Cora»OccDetail

Stellar Occultation by (58147) 1986 WK on 2023-08-09 (00:14:41 UT)

Event Details
Occultation UUID [and db] : e6d55330-ddb3-11f0-547e-b07bfbff69a8 [observed] Occultation Date + Time : 2023-08-09 at 00:14:41 UT +/- 0.0 min [1] Object Designation : (58147) 1986 WK Star Designation : GDR3 0029070400243634176 Star Coordinates (ICRF) : RA = 02 55 37.1305, DE = +13 10 42.179 [2] Star Magnitudes : G = 8.74 mag, RP = 8.28 mag, BP = 8.98 mag Object Magnitude : V = 17.82 mag Estimated Magnitude Drop : 9.1 mag Estimated Max. Duration : 0.2 sec Speed of the shadow : 20.8 km/s Object Mean Diameter : 4.5 km (src: astorb) => apparent = 4 mas Apparent Motion : 1.2233 arcs/min @ PA = 68 deg Horizontal Parallax : 6.2610 arcs Dynamical Class : MBA Elongation to Moon & Sun : 10° (sunlit = 44%), Sun = 91° Cross-track uncertainty : 3.6 mas = 3 km = 0.81 path-width (1-sig) RUWE and duplicate source : 17.08 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#44 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and db] : e6d55330-ddb3-11f0-547e-b07bfbff69a8 [observed] Occultation Date + Time : 2023-08-09 at 00:14:41 UT +/- 0.0 min [1] Object Designation : (58147) 1986 WK Star Designation : GDR3 0029070400243634176 Star Coordinates (ICRF) : RA = 02 55 37.1305, DE = +13 10 42.179 [2] Star Magnitudes : G = 8.74 mag, RP = 8.28 mag, BP = 8.98 mag Object Magnitude : V = 17.82 mag Estimated Magnitude Drop : 9.1 mag Estimated Max. Duration : 0.2 sec Speed of the shadow : 20.8 km/s Object Mean Diameter : 4.5 km (src: astorb) => apparent = 4 mas Apparent Motion : 1.2233 arcs/min @ PA = 68 deg Horizontal Parallax : 6.2610 arcs Dynamical Class : MBA Elongation to Moon & Sun : 10° (sunlit = 44%), Sun = 91° Cross-track uncertainty : 3.6 mas = 3 km = 0.81 path-width (1-sig) RUWE and duplicate source : 17.08 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#44 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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Occultation Ground Track
------------------ Time[UT] \| Lat----CENTR----Lon \| Alt hh:mm:ss \| +DD.dddd +DDD.dddd \| deg ---------------------------------------------- 00:12:05 +37.4946 -009.2391 +06 078 -36 00:12:13 +39.5781 -003.3674 +11 082 -34 00:12:20 +41.1879 +000.5373 +14 084 -33 00:12:28 +42.6185 +003.6993 +16 087 -31 00:12:35 +43.9482 +006.4430 +18 089 -30 00:12:43 +45.2124 +008.9126 +20 091 -28 00:12:50 +46.4306 +011.1877 +22 094 -26 00:12:58 +47.6151 +013.3175 +23 096 -25 00:13:05 +48.7743 +015.3358 +24 098 -23 00:13:13 +49.9143 +017.2667 +25 100 -22 00:13:20 +51.0397 +019.1285 +26 102 -20 00:13:28 +52.1543 +020.9356 +27 104 -19 00:13:35 +53.2610 +022.6999 +28 106 -18 00:13:43 +54.3626 +024.4315 +29 108 -16 00:13:50 +55.4612 +026.1392 +29 111 -15 00:13:58 +56.5588 +027.8310 +30 113 -13 00:14:05 +57.6574 +029.5144 +30 115 -12 00:14:13 +58.7585 +031.1968 +30 117 -10 00:14:20 +59.8640 +032.8854 +31 120 -09 00:14:28 +60.9753 +034.5877 +31 122 -08 00:14:35 +62.0941 +036.3118 +31 124 -06 00:14:43 +63.2220 +038.0663 +31 127 -05 00:14:50 +64.3607 +039.8613 +31 129 -03 00:14:58 +65.5118 +041.7079 +31 132 -02 00:15:05 +66.6771 +043.6196 +31 134 -01 00:15:13 +67.8584 +045.6128 +30 137 +01 00:15:20 +69.0579 +047.7074 +30 140 +02 00:15:28 +70.2774 +049.9292 +29 143 +04 00:15:35 +71.5193 +052.3113 +29 146 +05 00:15:43 +72.7858 +054.8983 +28 149 +06 00:15:50 +74.0791 +057.7513 +27 152 +08 00:15:58 +75.4012 +060.9576 +27 156 +09 00:16:05 +76.7534 +064.6456 +26 160 +11 00:16:13 +78.1352 +069.0137 +25 165 +12 00:16:20 +79.5423 +074.3825 +24 171 +13 00:16:28 +80.9611 +081.2991 +22 179 +15 00:16:35 +82.3561 +090.7410 +21 189 +16 00:16:43 +83.6372 +104.4649 +19 203 +18 00:16:50 +84.5832 +125.0804 +17 224 +19 00:16:58 +84.7525 +153.2424 +15 252 +21 00:17:05 +83.6586 -177.7932 +12 281 +22 00:17:13 +80.9490 -154.2194 +08 305 +24 Longitude measured positiv to the East.

Occultation Ground Track

 ------------------ Time[UT] | Lat----CENTR----Lon | Alt hh:mm:ss | +DD.dddd  +DDD.dddd | deg ---------------------------------------------- 00:12:05   +37.4946  -009.2391   +06  078  -36 00:12:13   +39.5781  -003.3674   +11  082  -34 00:12:20   +41.1879  +000.5373   +14  084  -33 00:12:28   +42.6185  +003.6993   +16  087  -31 00:12:35   +43.9482  +006.4430   +18  089  -30 00:12:43   +45.2124  +008.9126   +20  091  -28 00:12:50   +46.4306  +011.1877   +22  094  -26 00:12:58   +47.6151  +013.3175   +23  096  -25 00:13:05   +48.7743  +015.3358   +24  098  -23 00:13:13   +49.9143  +017.2667   +25  100  -22 00:13:20   +51.0397  +019.1285   +26  102  -20 00:13:28   +52.1543  +020.9356   +27  104  -19 00:13:35   +53.2610  +022.6999   +28  106  -18 00:13:43   +54.3626  +024.4315   +29  108  -16 00:13:50   +55.4612  +026.1392   +29  111  -15 00:13:58   +56.5588  +027.8310   +30  113  -13 00:14:05   +57.6574  +029.5144   +30  115  -12 00:14:13   +58.7585  +031.1968   +30  117  -10 00:14:20   +59.8640  +032.8854   +31  120  -09 00:14:28   +60.9753  +034.5877   +31  122  -08 00:14:35   +62.0941  +036.3118   +31  124  -06 00:14:43   +63.2220  +038.0663   +31  127  -05 00:14:50   +64.3607  +039.8613   +31  129  -03 00:14:58   +65.5118  +041.7079   +31  132  -02 00:15:05   +66.6771  +043.6196   +31  134  -01 00:15:13   +67.8584  +045.6128   +30  137  +01 00:15:20   +69.0579  +047.7074   +30  140  +02 00:15:28   +70.2774  +049.9292   +29  143  +04 00:15:35   +71.5193  +052.3113   +29  146  +05 00:15:43   +72.7858  +054.8983   +28  149  +06 00:15:50   +74.0791  +057.7513   +27  152  +08 00:15:58   +75.4012  +060.9576   +27  156  +09 00:16:05   +76.7534  +064.6456   +26  160  +11 00:16:13   +78.1352  +069.0137   +25  165  +12 00:16:20   +79.5423  +074.3825   +24  171  +13 00:16:28   +80.9611  +081.2991   +22  179  +15 00:16:35   +82.3561  +090.7410   +21  189  +16 00:16:43   +83.6372  +104.4649   +19  203  +18 00:16:50   +84.5832  +125.0804   +17  224  +19 00:16:58   +84.7525  +153.2424   +15  252  +21 00:17:05   +83.6586  -177.7932   +12  281  +22 00:17:13   +80.9490  -154.2194   +08  305  +24

Longitude measured positiv to the East.

------------------------------------------------------------------------- Azm Sun | Lat----EDGE1----Lon | Lat----EDGE2----Lon deg deg | +DD.dddd +DDD.dddd | +DD.dddd +DDD.dddd --------------------------------------------- +37.4667 -009.4606 +37.5210 -009.0242 +39.5738 -003.4921 +39.5821 -003.2437 +41.1900 +000.4372 +41.1857 +000.6368 +42.6240 +003.6115 +42.6128 +003.7868 +43.9560 +006.3625 +43.9403 +006.5232 +45.2219 +008.8371 +45.2029 +008.9880 +46.4415 +011.1155 +46.4197 +011.2596 +47.6271 +013.2479 +47.6031 +013.3870 +48.7873 +015.2680 +48.7613 +015.4035 +49.9281 +017.2002 +49.9004 +017.3331 +51.0544 +019.0629 +51.0249 +019.1939 +52.1698 +020.8706 +52.1387 +021.0004 +53.2773 +022.6353 +53.2448 +022.7643 +54.3796 +024.3670 +54.3456 +024.4958 +55.4789 +026.0746 +55.4435 +026.2035 +56.5773 +027.7662 +56.5404 +027.8956 +57.6766 +029.4492 +57.6382 +029.5795 +58.7785 +031.1310 +58.7386 +031.2624 +59.8847 +032.8188 +59.8433 +032.9518 +60.9968 +034.5203 +60.9538 +034.6550 +62.1164 +036.2433 +62.0718 +036.3801 +63.2452 +037.9966 +63.1989 +038.1359 +64.3848 +039.7901 +64.3366 +039.9322 +65.5368 +041.6351 +65.4867 +041.7804 +66.7032 +043.5451 +66.6510 +043.6939 +67.8857 +045.5363 +67.8312 +045.6889 +69.0863 +047.6289 +69.0294 +047.7857 +70.3072 +049.8484 +70.2476 +050.0096 +71.5506 +052.2281 +71.4880 +052.3941 +72.8188 +054.8127 +72.7529 +054.9834 +74.1139 +057.6636 +74.0443 +057.8386 +75.4381 +060.8682 +75.3643 +061.0464 +76.7927 +064.5560 +76.7141 +064.7347 +78.1773 +068.9266 +78.0931 +069.1001 +79.5876 +074.3043 +79.4970 +074.4601 +81.0100 +081.2434 +80.9122 +081.3542 +82.4086 +090.7394 +82.3037 +090.7427 +83.6919 +104.5894 +83.5827 +104.3431 +84.6335 +125.4627 +84.5329 +124.7066 +84.7824 +153.9387 +84.7220 +152.5574 +83.6510 -177.0239 +83.6649 -178.5589 +80.8852 -153.5359 +81.0104 -154.9022 Azimuth (Azm) measured from North to East.

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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.