8157 +56.9945 +018.9824 +51.8767 +017.3000 +56.7649 +018.3695 +51.7387 +016.7893 +56.5482 +017.7684 +51.6059 +016.2834 +56.3433 +017.1780 +51.4781 +015.7818 +56.1491 +016.5972 +51.3552 +015.2843 +55.9650 +016.0252 +51.2369 +014.7906 +55.7902 +015.4611 +51.1232 +014.3005 +55.6240 +014.9041 +51.0138 +013.8138 +55.4661 +014.3538 +50.9087 +013.3302 +55.3158 +013.8095 +50.8076 +012.8495 +55.1729 +013.2707 +50.7106 +012.3715 +55.0369 +012.7370 +50.6174 +011.8961 +54.9074 +012.2080 +50.5280 +011.4231 +54.7843 +011.6832 +50.4423 +010.9523 +54.6673 +011.1623 +50.3602 +010.4836 +54.5560 +010.6450 +50.2816 +010.0167 +54.4504 +010.1310 +50.2065 +009.5516 +54.3502 +009.6200 +50.1348 +009.0882 +54.2552 +009.1117 +50.0664 +008.6262 +54.1653 +008.6059 +50.0013 +008.1656 +54.0803 +008.1023 +49.9395 +007.7062 +54.0002 +007.6007 +49.8808 +007.2479 +53.9248 +007.1009 +49.8252 +006.7906 +53.8540 +006.6028 +49.7728 +006.3342 +53.7877 +006.1060 +49.7234 +005.8786 +53.7258 +005.6104 +49.6771 +005.4236 +53.6684 +005.1158 +49.6338 +004.9692 +53.6152 +004.6220 +49.5934 +004.5152 +53.5662 +004.1289 +49.5561 +004.0615 +53.5215 +003.6363 +49.5217 +003.6080 +53.4809 +003.1440 +49.4902 +003.1547 +53.4445 +002.6518 +49.4616 +002.7014 +53.4122 +002.1595 +49.4360 +002.2480 +53.3840 +001.6671 +49.4132 +001.7944 +53.3598 +001.1742 +49.3934 +001.3406 +53.3397 +000.6808 +49.3765 +000.8863 +53.3238 +000.1867 +49.3624 +000.4315 +53.3119 -000.3083 +49.3513 -000.0238 +53.3041 -000.8044 +49.3432 -000.4799 +53.3005 -001.3017 +49.3379 -000.9368 +53.3010 -001.8005 +49.3357 -001.3947 +53.3058 -002.3009 +49.3364 -001.8536 +53.3148 -002.8031 +49.3401 -002.3136 +53.3281 -003.3074 +49.3468 -002.7749 +53.3458 -003.8139 +49.3566 -003.2377 +53.3680 -004.3229 +49.3694 -003.7019 +53.3947 -004.8346 +49.3854 -004.1678 +53.4260 -005.3492 +49.4046 -004.6355 +53.4621 -005.8671 +49.4270 -005.1051 +53.5031 -006.3884 +49.4526 -005.5768 +53.5491 -006.9135 +49.4815 -006.0507 +53.6002 -007.4427 +49.5138 -006.5270 +53.6567 -007.9764 +49.5496 -007.0059 +53.7186 -008.5148 +49.5889 -007.4874 +53.7863 -009.0584 +49.6318 -007.9718 +53.8600 -009.6076 +49.6783 -008.4593 +53.9399 -010.1628 +49.7286 -008.9501 +54.0263 -010.7247 +49.7828 -009.4444 +54.1196 -011.2937 +49.8410 -009.9424 +54.2201 -011.8705 +49.9033 -010.4444 +54.3283 -012.4558 +49.9698 -010.9506 +54.4446 -013.0503 +50.0407 -011.4613 +54.5697 -013.6550 +50.1161 -011.9768 +54.7041 -014.2710 +50.1963 -012.4975 +54.8486 -014.8992 +50.2813 -013.0235 +55.0042 -015.5412 +50.3715 -013.5555 +55.1718 -016.1986 +50.4669 -014.0937 +55.3527 -016.8732 +50.5680 -014.6386 +55.5485 -017.5673 +50.6749 -015.1907 +55.7610 -018.2839 +50.7880 -015.7505 +55.9925 -019.0263 +50.9076 -016.3187 +56.2462 -019.7991 +51.0342 -016.8959 +56.5260 -020.6083 +51.1681 -017.4829 +56.8375 -021.4619 +51.3098 -018.0806 +57.1884 -022.3715 +51.4600 -018.6898 +57.5908 -023.3546 +51.6193 -019.3118 +58.0645 -024.4400 +51.7885 -019.9477 +58.6477 -025.6832 +51.9684 -020.5990 +59.4346 -027.2203 +52.1600 -021.2676 +60.9764 -029.8440 +52.3647 -021.9554 -- -- +52.5839 -022.6650 -- -- +52.8194 -023.3993 -- -- +53.0736 -024.1622 -- -- +53.3494 -024.9584 -- -- +53.6506 -025.7943 -- -- +53.9822 -026.6782 -- -- 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.