Cora»OccDetail

Stellar Occultation by (676) Melitta on 2023-04-26 (23:53:55 UT)

Event Details
Occultation UUID [and db] : 8de70f20-ddb3-11f0-547e-fc306ef8f399 [observed] Occultation Date + Time : 2023-04-26 at 23:53:55 UT +/- 0.01 min [1] Object Designation : (676) Melitta Star Designation : GDR3 4203913718837290496 Star Coordinates (ICRF) : RA = 18 52 07.3532, DE = -08 23 38.682 [2] Star Magnitudes : G = 14.05 mag, RP = 13.01 mag, BP = 15.08 mag Object Magnitude : V = 14.79 mag Estimated Magnitude Drop : 1.2 mag Estimated Max. Duration : 10.9 sec Speed of the shadow : 7.3 km/s Object Mean Diameter : 80.0 km (src: astorb) => apparent = 46 mas Apparent Motion : 0.2550 arcs/min @ PA = 53 deg Horizontal Parallax : 3.7070 arcs Dynamical Class : MBA Elongation to Moon & Sun : 156° (sunlit = 42%), Sun = 112° Cross-track uncertainty : 0.3 mas = 0 km = 0.01 path-width (1-sig) RUWE and duplicate source : 0.89 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#81 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and db] : 8de70f20-ddb3-11f0-547e-fc306ef8f399 [observed] Occultation Date + Time : 2023-04-26 at 23:53:55 UT +/- 0.01 min [1] Object Designation : (676) Melitta Star Designation : GDR3 4203913718837290496 Star Coordinates (ICRF) : RA = 18 52 07.3532, DE = -08 23 38.682 [2] Star Magnitudes : G = 14.05 mag, RP = 13.01 mag, BP = 15.08 mag Object Magnitude : V = 14.79 mag Estimated Magnitude Drop : 1.2 mag Estimated Max. Duration : 10.9 sec Speed of the shadow : 7.3 km/s Object Mean Diameter : 80.0 km (src: astorb) => apparent = 46 mas Apparent Motion : 0.2550 arcs/min @ PA = 53 deg Horizontal Parallax : 3.7070 arcs Dynamical Class : MBA Elongation to Moon & Sun : 156° (sunlit = 42%), Sun = 112° Cross-track uncertainty : 0.3 mas = 0 km = 0.01 path-width (1-sig) RUWE and duplicate source : 0.89 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#81 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 ---------------------------------------------- 23:48:46 +31.1784 -009.6418 +03 102 -44 23:48:59 +31.2037 -005.9547 +07 104 -44 23:49:11 +31.4210 -003.5257 +09 105 -45 23:49:23 +31.7144 -001.5760 +10 107 -44 23:49:35 +32.0536 +000.0979 +11 108 -44 23:49:47 +32.4252 +001.5862 +13 109 -44 23:49:59 +32.8218 +002.9382 +14 110 -43 23:50:11 +33.2391 +004.1845 +14 110 -43 23:50:23 +33.6741 +005.3456 +15 111 -43 23:50:35 +34.1248 +006.4358 +16 112 -42 23:50:47 +34.5897 +007.4659 +17 113 -41 23:50:59 +35.0679 +008.4440 +17 114 -41 23:51:11 +35.5584 +009.3764 +18 115 -40 23:51:23 +36.0608 +010.2683 +18 115 -40 23:51:35 +36.5746 +011.1236 +19 116 -39 23:51:47 +37.0996 +011.9457 +19 117 -38 23:51:59 +37.6355 +012.7375 +19 118 -38 23:52:11 +38.1823 +013.5012 +20 119 -37 23:52:23 +38.7399 +014.2388 +20 119 -36 23:52:36 +39.3084 +014.9519 +20 120 -35 23:52:48 +39.8878 +015.6419 +20 121 -35 23:53:00 +40.4783 +016.3099 +21 122 -34 23:53:12 +41.0801 +016.9569 +21 122 -33 23:53:24 +41.6935 +017.5835 +21 123 -33 23:53:36 +42.3188 +018.1903 +21 124 -32 23:53:48 +42.9564 +018.7779 +21 125 -31 23:54:00 +43.6066 +019.3463 +21 125 -30 23:54:12 +44.2701 +019.8958 +21 126 -30 23:54:24 +44.9472 +020.4263 +21 127 -29 23:54:36 +45.6388 +020.9374 +21 127 -28 23:54:48 +46.3455 +021.4288 +20 128 -27 23:55:00 +47.0680 +021.8999 +20 129 -26 23:55:12 +47.8075 +022.3498 +20 129 -26 23:55:24 +48.5648 +022.7772 +20 130 -25 23:55:36 +49.3413 +023.1808 +20 131 -24 23:55:48 +50.1382 +023.5587 +19 131 -23 23:56:00 +50.9573 +023.9084 +19 132 -22 23:56:13 +51.8002 +024.2270 +19 132 -21 23:56:25 +52.6691 +024.5107 +18 133 -20 23:56:37 +53.5666 +024.7548 +18 133 -20 23:56:49 +54.4956 +024.9529 +17 134 -19 23:57:01 +55.4598 +025.0973 +16 134 -18 23:57:13 +56.4636 +025.1774 +16 135 -17 23:57:25 +57.5125 +025.1790 +15 135 -16 23:57:37 +58.6136 +025.0826 +14 135 -15 23:57:49 +59.7762 +024.8605 +13 135 -14 23:58:01 +61.0130 +024.4711 +12 135 -13 23:58:13 +62.3423 +023.8496 +11 135 -12 23:58:25 +63.7926 +022.8850 +10 134 -11 23:58:37 +65.4131 +021.3640 +08 133 -09 23:58:49 +67.3095 +018.7778 +06 130 -08 23:59:01 +69.8701 +013.0132 +03 125 -06 Longitude measured positiv to the East.

Occultation Ground Track

 ------------------ Time[UT] | Lat----CENTR----Lon | Alt hh:mm:ss | +DD.dddd  +DDD.dddd | deg ---------------------------------------------- 23:48:46   +31.1784  -009.6418   +03  102  -44 23:48:59   +31.2037  -005.9547   +07  104  -44 23:49:11   +31.4210  -003.5257   +09  105  -45 23:49:23   +31.7144  -001.5760   +10  107  -44 23:49:35   +32.0536  +000.0979   +11  108  -44 23:49:47   +32.4252  +001.5862   +13  109  -44 23:49:59   +32.8218  +002.9382   +14  110  -43 23:50:11   +33.2391  +004.1845   +14  110  -43 23:50:23   +33.6741  +005.3456   +15  111  -43 23:50:35   +34.1248  +006.4358   +16  112  -42 23:50:47   +34.5897  +007.4659   +17  113  -41 23:50:59   +35.0679  +008.4440   +17  114  -41 23:51:11   +35.5584  +009.3764   +18  115  -40 23:51:23   +36.0608  +010.2683   +18  115  -40 23:51:35   +36.5746  +011.1236   +19  116  -39 23:51:47   +37.0996  +011.9457   +19  117  -38 23:51:59   +37.6355  +012.7375   +19  118  -38 23:52:11   +38.1823  +013.5012   +20  119  -37 23:52:23   +38.7399  +014.2388   +20  119  -36 23:52:36   +39.3084  +014.9519   +20  120  -35 23:52:48   +39.8878  +015.6419   +20  121  -35 23:53:00   +40.4783  +016.3099   +21  122  -34 23:53:12   +41.0801  +016.9569   +21  122  -33 23:53:24   +41.6935  +017.5835   +21  123  -33 23:53:36   +42.3188  +018.1903   +21  124  -32 23:53:48   +42.9564  +018.7779   +21  125  -31 23:54:00   +43.6066  +019.3463   +21  125  -30 23:54:12   +44.2701  +019.8958   +21  126  -30 23:54:24   +44.9472  +020.4263   +21  127  -29 23:54:36   +45.6388  +020.9374   +21  127  -28 23:54:48   +46.3455  +021.4288   +20  128  -27 23:55:00   +47.0680  +021.8999   +20  129  -26 23:55:12   +47.8075  +022.3498   +20  129  -26 23:55:24   +48.5648  +022.7772   +20  130  -25 23:55:36   +49.3413  +023.1808   +20  131  -24 23:55:48   +50.1382  +023.5587   +19  131  -23 23:56:00   +50.9573  +023.9084   +19  132  -22 23:56:13   +51.8002  +024.2270   +19  132  -21 23:56:25   +52.6691  +024.5107   +18  133  -20 23:56:37   +53.5666  +024.7548   +18  133  -20 23:56:49   +54.4956  +024.9529   +17  134  -19 23:57:01   +55.4598  +025.0973   +16  134  -18 23:57:13   +56.4636  +025.1774   +16  135  -17 23:57:25   +57.5125  +025.1790   +15  135  -16 23:57:37   +58.6136  +025.0826   +14  135  -15 23:57:49   +59.7762  +024.8605   +13  135  -14 23:58:01   +61.0130  +024.4711   +12  135  -13 23:58:13   +62.3423  +023.8496   +11  135  -12 23:58:25   +63.7926  +022.8850   +10  134  -11 23:58:37   +65.4131  +021.3640   +08  133  -09 23:58:49   +67.3095  +018.7778   +06  130  -08 23:59:01   +69.8701  +013.0132   +03  125  -06

Longitude measured positiv to the East.

------------------------------------------------------------------------- Azm Sun | Lat----EDGE1----Lon | Lat----EDGE2----Lon deg deg | +DD.dddd +DDD.dddd | +DD.dddd +DDD.dddd --------------------------------------------- +32.1105 -013.6339 +30.2342 -005.5659 +32.2892 -010.9553 +30.4567 -003.2083 +32.2122 -006.5439 +30.7488 -001.2880 +32.4161 -003.9854 +31.0841 +000.3726 +32.7074 -001.9818 +31.4503 +001.8556 +33.0488 -000.2808 +31.8408 +003.2069 +33.4246 +001.2215 +32.2512 +004.4555 +33.8270 +002.5802 +32.6787 +005.6210 +34.2509 +003.8285 +33.1215 +006.7172 +34.6933 +004.9882 +33.5781 +007.7545 +35.1520 +006.0746 +34.0475 +008.7408 +35.6255 +007.0990 +34.5288 +009.6823 +36.1128 +008.0698 +35.0216 +010.5840 +36.6129 +008.9937 +35.5253 +011.4500 +37.1255 +009.8756 +36.0397 +012.2836 +37.6500 +010.7200 +36.5646 +013.0876 +38.1862 +011.5301 +37.0999 +013.8643 +38.7339 +012.3087 +37.6454 +014.6156 +39.2931 +013.0583 +38.2013 +015.3434 +39.8637 +013.7806 +38.7674 +016.0489 +40.4458 +014.4772 +39.3441 +016.7334 +41.0396 +015.1494 +39.9313 +017.3979 +41.6453 +015.7984 +40.5294 +018.0432 +42.2631 +016.4248 +41.1385 +018.6701 +42.8934 +017.0293 +41.7591 +019.2791 +43.5365 +017.6123 +42.3913 +019.8705 +44.1930 +018.1741 +43.0357 +020.4448 +44.8633 +018.7146 +43.6927 +021.0020 +45.5480 +019.2337 +44.3628 +021.5421 +46.2479 +019.7310 +45.0466 +022.0651 +46.9637 +020.2058 +45.7448 +022.5706 +47.6964 +020.6574 +46.4581 +023.0582 +48.4469 +021.0844 +47.1873 +023.5272 +49.2164 +021.4854 +47.9336 +023.9769 +50.0063 +021.8584 +48.6978 +024.4061 +50.8182 +022.2008 +49.4813 +024.8134 +51.6538 +022.5095 +50.2854 +025.1969 +52.5151 +022.7805 +51.1118 +025.5545 +53.4048 +023.0087 +51.9623 +025.8832 +54.3258 +023.1875 +52.8392 +026.1797 +55.2816 +023.3084 +53.7450 +026.4392 +56.2766 +023.3602 +54.6827 +026.6560 +57.3164 +023.3277 +55.6560 +026.8226 +58.4079 +023.1900 +56.6696 +026.9290 +59.5605 +022.9170 +57.7288 +026.9620 +60.7870 +022.4639 +58.8410 +026.9030 +62.1062 +021.7593 +60.0156 +026.7261 +63.5476 +020.6798 +61.2653 +026.3922 +65.1641 +018.9814 +62.6085 +025.8406 +67.0774 +016.0426 +64.0732 +024.9685 +69.9132 +008.2582 +65.7075 +023.5815 +71.3275 +009.3144 +67.6098 +021.2317 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.