Cora»OccDetail

Stellar Occultation by (84721) 2002 WU2 on 2023-07-20 (21:04:12 UT)

Event Details
Occultation UUID [and db] : d5184f30-ddb3-11f0-547e-6b9197df4c30 [observed] Occultation Date + Time : 2023-07-20 at 21:04:12 UT +/- 0.02 min [1] Object Designation : (84721) 2002 WU2 Star Designation : GDR3 4069387955730990592 Star Coordinates (ICRF) : RA = 17 55 55.5743, DE = -23 04 52.839 [2] Star Magnitudes : G = 10.87 mag, RP = 10.04 mag, BP = 11.59 mag Object Magnitude : V = 20.07 mag Estimated Magnitude Drop : 9.2 mag Estimated Max. Duration : 0.3 sec Speed of the shadow : 8.8 km/s Object Mean Diameter : 2.3 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.3917 arcs/min @ PA = 255 deg Horizontal Parallax : 4.7390 arcs Dynamical Class : MBA Elongation to Moon & Sun : 117° (sunlit = 9%), Sun = 151° Cross-track uncertainty : 2.0 mas = 2 km = 1.17 path-width (1-sig) RUWE and duplicate source : 0.92 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#36 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

 Occultation UUID [and db] : d5184f30-ddb3-11f0-547e-6b9197df4c30 [observed]

 Occultation Date + Time   : 2023-07-20 at 21:04:12 UT +/- 0.02 min  [1]
 Object Designation        : (84721) 2002 WU2
 Star Designation          : GDR3 4069387955730990592
 Star Coordinates (ICRF)   : RA = 17 55 55.5743, DE = -23 04 52.839  [2]
 Star Magnitudes           : G = 10.87 mag, RP = 10.04 mag, BP = 11.59 mag
 Object Magnitude          : V = 20.07 mag
 Estimated Magnitude Drop  : 9.2 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 8.8 km/s
 Object Mean Diameter      : 2.3 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.3917 arcs/min @ PA = 255 deg
 Horizontal Parallax       : 4.7390 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 117° (sunlit = 9%), Sun = 151°
 Cross-track uncertainty   : 2.0 mas = 2 km = 1.17 path-width (1-sig)
 RUWE and duplicate source : 0.92 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#36
 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 ---------------------------------------------- 20:59:23 +63.6315 +035.2520 +02 198 -05 20:59:30 +60.4614 +032.0199 +05 195 -08 20:59:38 +58.6742 +029.9930 +07 193 -10 20:59:45 +57.3015 +028.3317 +09 192 -11 20:59:53 +56.1545 +026.8700 +10 191 -11 21:00:00 +55.1556 +025.5388 +11 189 -12 21:00:08 +54.2635 +024.3014 +12 188 -13 21:00:15 +53.4535 +023.1352 +13 187 -13 21:00:23 +52.7091 +022.0255 +14 186 -14 21:00:30 +52.0190 +020.9617 +15 185 -14 21:00:38 +51.3746 +019.9361 +15 184 -14 21:00:45 +50.7697 +018.9429 +16 183 -15 21:00:53 +50.1993 +017.9772 +17 182 -15 21:01:00 +49.6594 +017.0356 +17 182 -15 21:01:08 +49.1469 +016.1147 +18 181 -15 21:01:15 +48.6591 +015.2122 +18 180 -15 21:01:23 +48.1938 +014.3259 +19 179 -16 21:01:30 +47.7491 +013.4539 +19 178 -16 21:01:38 +47.3235 +012.5947 +20 177 -16 21:01:45 +46.9157 +011.7468 +20 177 -16 21:01:53 +46.5243 +010.9091 +20 176 -16 21:02:00 +46.1485 +010.0804 +21 175 -16 21:02:08 +45.7872 +009.2598 +21 174 -16 21:02:15 +45.4398 +008.4463 +21 174 -16 21:02:23 +45.1055 +007.6392 +21 173 -16 21:02:30 +44.7837 +006.8377 +22 172 -16 21:02:38 +44.4739 +006.0411 +22 171 -15 21:02:45 +44.1755 +005.2489 +22 170 -15 21:02:53 +43.8881 +004.4603 +22 170 -15 21:03:00 +43.6114 +003.6750 +23 169 -15 21:03:08 +43.3450 +002.8922 +23 168 -15 21:03:15 +43.0885 +002.1115 +23 167 -15 21:03:23 +42.8418 +001.3325 +23 167 -15 21:03:30 +42.6046 +000.5546 +23 166 -14 21:03:38 +42.3766 -000.2225 +23 165 -14 21:03:45 +42.1577 -000.9995 +23 164 -14 21:03:53 +41.9477 -001.7765 +23 164 -14 21:04:00 +41.7465 -002.5542 +23 163 -13 21:04:08 +41.5539 -003.3330 +23 162 -13 21:04:15 +41.3700 -004.1132 +23 161 -13 21:04:23 +41.1945 -004.8952 +23 161 -13 21:04:30 +41.0275 -005.6797 +23 160 -12 21:04:38 +40.8689 -006.4669 +23 159 -12 21:04:45 +40.7187 -007.2574 +23 158 -12 21:04:53 +40.5770 -008.0515 +23 158 -11 21:05:00 +40.4437 -008.8499 +23 157 -11 21:05:08 +40.3189 -009.6530 +23 156 -10 21:05:15 +40.2028 -010.4613 +23 155 -10 21:05:23 +40.0953 -011.2754 +22 155 -10 21:05:30 +39.9966 -012.0959 +22 154 -09 21:05:38 +39.9070 -012.9235 +22 153 -09 21:05:45 +39.8264 -013.7587 +22 152 -08 21:05:53 +39.7553 -014.6024 +22 152 -08 21:06:00 +39.6938 -015.4553 +21 151 -07 21:06:08 +39.6422 -016.3183 +21 150 -07 21:06:15 +39.6010 -017.1923 +21 149 -06 21:06:23 +39.5704 -018.0784 +21 149 -06 21:06:30 +39.5509 -018.9778 +20 148 -05 21:06:38 +39.5431 -019.8916 +20 147 -05 21:06:45 +39.5475 -020.8215 +19 146 -04 21:06:53 +39.5649 -021.7689 +19 145 -04 21:07:00 +39.5962 -022.7358 +19 145 -03 21:07:08 +39.6422 -023.7245 +18 144 -02 21:07:15 +39.7042 -024.7373 +18 143 -02 21:07:23 +39.7835 -025.7774 +17 142 -01 21:07:30 +39.8819 -026.8483 +17 141 +00 21:07:38 +40.0012 -027.9543 +16 141 +01 21:07:45 +40.1441 -029.1008 +15 140 +02 21:07:53 +40.3138 -030.2946 +15 139 +02 21:08:00 +40.5145 -031.5444 +14 138 +03 21:08:08 +40.7516 -032.8618 +13 137 +04 21:08:15 +41.0328 -034.2627 +12 136 +05 21:08:23 +41.3693 -035.7705 +11 135 +07 21:08:30 +41.7783 -037.4210 +10 134 +08 21:08:38 +42.2892 -039.2759 +09 132 +09 21:08:45 +42.9611 -041.4584 +07 131 +11 21:08:53 +43.9552 -044.3065 +05 129 +13 Longitude measured positiv to the East.

Occultation Ground Track

 Time[UT] | Lat----CENTR----Lon | Alt hh:mm:ss | +DD.dddd  +DDD.dddd | deg ---------------------------------------------- 20:59:23   +63.6315  +035.2520   +02  198  -05 20:59:30   +60.4614  +032.0199   +05  195  -08 20:59:38   +58.6742  +029.9930   +07  193  -10 20:59:45   +57.3015  +028.3317   +09  192  -11 20:59:53   +56.1545  +026.8700   +10  191  -11 21:00:00   +55.1556  +025.5388   +11  189  -12 21:00:08   +54.2635  +024.3014   +12  188  -13 21:00:15   +53.4535  +023.1352   +13  187  -13 21:00:23   +52.7091  +022.0255   +14  186  -14 21:00:30   +52.0190  +020.9617   +15  185  -14 21:00:38   +51.3746  +019.9361   +15  184  -14 21:00:45   +50.7697  +018.9429   +16  183  -15 21:00:53   +50.1993  +017.9772   +17  182  -15 21:01:00   +49.6594  +017.0356   +17  182  -15 21:01:08   +49.1469  +016.1147   +18  181  -15 21:01:15   +48.6591  +015.2122   +18  180  -15 21:01:23   +48.1938  +014.3259   +19  179  -16 21:01:30   +47.7491  +013.4539   +19  178  -16 21:01:38   +47.3235  +012.5947   +20  177  -16 21:01:45   +46.9157  +011.7468   +20  177  -16 21:01:53   +46.5243  +010.9091   +20  176  -16 21:02:00   +46.1485  +010.0804   +21  175  -16 21:02:08   +45.7872  +009.2598   +21  174  -16 21:02:15   +45.4398  +008.4463   +21  174  -16 21:02:23   +45.1055  +007.6392   +21  173  -16 21:02:30   +44.7837  +006.8377   +22  172  -16 21:02:38   +44.4739  +006.0411   +22  171  -15 21:02:45   +44.1755  +005.2489   +22  170  -15 21:02:53   +43.8881  +004.4603   +22  170  -15 21:03:00   +43.6114  +003.6750   +23  169  -15 21:03:08   +43.3450  +002.8922   +23  168  -15 21:03:15   +43.0885  +002.1115   +23  167  -15 21:03:23   +42.8418  +001.3325   +23  167  -15 21:03:30   +42.6046  +000.5546   +23  166  -14 21:03:38   +42.3766  -000.2225   +23  165  -14 21:03:45   +42.1577  -000.9995   +23  164  -14 21:03:53   +41.9477  -001.7765   +23  164  -14 21:04:00   +41.7465  -002.5542   +23  163  -13 21:04:08   +41.5539  -003.3330   +23  162  -13 21:04:15   +41.3700  -004.1132   +23  161  -13 21:04:23   +41.1945  -004.8952   +23  161  -13 21:04:30   +41.0275  -005.6797   +23  160  -12 21:04:38   +40.8689  -006.4669   +23  159  -12 21:04:45   +40.7187  -007.2574   +23  158  -12 21:04:53   +40.5770  -008.0515   +23  158  -11 21:05:00   +40.4437  -008.8499   +23  157  -11 21:05:08   +40.3189  -009.6530   +23  156  -10 21:05:15   +40.2028  -010.4613   +23  155  -10 21:05:23   +40.0953  -011.2754   +22  155  -10 21:05:30   +39.9966  -012.0959   +22  154  -09 21:05:38   +39.9070  -012.9235   +22  153  -09 21:05:45   +39.8264  -013.7587   +22  152  -08 21:05:53   +39.7553  -014.6024   +22  152  -08 21:06:00   +39.6938  -015.4553   +21  151  -07 21:06:08   +39.6422  -016.3183   +21  150  -07 21:06:15   +39.6010  -017.1923   +21  149  -06 21:06:23   +39.5704  -018.0784   +21  149  -06 21:06:30   +39.5509  -018.9778   +20  148  -05 21:06:38   +39.5431  -019.8916   +20  147  -05 21:06:45   +39.5475  -020.8215   +19  146  -04 21:06:53   +39.5649  -021.7689   +19  145  -04 21:07:00   +39.5962  -022.7358   +19  145  -03 21:07:08   +39.6422  -023.7245   +18  144  -02 21:07:15   +39.7042  -024.7373   +18  143  -02 21:07:23   +39.7835  -025.7774   +17  142  -01 21:07:30   +39.8819  -026.8483   +17  141  +00 21:07:38   +40.0012  -027.9543   +16  141  +01 21:07:45   +40.1441  -029.1008   +15  140  +02 21:07:53   +40.3138  -030.2946   +15  139  +02 21:08:00   +40.5145  -031.5444   +14  138  +03 21:08:08   +40.7516  -032.8618   +13  137  +04 21:08:15   +41.0328  -034.2627   +12  136  +05 21:08:23   +41.3693  -035.7705   +11  135  +07 21:08:30   +41.7783  -037.4210   +10  134  +08 21:08:38   +42.2892  -039.2759   +09  132  +09 21:08:45   +42.9611  -041.4584   +07  131  +11 21:08:53   +43.9552  -044.3065   +05  129  +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 --------------------------------------------- +63.3974 +035.0931 +63.8967 +035.4367 +60.3668 +031.9769 +60.5578 +032.0640 +58.6031 +029.9686 +58.7460 +030.0178 +57.2416 +028.3158 +57.3618 +028.3478 +56.1015 +026.8592 +56.2078 +026.8810 +55.1073 +025.5314 +55.2041 +025.5463 +54.2187 +024.2964 +54.3085 +024.3064 +53.4114 +023.1321 +53.4957 +023.1383 +52.6692 +022.0239 +52.7491 +022.0271 +51.9809 +020.9613 +52.0572 +020.9621 +51.3381 +019.9368 +51.4113 +019.9355 +50.7345 +018.9444 +50.8051 +018.9414 +50.1652 +017.9795 +50.2335 +017.9750 +49.6263 +017.0385 +49.6927 +017.0326 +49.1146 +016.1182 +49.1793 +016.1112 +48.6276 +015.2163 +48.6907 +015.2082 +48.1630 +014.3304 +48.2247 +014.3214 +47.7189 +013.4589 +47.7794 +013.4490 +47.2939 +012.6000 +47.3532 +012.5894 +46.8865 +011.7525 +46.9448 +011.7411 +46.4957 +010.9151 +46.5530 +010.9031 +46.1202 +010.0868 +46.1767 +010.0740 +45.7594 +009.2664 +45.8151 +009.2531 +45.4123 +008.4533 +45.4673 +008.4393 +45.0783 +007.6464 +45.1327 +007.6319 +44.7568 +006.8452 +44.8106 +006.8302 +44.4473 +006.0489 +44.5005 +006.0333 +44.1491 +005.2569 +44.2018 +005.2408 +43.8620 +004.4686 +43.9142 +004.4520 +43.5855 +003.6835 +43.6373 +003.6664 +43.3193 +002.9010 +43.3707 +002.8834 +43.0630 +002.1205 +43.1141 +002.1025 +42.8165 +001.3417 +42.8672 +001.3232 +42.5794 +000.5641 +42.6298 +000.5451 +42.3515 -000.2128 +42.4017 -000.2323 +42.1327 -000.9895 +42.1827 -001.0094 +41.9228 -001.7663 +41.9726 -001.7868 +41.7217 -002.5438 +41.7713 -002.5647 +41.5293 -003.3223 +41.5787 -003.3437 +41.3454 -004.1022 +41.3946 -004.1241 +41.1699 -004.8840 +41.2191 -004.9065 +41.0030 -005.6682 +41.0520 -005.6912 +40.8444 -006.4551 +40.8934 -006.4787 +40.6943 -007.2453 +40.7432 -007.2694 +40.5525 -008.0392 +40.6015 -008.0639 +40.4192 -008.8373 +40.4682 -008.8625 +40.2945 -009.6400 +40.3435 -009.6659 +40.1783 -010.4480 +40.2273 -010.4746 +40.0707 -011.2618 +40.1199 -011.2890 +39.9720 -012.0820 +40.0213 -012.1099 +39.8823 -012.9091 +39.9317 -012.9378 +39.8017 -013.7440 +39.8512 -013.7735 +39.7304 -014.5872 +39.7802 -014.6176 +39.6688 -015.4397 +39.7188 -015.4709 +39.6171 -016.3022 +39.6674 -016.3344 +39.5757 -017.1758 +39.6263 -017.2089 +39.5449 -018.0613 +39.5959 -018.0956 +39.5252 -018.9601 +39.5766 -018.9955 +39.5171 -019.8733 +39.5690 -019.9100 +39.5213 -020.8024 +39.5737 -020.8405 +39.5384 -021.7491 +39.5915 -021.7887 +39.5693 -022.7153 +39.6231 -022.7565 +39.6150 -023.7030 +39.6695 -023.7460 +39.6766 -024.7148 +39.7319 -024.7599 +39.7554 -025.7538 +39.8118 -025.8011 +39.8531 -026.8234 +39.9107 -026.8732 +39.9718 -027.9279 +40.0307 -027.9807 +40.1139 -029.0728 +40.1744 -029.1289 +40.2827 -030.2646 +40.3451 -030.3247 +40.4822 -031.5120 +40.5468 -031.5769 +40.7180 -032.8265 +40.7853 -032.8972 +40.9974 -034.2239 +41.0683 -034.3017 +41.3317 -035.7269 +41.4071 -035.8142 +41.7375 -037.3710 +41.8193 -037.4714 +42.2437 -039.2162 +42.3350 -039.3361 +42.9075 -041.3820 +43.0152 -041.5360 +43.8821 -044.1893 +44.0299 -044.4268 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.