Cora»OccDetail

Stellar Occultation by (76) Freia on 2023-05-29 (20:55:07 UT)

Event Details
Occultation UUID [and db] : a086d200-ddb3-11f0-547e-2b2daf19af17 [observed] Occultation Date + Time : 2023-05-29 at 20:55:07 UT +/- 0.01 min [1] Object Designation : (76) Freia Star Designation : GDR3 4118276498972243968 Star Coordinates (ICRF) : RA = 17 35 42.6638, DE = -20 58 54.852 [2] Star Magnitudes : G = 11.82 mag, RP = 11.29 mag, BP = 12.17 mag Object Magnitude : V = 13.73 mag Estimated Magnitude Drop : 2.1 mag Estimated Max. Duration : 12.7 sec Speed of the shadow : 14.5 km/s Object Mean Diameter : 183.7 km (src: astorb) => apparent = 85 mas Apparent Motion : 0.4033 arcs/min @ PA = 275 deg Horizontal Parallax : 2.9620 arcs Dynamical Class : MBA Elongation to Moon & Sun : 81° (sunlit = 71%), Sun = 164° Cross-track uncertainty : 0.7 mas = 1 km = 0.01 path-width (1-sig) RUWE and duplicate source : 0.9 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#97 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] : a086d200-ddb3-11f0-547e-2b2daf19af17 [observed] Occultation Date + Time : 2023-05-29 at 20:55:07 UT +/- 0.01 min [1] Object Designation : (76) Freia Star Designation : GDR3 4118276498972243968 Star Coordinates (ICRF) : RA = 17 35 42.6638, DE = -20 58 54.852 [2] Star Magnitudes : G = 11.82 mag, RP = 11.29 mag, BP = 12.17 mag Object Magnitude : V = 13.73 mag Estimated Magnitude Drop : 2.1 mag Estimated Max. Duration : 12.7 sec Speed of the shadow : 14.5 km/s Object Mean Diameter : 183.7 km (src: astorb) => apparent = 85 mas Apparent Motion : 0.4033 arcs/min @ PA = 275 deg Horizontal Parallax : 2.9620 arcs Dynamical Class : MBA Elongation to Moon & Sun : 81° (sunlit = 71%), Sun = 164° Cross-track uncertainty : 0.7 mas = 1 km = 0.01 path-width (1-sig) RUWE and duplicate source : 0.9 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#97 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

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Occultation Ground Track
------------------ Time[UT] \| Lat----CENTR----Lon \| Alt hh:mm:ss \| +DD.dddd +DDD.dddd \| deg ---------------------------------------------- 20:50:48 +42.8738 +126.5805 +04 236 +08 20:51:02 +39.5196 +117.3762 +12 230 +00 20:51:16 +37.8232 +112.0323 +16 226 -04 20:51:30 +36.6225 +107.7856 +19 223 -08 20:51:44 +35.6966 +104.1173 +22 220 -11 20:51:58 +34.9547 +100.8162 +24 218 -13 20:52:12 +34.3490 +097.7712 +26 216 -16 20:52:25 +33.8508 +094.9156 +28 213 -18 20:52:39 +33.4414 +092.2055 +29 211 -20 20:52:53 +33.1077 +089.6098 +30 208 -21 20:53:07 +32.8405 +087.1057 +32 206 -23 20:53:21 +32.6327 +084.6757 +33 204 -24 20:53:35 +32.4792 +082.3059 +34 201 -26 20:53:49 +32.3760 +079.9848 +34 199 -27 20:54:03 +32.3201 +077.7028 +35 196 -28 20:54:17 +32.3092 +075.4516 +35 194 -29 20:54:31 +32.3417 +073.2237 +36 192 -30 20:54:45 +32.4164 +071.0125 +36 189 -31 20:54:59 +32.5327 +068.8116 +36 187 -31 20:55:13 +32.6903 +066.6149 +36 184 -32 20:55:27 +32.8894 +064.4166 +36 182 -33 20:55:41 +33.1306 +062.2104 +36 179 -33 20:55:54 +33.4150 +059.9902 +36 177 -33 20:56:08 +33.7439 +057.7491 +35 174 -33 20:56:22 +34.1195 +055.4798 +34 172 -33 20:56:36 +34.5446 +053.1740 +34 169 -33 20:56:50 +35.0225 +050.8221 +33 167 -33 20:57:04 +35.5579 +048.4127 +32 164 -33 20:57:18 +36.1566 +045.9321 +31 162 -32 20:57:32 +36.8263 +043.3628 +29 160 -31 20:57:46 +37.5773 +040.6825 +28 157 -31 20:58:00 +38.4237 +037.8610 +26 154 -30 20:58:14 +39.3856 +034.8556 +24 152 -28 20:58:28 +40.4931 +031.6028 +22 149 -27 20:58:42 +41.7952 +027.9989 +20 146 -25 20:58:56 +43.3813 +023.8534 +17 143 -22 20:59:10 +45.4522 +018.7327 +13 139 -19 20:59:24 +48.7668 +010.9695 +07 133 -13 Longitude measured positiv to the East.

Occultation Ground Track

 ------------------ Time[UT] | Lat----CENTR----Lon | Alt hh:mm:ss | +DD.dddd  +DDD.dddd | deg ---------------------------------------------- 20:50:48   +42.8738  +126.5805   +04  236  +08 20:51:02   +39.5196  +117.3762   +12  230  +00 20:51:16   +37.8232  +112.0323   +16  226  -04 20:51:30   +36.6225  +107.7856   +19  223  -08 20:51:44   +35.6966  +104.1173   +22  220  -11 20:51:58   +34.9547  +100.8162   +24  218  -13 20:52:12   +34.3490  +097.7712   +26  216  -16 20:52:25   +33.8508  +094.9156   +28  213  -18 20:52:39   +33.4414  +092.2055   +29  211  -20 20:52:53   +33.1077  +089.6098   +30  208  -21 20:53:07   +32.8405  +087.1057   +32  206  -23 20:53:21   +32.6327  +084.6757   +33  204  -24 20:53:35   +32.4792  +082.3059   +34  201  -26 20:53:49   +32.3760  +079.9848   +34  199  -27 20:54:03   +32.3201  +077.7028   +35  196  -28 20:54:17   +32.3092  +075.4516   +35  194  -29 20:54:31   +32.3417  +073.2237   +36  192  -30 20:54:45   +32.4164  +071.0125   +36  189  -31 20:54:59   +32.5327  +068.8116   +36  187  -31 20:55:13   +32.6903  +066.6149   +36  184  -32 20:55:27   +32.8894  +064.4166   +36  182  -33 20:55:41   +33.1306  +062.2104   +36  179  -33 20:55:54   +33.4150  +059.9902   +36  177  -33 20:56:08   +33.7439  +057.7491   +35  174  -33 20:56:22   +34.1195  +055.4798   +34  172  -33 20:56:36   +34.5446  +053.1740   +34  169  -33 20:56:50   +35.0225  +050.8221   +33  167  -33 20:57:04   +35.5579  +048.4127   +32  164  -33 20:57:18   +36.1566  +045.9321   +31  162  -32 20:57:32   +36.8263  +043.3628   +29  160  -31 20:57:46   +37.5773  +040.6825   +28  157  -31 20:58:00   +38.4237  +037.8610   +26  154  -30 20:58:14   +39.3856  +034.8556   +24  152  -28 20:58:28   +40.4931  +031.6028   +22  149  -27 20:58:42   +41.7952  +027.9989   +20  146  -25 20:58:56   +43.3813  +023.8534   +17  143  -22 20:59:10   +45.4522  +018.7327   +13  139  -19 20:59:24   +48.7668  +010.9695   +07  133  -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 --------------------------------------------- +39.2917 +121.0969 +46.0813 +131.2450 +37.2320 +114.9295 +42.4003 +121.0993 +35.8668 +110.3404 +40.0290 +114.2052 +34.8368 +106.4773 +38.5667 +109.3699 +34.0183 +103.0497 +37.4926 +105.3711 +33.3511 +099.9168 +36.6532 +101.8523 +32.8005 +096.9979 +35.9782 +098.6505 +32.3446 +094.2413 +35.4282 +095.6750 +31.9682 +091.6117 +34.9787 +092.8691 +31.6609 +089.0834 +34.6137 +090.1945 +31.4148 +086.6372 +34.3214 +087.6236 +31.2240 +084.2578 +34.0938 +085.1357 +31.0839 +081.9331 +33.9245 +082.7147 +30.9913 +079.6529 +33.8090 +080.3475 +30.9434 +077.4085 +33.7438 +078.0233 +30.9382 +075.1925 +33.7263 +075.7328 +30.9743 +072.9980 +33.7545 +073.4679 +31.0507 +070.8188 +33.8273 +071.2210 +31.1668 +068.6493 +33.9437 +068.9854 +31.3223 +066.4837 +34.1037 +066.7544 +31.5174 +064.3165 +34.3073 +064.5215 +31.7527 +062.1422 +34.5552 +062.2801 +32.0290 +059.9548 +34.8486 +060.0234 +32.3477 +057.7483 +35.1892 +057.7439 +32.7106 +055.5159 +35.5794 +055.4335 +33.1201 +053.2500 +36.0222 +053.0829 +33.5793 +050.9420 +36.5218 +050.6815 +34.0921 +048.5817 +37.0834 +048.2163 +34.6636 +046.1571 +37.7139 +045.6714 +35.3003 +043.6531 +38.4226 +043.0264 +36.0108 +041.0505 +39.2221 +040.2546 +36.8067 +038.3243 +40.1300 +037.3186 +37.7041 +035.4398 +41.1721 +034.1644 +38.7262 +032.3474 +42.3894 +030.7068 +39.9091 +028.9703 +43.8528 +026.7970 +41.3133 +025.1783 +45.7076 +022.1270 +43.0572 +020.7148 +48.3752 +015.7917 +45.4465 +014.9075 +48.5807 +013.9786 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.