Cora»OccDetail

Stellar Occultation by (9031) 1989 WG4 on 2024-07-25 (21:00:48 UT)

Event Details
Occultation UUID [and db] : 323a5c70-ddb5-11f0-547e-9821db7f7d57 [observed] Occultation Date + Time : 2024-07-25 at 21:00:48 UT +/- 0.0 min [1] Object Designation : (9031) 1989 WG4 Star Designation : GDR3 4065545025177573376 Star Coordinates (ICRF) : RA = 18 17 42.3164, DE = -23 50 47.442 [2] Star Magnitudes : G = 14.37 mag, RP = 13.26 mag, BP = 15.57 mag Object Magnitude : V = 17.62 mag Estimated Magnitude Drop : 3.3 mag Estimated Max. Duration : 0.6 sec Speed of the shadow : 7.7 km/s Object Mean Diameter : 4.7 km (src: astorb) => apparent = 5 mas Apparent Motion : 0.4583 arcs/min @ PA = 254 deg Horizontal Parallax : 6.3100 arcs Dynamical Class : MBA Elongation to Moon & Sun : 90° (sunlit = 75%), Sun = 151° Cross-track uncertainty : 0.4 mas = 0 km = 0.09 path-width (1-sig) RUWE and duplicate source : 1.12 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#67 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

 Occultation UUID [and db] : 323a5c70-ddb5-11f0-547e-9821db7f7d57 [observed]

 Occultation Date + Time   : 2024-07-25 at 21:00:48 UT +/- 0.0 min  [1]
 Object Designation        : (9031) 1989 WG4
 Star Designation          : GDR3 4065545025177573376
 Star Coordinates (ICRF)   : RA = 18 17 42.3164, DE = -23 50 47.442  [2]
 Star Magnitudes           : G = 14.37 mag, RP = 13.26 mag, BP = 15.57 mag
 Object Magnitude          : V = 17.62 mag
 Estimated Magnitude Drop  : 3.3 mag
 Estimated Max. Duration   : 0.6 sec
 Speed of the shadow       : 7.7 km/s
 Object Mean Diameter      : 4.7 km  (src: astorb) => apparent = 5 mas
 Apparent Motion           : 0.4583 arcs/min @ PA = 254 deg
 Horizontal Parallax       : 6.3100 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 90° (sunlit = 75%), Sun = 151°
 Cross-track uncertainty   : 0.4 mas = 0 km = 0.09 path-width (1-sig)
 RUWE and duplicate source : 1.12 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#67
 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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Interactive map

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Occultation Ground Track
Time[UT] \| Lat----CENTR----Lon \| Alt hh:mm:ss \| +DD.dddd +DDD.dddd \| deg ---------------------------------------------- 20:55:13 +62.0219 +034.4123 +03 196 -08 20:55:20 +59.5543 +031.9990 +06 194 -10 20:55:28 +57.9548 +030.2892 +07 193 -11 20:55:35 +56.6899 +028.8536 +09 191 -12 20:55:43 +55.6180 +027.5767 +10 190 -13 20:55:50 +54.6759 +026.4066 +11 189 -14 20:55:58 +53.8290 +025.3148 +12 188 -14 20:56:05 +53.0561 +024.2833 +13 187 -15 20:56:13 +52.3427 +023.3000 +14 187 -15 20:56:20 +51.6786 +022.3563 +14 186 -16 20:56:28 +51.0565 +021.4459 +15 185 -16 20:56:35 +50.4704 +020.5637 +16 184 -16 20:56:43 +49.9161 +019.7060 +16 183 -16 20:56:50 +49.3898 +018.8695 +17 183 -17 20:56:58 +48.8885 +018.0516 +17 182 -17 20:57:05 +48.4100 +017.2504 +18 181 -17 20:57:13 +47.9522 +016.4638 +18 180 -17 20:57:20 +47.5133 +015.6904 +19 180 -17 20:57:28 +47.0918 +014.9288 +19 179 -17 20:57:35 +46.6865 +014.1778 +19 178 -17 20:57:43 +46.2963 +013.4364 +20 178 -18 20:57:50 +45.9202 +012.7038 +20 177 -18 20:57:58 +45.5574 +011.9789 +21 176 -18 20:58:05 +45.2071 +011.2612 +21 176 -18 20:58:13 +44.8686 +010.5500 +21 175 -18 20:58:20 +44.5414 +009.8445 +21 174 -18 20:58:28 +44.2249 +009.1444 +22 173 -18 20:58:35 +43.9186 +008.4490 +22 173 -18 20:58:43 +43.6220 +007.7579 +22 172 -17 20:58:50 +43.3349 +007.0706 +22 172 -17 20:58:58 +43.0569 +006.3868 +23 171 -17 20:59:05 +42.7875 +005.7060 +23 170 -17 20:59:13 +42.5266 +005.0279 +23 170 -17 20:59:20 +42.2739 +004.3521 +23 169 -17 20:59:28 +42.0291 +003.6782 +23 168 -17 20:59:35 +41.7921 +003.0061 +23 168 -17 20:59:43 +41.5626 +002.3352 +23 167 -17 20:59:50 +41.3404 +001.6655 +24 166 -16 20:59:58 +41.1254 +000.9965 +24 166 -16 21:00:05 +40.9175 +000.3280 +24 165 -16 21:00:13 +40.7166 -000.3403 +24 164 -16 21:00:20 +40.5224 -001.0086 +24 164 -16 21:00:28 +40.3350 -001.6773 +24 163 -15 21:00:35 +40.1542 -002.3465 +24 162 -15 21:00:43 +39.9799 -003.0166 +24 162 -15 21:00:50 +39.8122 -003.6879 +24 161 -15 21:00:58 +39.6509 -004.3605 +24 160 -14 21:01:05 +39.4960 -005.0347 +24 160 -14 21:01:13 +39.3475 -005.7109 +24 159 -14 21:01:20 +39.2054 -006.3893 +24 159 -13 21:01:28 +39.0696 -007.0702 +24 158 -13 21:01:35 +38.9402 -007.7539 +24 157 -13 21:01:43 +38.8173 -008.4406 +24 157 -13 21:01:50 +38.7007 -009.1307 +24 156 -12 21:01:58 +38.5906 -009.8246 +23 155 -12 21:02:05 +38.4870 -010.5225 +23 155 -11 21:02:13 +38.3900 -011.2248 +23 154 -11 21:02:20 +38.2997 -011.9319 +23 153 -11 21:02:28 +38.2162 -012.6441 +23 153 -10 21:02:35 +38.1396 -013.3619 +23 152 -10 21:02:43 +38.0700 -014.0858 +22 152 -10 21:02:50 +38.0076 -014.8161 +22 151 -09 21:02:58 +37.9525 -015.5535 +22 150 -09 21:03:05 +37.9050 -016.2984 +22 150 -08 21:03:13 +37.8653 -017.0515 +22 149 -08 21:03:20 +37.8336 -017.8133 +21 148 -07 21:03:28 +37.8102 -018.5847 +21 148 -07 21:03:35 +37.7954 -019.3663 +21 147 -06 21:03:43 +37.7897 -020.1591 +20 146 -06 21:03:50 +37.7934 -020.9639 +20 146 -05 21:03:58 +37.8070 -021.7818 +20 145 -05 21:04:05 +37.8311 -022.6141 +19 144 -04 21:04:13 +37.8662 -023.4620 +19 144 -04 21:04:20 +37.9131 -024.3271 +18 143 -03 21:04:28 +37.9726 -025.2112 +18 142 -02 21:04:35 +38.0458 -026.1162 +17 142 -02 21:04:43 +38.1336 -027.0446 +17 141 -01 21:04:50 +38.2376 -027.9992 +16 140 +00 21:04:58 +38.3594 -028.9834 +16 139 +00 21:05:05 +38.5009 -030.0013 +15 139 +01 21:05:13 +38.6647 -031.0579 +15 138 +02 21:05:20 +38.8541 -032.1598 +14 137 +03 21:05:28 +39.0730 -033.3154 +13 136 +04 21:05:35 +39.3271 -034.5357 +12 135 +05 21:05:43 +39.6240 -035.8364 +11 135 +06 21:05:50 +39.9751 -037.2401 +10 134 +07 21:05:58 +40.3978 -038.7827 +09 133 +08 21:06:05 +40.9231 -040.5261 +08 131 +09 21:06:13 +41.6142 -042.5991 +06 130 +11 21:06:20 +42.6587 -045.3818 +04 128 +13 Longitude measured positiv to the East.

Occultation Ground Track

 Time[UT] | Lat----CENTR----Lon | Alt hh:mm:ss | +DD.dddd  +DDD.dddd | deg ---------------------------------------------- 20:55:13   +62.0219  +034.4123   +03  196  -08 20:55:20   +59.5543  +031.9990   +06  194  -10 20:55:28   +57.9548  +030.2892   +07  193  -11 20:55:35   +56.6899  +028.8536   +09  191  -12 20:55:43   +55.6180  +027.5767   +10  190  -13 20:55:50   +54.6759  +026.4066   +11  189  -14 20:55:58   +53.8290  +025.3148   +12  188  -14 20:56:05   +53.0561  +024.2833   +13  187  -15 20:56:13   +52.3427  +023.3000   +14  187  -15 20:56:20   +51.6786  +022.3563   +14  186  -16 20:56:28   +51.0565  +021.4459   +15  185  -16 20:56:35   +50.4704  +020.5637   +16  184  -16 20:56:43   +49.9161  +019.7060   +16  183  -16 20:56:50   +49.3898  +018.8695   +17  183  -17 20:56:58   +48.8885  +018.0516   +17  182  -17 20:57:05   +48.4100  +017.2504   +18  181  -17 20:57:13   +47.9522  +016.4638   +18  180  -17 20:57:20   +47.5133  +015.6904   +19  180  -17 20:57:28   +47.0918  +014.9288   +19  179  -17 20:57:35   +46.6865  +014.1778   +19  178  -17 20:57:43   +46.2963  +013.4364   +20  178  -18 20:57:50   +45.9202  +012.7038   +20  177  -18 20:57:58   +45.5574  +011.9789   +21  176  -18 20:58:05   +45.2071  +011.2612   +21  176  -18 20:58:13   +44.8686  +010.5500   +21  175  -18 20:58:20   +44.5414  +009.8445   +21  174  -18 20:58:28   +44.2249  +009.1444   +22  173  -18 20:58:35   +43.9186  +008.4490   +22  173  -18 20:58:43   +43.6220  +007.7579   +22  172  -17 20:58:50   +43.3349  +007.0706   +22  172  -17 20:58:58   +43.0569  +006.3868   +23  171  -17 20:59:05   +42.7875  +005.7060   +23  170  -17 20:59:13   +42.5266  +005.0279   +23  170  -17 20:59:20   +42.2739  +004.3521   +23  169  -17 20:59:28   +42.0291  +003.6782   +23  168  -17 20:59:35   +41.7921  +003.0061   +23  168  -17 20:59:43   +41.5626  +002.3352   +23  167  -17 20:59:50   +41.3404  +001.6655   +24  166  -16 20:59:58   +41.1254  +000.9965   +24  166  -16 21:00:05   +40.9175  +000.3280   +24  165  -16 21:00:13   +40.7166  -000.3403   +24  164  -16 21:00:20   +40.5224  -001.0086   +24  164  -16 21:00:28   +40.3350  -001.6773   +24  163  -15 21:00:35   +40.1542  -002.3465   +24  162  -15 21:00:43   +39.9799  -003.0166   +24  162  -15 21:00:50   +39.8122  -003.6879   +24  161  -15 21:00:58   +39.6509  -004.3605   +24  160  -14 21:01:05   +39.4960  -005.0347   +24  160  -14 21:01:13   +39.3475  -005.7109   +24  159  -14 21:01:20   +39.2054  -006.3893   +24  159  -13 21:01:28   +39.0696  -007.0702   +24  158  -13 21:01:35   +38.9402  -007.7539   +24  157  -13 21:01:43   +38.8173  -008.4406   +24  157  -13 21:01:50   +38.7007  -009.1307   +24  156  -12 21:01:58   +38.5906  -009.8246   +23  155  -12 21:02:05   +38.4870  -010.5225   +23  155  -11 21:02:13   +38.3900  -011.2248   +23  154  -11 21:02:20   +38.2997  -011.9319   +23  153  -11 21:02:28   +38.2162  -012.6441   +23  153  -10 21:02:35   +38.1396  -013.3619   +23  152  -10 21:02:43   +38.0700  -014.0858   +22  152  -10 21:02:50   +38.0076  -014.8161   +22  151  -09 21:02:58   +37.9525  -015.5535   +22  150  -09 21:03:05   +37.9050  -016.2984   +22  150  -08 21:03:13   +37.8653  -017.0515   +22  149  -08 21:03:20   +37.8336  -017.8133   +21  148  -07 21:03:28   +37.8102  -018.5847   +21  148  -07 21:03:35   +37.7954  -019.3663   +21  147  -06 21:03:43   +37.7897  -020.1591   +20  146  -06 21:03:50   +37.7934  -020.9639   +20  146  -05 21:03:58   +37.8070  -021.7818   +20  145  -05 21:04:05   +37.8311  -022.6141   +19  144  -04 21:04:13   +37.8662  -023.4620   +19  144  -04 21:04:20   +37.9131  -024.3271   +18  143  -03 21:04:28   +37.9726  -025.2112   +18  142  -02 21:04:35   +38.0458  -026.1162   +17  142  -02 21:04:43   +38.1336  -027.0446   +17  141  -01 21:04:50   +38.2376  -027.9992   +16  140  +00 21:04:58   +38.3594  -028.9834   +16  139  +00 21:05:05   +38.5009  -030.0013   +15  139  +01 21:05:13   +38.6647  -031.0579   +15  138  +02 21:05:20   +38.8541  -032.1598   +14  137  +03 21:05:28   +39.0730  -033.3154   +13  136  +04 21:05:35   +39.3271  -034.5357   +12  135  +05 21:05:43   +39.6240  -035.8364   +11  135  +06 21:05:50   +39.9751  -037.2401   +10  134  +07 21:05:58   +40.3978  -038.7827   +09  133  +08 21:06:05   +40.9231  -040.5261   +08  131  +09 21:06:13   +41.6142  -042.5991   +06  130  +11 21:06:20   +42.6587  -045.3818   +04  128  +13

Longitude measured positiv to the East.

------------------------------------------------------------------------------------------- Azm Sun | Lat----EDGE1----Lon | Lat----EDGE2----Lon deg deg | +DD.dddd +DDD.dddd | +DD.dddd +DDD.dddd --------------------------------------------- +61.6960 +034.2304 +62.3873 +034.6235 +59.3699 +031.9246 +59.7447 +032.0773 +57.8107 +030.2442 +58.1017 +030.3358 +56.5668 +028.8233 +56.8148 +028.8847 +55.5081 +027.5555 +55.7290 +027.5983 +54.5754 +026.3918 +54.7772 +026.4219 +53.7356 +025.3046 +53.9231 +025.3253 +52.9683 +024.2766 +53.1445 +024.2901 +52.2593 +023.2962 +52.4265 +023.3039 +51.5991 +022.3549 +51.7586 +022.3579 +50.9801 +021.4464 +51.1332 +021.4454 +50.3968 +020.5659 +50.5445 +020.5616 +49.8448 +019.7096 +49.9877 +019.7023 +49.3205 +018.8744 +49.4592 +018.8645 +48.8212 +018.0577 +48.9562 +018.0456 +48.3443 +017.2574 +48.4760 +017.2433 +47.8880 +016.4717 +48.0166 +016.4558 +47.4504 +015.6992 +47.5763 +015.6816 +47.0301 +014.9383 +47.1537 +014.9192 +46.6260 +014.1881 +46.7473 +014.1675 +46.2368 +013.4473 +46.3560 +013.4255 +45.8616 +012.7153 +45.9790 +012.6922 +45.4997 +011.9910 +45.6153 +011.9668 +45.1502 +011.2738 +45.2642 +011.2486 +44.8124 +010.5631 +44.9250 +010.5368 +44.4859 +009.8582 +44.5971 +009.8309 +44.1700 +009.1585 +44.2799 +009.1302 +43.8642 +008.4635 +43.9730 +008.4344 +43.5683 +007.7729 +43.6759 +007.7429 +43.2816 +007.0860 +43.3883 +007.0552 +43.0040 +006.4026 +43.1098 +006.3709 +42.7351 +005.7222 +42.8400 +005.6897 +42.4747 +005.0445 +42.5787 +005.0112 +42.2223 +004.3691 +42.3256 +004.3350 +41.9779 +003.6956 +42.0805 +003.6608 +41.7412 +003.0238 +41.8431 +002.9882 +41.5119 +002.3534 +41.6133 +002.3171 +41.2901 +001.6840 +41.3909 +001.6469 +41.0754 +001.0154 +41.1756 +000.9776 +40.8677 +000.3473 +40.9675 +000.3087 +40.6669 -000.3206 +40.7663 -000.3600 +40.4729 -000.9886 +40.5720 -001.0287 +40.2857 -001.6569 +40.3844 -001.6977 +40.1050 -002.3257 +40.2034 -002.3674 +39.9309 -002.9955 +40.0290 -003.0379 +39.7633 -003.6663 +39.8612 -003.7095 +39.6021 -004.3385 +39.6998 -004.3825 +39.4473 -005.0123 +39.5448 -005.0572 +39.2989 -005.6881 +39.3962 -005.7338 +39.1568 -006.3661 +39.2541 -006.4127 +39.0211 -007.0465 +39.1183 -007.0940 +38.8917 -007.7297 +38.9889 -007.7781 +38.7687 -008.4160 +38.8659 -008.4653 +38.6521 -009.1056 +38.7493 -009.1560 +38.5420 -009.7989 +38.6393 -009.8503 +38.4384 -010.4963 +38.5358 -010.5488 +38.3413 -011.1980 +38.4389 -011.2516 +38.2509 -011.9046 +38.3487 -011.9593 +38.1673 -012.6162 +38.2653 -012.6721 +38.0905 -013.3334 +38.1888 -013.3906 +38.0207 -014.0566 +38.1193 -014.1151 +37.9581 -014.7863 +38.0571 -014.8461 +37.9028 -015.5229 +38.0022 -015.5842 +37.8551 -016.2670 +37.9550 -016.3299 +37.8151 -017.0193 +37.9155 -017.0838 +37.7831 -017.7803 +37.8841 -017.8465 +37.7594 -018.5507 +37.8611 -018.6188 +37.7443 -019.3313 +37.8467 -019.4015 +37.7381 -020.1230 +37.8414 -020.1953 +37.7414 -020.9267 +37.8456 -021.0012 +37.7545 -021.7435 +37.8597 -021.8204 +37.7779 -022.5744 +37.8844 -022.6540 +37.8124 -023.4209 +37.9201 -023.5034 +37.8586 -024.2844 +37.9678 -024.3701 +37.9173 -025.1667 +38.0281 -025.2559 +37.9896 -026.0699 +38.1021 -026.1629 +38.0764 -026.9961 +38.1910 -027.0935 +38.1793 -027.9483 +38.2961 -028.0505 +38.2997 -028.9298 +38.4192 -029.0374 +38.4397 -029.9445 +38.5623 -030.0584 +38.6018 -030.9976 +38.7279 -031.1187 +38.7891 -032.0953 +38.9194 -032.2249 +39.0055 -033.2458 +39.1409 -033.3855 +39.2565 -034.4600 +39.3981 -034.6122 +39.5496 -035.7529 +39.6990 -035.9208 +39.8955 -037.1465 +40.0553 -037.3350 +40.3112 -038.6749 +40.4854 -038.8922 +40.8257 -040.3969 +41.0218 -040.6581 +41.4979 -042.4318 +41.7332 -042.7717 +42.4932 -045.1154 +42.8339 -045.6677 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.