Cora»OccDetail

Stellar Occultation by (790) Pretoria on 2023-12-20 (21:49:28 UT)

Event Details
Occultation UUID [and db] : 4b2c94b0-ddb4-11f0-547e-76ada6ff3e1e [observed] Occultation Date + Time : 2023-12-20 at 21:49:28 UT +/- 0.01 min [1] Object Designation : (790) Pretoria Star Designation : GDR3 3396289442794674304 Star Coordinates (ICRF) : RA = 05 43 56.7826, DE = +16 00 44.489 [2] Star Magnitudes : G = 14.59 mag, RP = 13.8 mag, BP = 15.26 mag Object Magnitude : V = 13.53 mag Estimated Magnitude Drop : 0.4 mag Estimated Max. Duration : 9.6 sec Speed of the shadow : 17.7 km/s Object Mean Diameter : 170.4 km (src: astorb) => apparent = 81 mas Apparent Motion : 0.5033 arcs/min @ PA = 253 deg Horizontal Parallax : 3.0290 arcs Dynamical Class : MBA Elongation to Moon & Sun : 73° (sunlit = 63%), Sun = 172° Cross-track uncertainty : 1.0 mas = 2 km = 0.01 path-width (1-sig) RUWE and duplicate source : 1.16 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#112 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and db] : 4b2c94b0-ddb4-11f0-547e-76ada6ff3e1e [observed] Occultation Date + Time : 2023-12-20 at 21:49:28 UT +/- 0.01 min [1] Object Designation : (790) Pretoria Star Designation : GDR3 3396289442794674304 Star Coordinates (ICRF) : RA = 05 43 56.7826, DE = +16 00 44.489 [2] Star Magnitudes : G = 14.59 mag, RP = 13.8 mag, BP = 15.26 mag Object Magnitude : V = 13.53 mag Estimated Magnitude Drop : 0.4 mag Estimated Max. Duration : 9.6 sec Speed of the shadow : 17.7 km/s Object Mean Diameter : 170.4 km (src: astorb) => apparent = 81 mas Apparent Motion : 0.5033 arcs/min @ PA = 253 deg Horizontal Parallax : 3.0290 arcs Dynamical Class : MBA Elongation to Moon & Sun : 73° (sunlit = 63%), Sun = 172° Cross-track uncertainty : 1.0 mas = 2 km = 0.01 path-width (1-sig) RUWE and duplicate source : 1.16 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#112 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 ---------------------------------------------- 21:44:10 +43.7663 +118.1016 +13 280 -20 21:44:20 +45.2023 +110.4035 +18 274 -25 21:44:31 +46.1158 +104.3073 +23 270 -30 21:44:41 +46.7505 +099.0254 +26 266 -33 21:44:52 +47.2001 +094.2634 +29 262 -36 21:45:03 +47.5130 +089.8736 +32 258 -39 21:45:13 +47.7183 +085.7697 +35 255 -42 21:45:24 +47.8353 +081.8962 +37 251 -44 21:45:34 +47.8780 +078.2151 +40 248 -47 21:45:45 +47.8565 +074.6986 +42 244 -49 21:45:55 +47.7788 +071.3259 +44 241 -51 21:46:06 +47.6513 +068.0808 +46 238 -53 21:46:17 +47.4790 +064.9503 +47 234 -55 21:46:27 +47.2664 +061.9235 +49 231 -57 21:46:38 +47.0170 +058.9916 +51 227 -58 21:46:48 +46.7340 +056.1467 +52 224 -60 21:46:59 +46.4201 +053.3821 +54 220 -62 21:47:10 +46.0776 +050.6919 +55 217 -63 21:47:20 +45.7085 +048.0707 +57 213 -64 21:47:31 +45.3147 +045.5136 +58 209 -66 21:47:41 +44.8978 +043.0162 +59 205 -67 21:47:52 +44.4591 +040.5745 +60 201 -68 21:48:03 +43.9998 +038.1846 +61 197 -69 21:48:13 +43.5212 +035.8428 +62 193 -70 21:48:24 +43.0242 +033.5460 +63 188 -70 21:48:34 +42.5096 +031.2907 +63 184 -71 21:48:45 +41.9782 +029.0740 +64 179 -71 21:48:56 +41.4307 +026.8929 +64 174 -71 21:49:06 +40.8676 +024.7446 +65 169 -71 21:49:17 +40.2894 +022.6262 +65 164 -71 21:49:27 +39.6966 +020.5352 +65 159 -71 21:49:38 +39.0895 +018.4689 +65 155 -71 21:49:48 +38.4682 +016.4246 +65 150 -70 21:49:59 +37.8332 +014.3999 +65 145 -69 21:50:10 +37.1843 +012.3920 +64 140 -68 21:50:20 +36.5218 +010.3984 +64 136 -67 21:50:31 +35.8456 +008.4165 +63 132 -66 21:50:41 +35.1555 +006.4435 +62 128 -65 21:50:52 +34.4515 +004.4768 +61 124 -64 21:51:03 +33.7333 +002.5134 +60 120 -63 21:51:13 +33.0005 +000.5503 +59 117 -61 21:51:24 +32.2527 -001.4156 +58 113 -60 21:51:34 +31.4894 -003.3879 +57 110 -58 21:51:45 +30.7098 -005.3701 +56 107 -57 21:51:56 +29.9132 -007.3662 +54 105 -55 21:52:06 +29.0987 -009.3808 +53 102 -53 21:52:17 +28.2649 -011.4189 +51 100 -51 21:52:27 +27.4105 -013.4860 +49 097 -50 21:52:38 +26.5339 -015.5888 +48 095 -48 21:52:49 +25.6329 -017.7348 +46 093 -46 21:52:59 +24.7049 -019.9332 +44 091 -44 21:53:10 +23.7468 -022.1950 +42 089 -41 21:53:20 +22.7546 -024.5341 +40 088 -39 21:53:31 +21.7231 -026.9678 +38 086 -37 21:53:41 +20.6453 -029.5193 +35 085 -34 21:53:52 +19.5119 -032.2201 +33 083 -32 21:54:03 +18.3093 -035.1153 +30 082 -29 21:54:13 +17.0167 -038.2739 +27 080 -25 21:54:24 +15.5994 -041.8123 +23 079 -22 21:54:34 +13.9903 -045.9563 +19 078 -17 21:54:45 +12.0181 -051.2869 +13 076 -12 21:54:56 +08.2885 -062.5940 +02 074 +00 Longitude measured positiv to the East.

Occultation Ground Track

 ------------------ Time[UT] | Lat----CENTR----Lon | Alt hh:mm:ss | +DD.dddd  +DDD.dddd | deg ---------------------------------------------- 21:44:10   +43.7663  +118.1016   +13  280  -20 21:44:20   +45.2023  +110.4035   +18  274  -25 21:44:31   +46.1158  +104.3073   +23  270  -30 21:44:41   +46.7505  +099.0254   +26  266  -33 21:44:52   +47.2001  +094.2634   +29  262  -36 21:45:03   +47.5130  +089.8736   +32  258  -39 21:45:13   +47.7183  +085.7697   +35  255  -42 21:45:24   +47.8353  +081.8962   +37  251  -44 21:45:34   +47.8780  +078.2151   +40  248  -47 21:45:45   +47.8565  +074.6986   +42  244  -49 21:45:55   +47.7788  +071.3259   +44  241  -51 21:46:06   +47.6513  +068.0808   +46  238  -53 21:46:17   +47.4790  +064.9503   +47  234  -55 21:46:27   +47.2664  +061.9235   +49  231  -57 21:46:38   +47.0170  +058.9916   +51  227  -58 21:46:48   +46.7340  +056.1467   +52  224  -60 21:46:59   +46.4201  +053.3821   +54  220  -62 21:47:10   +46.0776  +050.6919   +55  217  -63 21:47:20   +45.7085  +048.0707   +57  213  -64 21:47:31   +45.3147  +045.5136   +58  209  -66 21:47:41   +44.8978  +043.0162   +59  205  -67 21:47:52   +44.4591  +040.5745   +60  201  -68 21:48:03   +43.9998  +038.1846   +61  197  -69 21:48:13   +43.5212  +035.8428   +62  193  -70 21:48:24   +43.0242  +033.5460   +63  188  -70 21:48:34   +42.5096  +031.2907   +63  184  -71 21:48:45   +41.9782  +029.0740   +64  179  -71 21:48:56   +41.4307  +026.8929   +64  174  -71 21:49:06   +40.8676  +024.7446   +65  169  -71 21:49:17   +40.2894  +022.6262   +65  164  -71 21:49:27   +39.6966  +020.5352   +65  159  -71 21:49:38   +39.0895  +018.4689   +65  155  -71 21:49:48   +38.4682  +016.4246   +65  150  -70 21:49:59   +37.8332  +014.3999   +65  145  -69 21:50:10   +37.1843  +012.3920   +64  140  -68 21:50:20   +36.5218  +010.3984   +64  136  -67 21:50:31   +35.8456  +008.4165   +63  132  -66 21:50:41   +35.1555  +006.4435   +62  128  -65 21:50:52   +34.4515  +004.4768   +61  124  -64 21:51:03   +33.7333  +002.5134   +60  120  -63 21:51:13   +33.0005  +000.5503   +59  117  -61 21:51:24   +32.2527  -001.4156   +58  113  -60 21:51:34   +31.4894  -003.3879   +57  110  -58 21:51:45   +30.7098  -005.3701   +56  107  -57 21:51:56   +29.9132  -007.3662   +54  105  -55 21:52:06   +29.0987  -009.3808   +53  102  -53 21:52:17   +28.2649  -011.4189   +51  100  -51 21:52:27   +27.4105  -013.4860   +49  097  -50 21:52:38   +26.5339  -015.5888   +48  095  -48 21:52:49   +25.6329  -017.7348   +46  093  -46 21:52:59   +24.7049  -019.9332   +44  091  -44 21:53:10   +23.7468  -022.1950   +42  089  -41 21:53:20   +22.7546  -024.5341   +40  088  -39 21:53:31   +21.7231  -026.9678   +38  086  -37 21:53:41   +20.6453  -029.5193   +35  085  -34 21:53:52   +19.5119  -032.2201   +33  083  -32 21:54:03   +18.3093  -035.1153   +30  082  -29 21:54:13   +17.0167  -038.2739   +27  080  -25 21:54:24   +15.5994  -041.8123   +23  079  -22 21:54:34   +13.9903  -045.9563   +19  078  -17 21:54:45   +12.0181  -051.2869   +13  076  -12 21:54:56   +08.2885  -062.5940   +02  074  +00

Longitude measured positiv to the East.

------------------------------------------------------------------------- Azm Sun | Lat----EDGE1----Lon | Lat----EDGE2----Lon deg deg | +DD.dddd +DDD.dddd | +DD.dddd +DDD.dddd --------------------------------------------- +43.3083 +116.0651 +44.1460 +120.4511 +44.5872 +108.8954 +45.7888 +112.0642 +45.4249 +103.0694 +46.7922 +105.6536 +46.0121 +097.9717 +47.4813 +100.1656 +46.4287 +093.3525 +47.9681 +095.2469 +46.7172 +089.0814 +48.3081 +090.7282 +46.9041 +085.0804 +48.5337 +086.5133 +47.0072 +081.2985 +48.6663 +082.5414 +47.0392 +077.7002 +48.7208 +078.7714 +47.0098 +074.2596 +48.7082 +075.1737 +46.9263 +070.9570 +48.6369 +071.7262 +46.7947 +067.7770 +48.5139 +068.4118 +46.6200 +064.7070 +48.3444 +065.2167 +46.4063 +061.7368 +48.1332 +062.1297 +46.1569 +058.8578 +47.8840 +059.1415 +45.8749 +056.0625 +47.6001 +056.2439 +45.5628 +053.3444 +47.2844 +053.4300 +45.2228 +050.6978 +46.9394 +050.6936 +44.8569 +048.1175 +46.5670 +048.0290 +44.4668 +045.5989 +46.1694 +045.4313 +44.0540 +043.1376 +45.7481 +042.8958 +43.6199 +040.7298 +45.3046 +040.4184 +43.1656 +038.3718 +44.8402 +037.9949 +42.6922 +036.0600 +44.3561 +035.6217 +42.2007 +033.7913 +43.8533 +033.2952 +41.6919 +031.5626 +43.3326 +031.0121 +41.1665 +029.3709 +42.7950 +028.7693 +40.6251 +027.2133 +42.2411 +026.5636 +40.0682 +025.0872 +41.6714 +024.3921 +39.4965 +022.9899 +41.0866 +022.2519 +38.9101 +020.9188 +40.4870 +020.1403 +38.3096 +018.8712 +39.8730 +018.0544 +37.6950 +016.8448 +39.2448 +015.9916 +37.0667 +014.8370 +38.6027 +013.9492 +36.4246 +012.8453 +37.9468 +011.9246 +35.7689 +010.8673 +37.2771 +009.9150 +35.0996 +008.9002 +36.5937 +007.9177 +34.4164 +006.9416 +35.8964 +005.9300 +33.7194 +004.9887 +35.1851 +003.9489 +33.0082 +003.0388 +34.4596 +001.9716 +32.2825 +001.0889 +33.7194 -000.0051 +31.5419 -000.8641 +32.9641 -001.9845 +30.7858 -002.8234 +32.1932 -003.9700 +30.0135 -004.7927 +31.4060 -005.9656 +29.2244 -006.7759 +30.6016 -007.9752 +28.4175 -008.7773 +29.7790 -010.0036 +27.5915 -010.8017 +28.9371 -012.0558 +26.7452 -012.8546 +28.0743 -014.1377 +25.8768 -014.9424 +27.1890 -016.2562 +24.9845 -017.0724 +26.2788 -018.4191 +24.0656 -019.2533 +25.3412 -020.6360 +23.1173 -021.4957 +24.3728 -022.9184 +22.1356 -023.8129 +23.3695 -025.2807 +21.1156 -026.2213 +22.3256 -027.7416 +20.0508 -028.7428 +21.2340 -030.3255 +18.9325 -031.4068 +20.0843 -033.0663 +17.7479 -034.2551 +18.8620 -036.0130 +16.4782 -037.3507 +17.5441 -039.2421 +15.0925 -040.7970 +16.0913 -042.8853 +13.5329 -044.7884 +14.4241 -047.2104 +11.6629 -049.7868 +12.3189 -052.9771 +08.8533 -057.9448 +11.8427 -053.1398 Azimuth (Azm) measured from North to East.

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CTU: Cross-track uncertainty (zero means: use the nominal prediction value, see event details below). Offsets and CTU all in mas.