Cora»OccDetail

Stellar Occultation by (1345) Potomac on 2023-09-09 (21:11:56 UT)

Event Details
Occultation UUID [and db] : 0657bb30-ddb4-11f0-547e-1dc4addf6439 [observed] Occultation Date + Time : 2023-09-09 at 21:11:56 UT +/- 0.01 min [1] Object Designation : (1345) Potomac Star Designation : GDR3 6840977218480329600 Star Coordinates (ICRF) : RA = 21 34 39.9903, DE = -16 44 21.687 [2] Star Magnitudes : G = 9.42 mag, RP = 8.91 mag, BP = 9.76 mag Object Magnitude : V = 16.32 mag Estimated Magnitude Drop : 6.9 mag Estimated Max. Duration : 5.1 sec Speed of the shadow : 14.0 km/s Object Mean Diameter : 71.8 km (src: astorb) => apparent = 28 mas Apparent Motion : 0.3250 arcs/min @ PA = 243 deg Horizontal Parallax : 2.4530 arcs Dynamical Class : MBA Elongation to Moon & Sun : 150° (sunlit = 22%), Sun = 154° Cross-track uncertainty : 0.7 mas = 1 km = 0.03 path-width (1-sig) RUWE and duplicate source : 0.93 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#76 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and db] : 0657bb30-ddb4-11f0-547e-1dc4addf6439 [observed] Occultation Date + Time : 2023-09-09 at 21:11:56 UT +/- 0.01 min [1] Object Designation : (1345) Potomac Star Designation : GDR3 6840977218480329600 Star Coordinates (ICRF) : RA = 21 34 39.9903, DE = -16 44 21.687 [2] Star Magnitudes : G = 9.42 mag, RP = 8.91 mag, BP = 9.76 mag Object Magnitude : V = 16.32 mag Estimated Magnitude Drop : 6.9 mag Estimated Max. Duration : 5.1 sec Speed of the shadow : 14.0 km/s Object Mean Diameter : 71.8 km (src: astorb) => apparent = 28 mas Apparent Motion : 0.3250 arcs/min @ PA = 243 deg Horizontal Parallax : 2.4530 arcs Dynamical Class : MBA Elongation to Moon & Sun : 150° (sunlit = 22%), Sun = 154° Cross-track uncertainty : 0.7 mas = 1 km = 0.03 path-width (1-sig) RUWE and duplicate source : 0.93 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#76 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 ---------------------------------------------- 21:09:08 +67.2188 +003.1854 +05 166 -13 21:09:14 +64.8889 +002.9304 +08 166 -14 21:09:19 +63.1003 +002.4040 +09 165 -15 21:09:25 +61.5947 +001.7731 +11 165 -16 21:09:31 +60.2715 +001.0918 +12 164 -17 21:09:36 +59.0790 +000.3833 +13 163 -18 21:09:42 +57.9863 -000.3405 +14 162 -18 21:09:48 +56.9733 -001.0732 +15 162 -19 21:09:53 +56.0258 -001.8113 +15 161 -19 21:09:59 +55.1336 -002.5526 +16 160 -19 21:10:05 +54.2889 -003.2957 +17 159 -20 21:10:10 +53.4858 -004.0400 +17 158 -20 21:10:16 +52.7193 -004.7851 +18 158 -20 21:10:21 +51.9857 -005.5308 +18 157 -20 21:10:27 +51.2818 -006.2772 +19 156 -20 21:10:33 +50.6048 -007.0243 +19 155 -20 21:10:38 +49.9525 -007.7724 +20 154 -20 21:10:44 +49.3230 -008.5217 +20 154 -20 21:10:50 +48.7147 -009.2724 +20 153 -20 21:10:55 +48.1261 -010.0249 +21 152 -20 21:11:01 +47.5561 -010.7795 +21 151 -20 21:11:07 +47.0035 -011.5365 +21 150 -20 21:11:12 +46.4675 -012.2964 +21 150 -20 21:11:18 +45.9471 -013.0595 +22 149 -20 21:11:24 +45.4417 -013.8263 +22 148 -19 21:11:29 +44.9506 -014.5971 +22 147 -19 21:11:35 +44.4733 -015.3724 +22 146 -19 21:11:40 +44.0092 -016.1526 +22 145 -19 21:11:46 +43.5580 -016.9384 +22 145 -18 21:11:52 +43.1192 -017.7301 +22 144 -18 21:11:57 +42.6926 -018.5283 +22 143 -18 21:12:03 +42.2779 -019.3336 +22 142 -18 21:12:09 +41.8748 -020.1466 +22 141 -17 21:12:14 +41.4832 -020.9680 +22 141 -17 21:12:20 +41.1029 -021.7984 +22 140 -16 21:12:26 +40.7339 -022.6386 +22 139 -16 21:12:31 +40.3760 -023.4895 +22 138 -15 21:12:37 +40.0293 -024.3519 +21 137 -15 21:12:43 +39.6938 -025.2268 +21 136 -14 21:12:48 +39.3696 -026.1153 +21 136 -14 21:12:54 +39.0569 -027.0185 +21 135 -13 21:12:59 +38.7558 -027.9379 +21 134 -13 21:13:05 +38.4666 -028.8749 +20 133 -12 21:13:11 +38.1897 -029.8312 +20 132 -12 21:13:16 +37.9255 -030.8088 +19 132 -11 21:13:22 +37.6744 -031.8098 +19 131 -10 21:13:28 +37.4373 -032.8369 +19 130 -10 21:13:33 +37.2148 -033.8930 +18 129 -09 21:13:39 +37.0080 -034.9819 +18 128 -08 21:13:45 +36.8180 -036.1078 +17 127 -07 21:13:50 +36.6466 -037.2761 +16 126 -06 21:13:56 +36.4956 -038.4935 +16 125 -05 21:14:02 +36.3676 -039.7684 +15 124 -04 21:14:07 +36.2661 -041.1121 +14 124 -03 21:14:13 +36.1956 -042.5397 +13 123 -02 21:14:18 +36.1630 -044.0729 +12 122 -01 21:14:24 +36.1783 -045.7442 +11 120 +00 21:14:30 +36.2582 -047.6073 +10 119 +02 21:14:35 +36.4339 -049.7621 +08 118 +03 21:14:41 +36.7793 -052.4460 +06 116 +06 21:14:47 +37.6330 -056.7482 +03 114 +09 Longitude measured positiv to the East.

Occultation Ground Track

 ------------------ Time[UT] | Lat----CENTR----Lon | Alt hh:mm:ss | +DD.dddd  +DDD.dddd | deg ---------------------------------------------- 21:09:08   +67.2188  +003.1854   +05  166  -13 21:09:14   +64.8889  +002.9304   +08  166  -14 21:09:19   +63.1003  +002.4040   +09  165  -15 21:09:25   +61.5947  +001.7731   +11  165  -16 21:09:31   +60.2715  +001.0918   +12  164  -17 21:09:36   +59.0790  +000.3833   +13  163  -18 21:09:42   +57.9863  -000.3405   +14  162  -18 21:09:48   +56.9733  -001.0732   +15  162  -19 21:09:53   +56.0258  -001.8113   +15  161  -19 21:09:59   +55.1336  -002.5526   +16  160  -19 21:10:05   +54.2889  -003.2957   +17  159  -20 21:10:10   +53.4858  -004.0400   +17  158  -20 21:10:16   +52.7193  -004.7851   +18  158  -20 21:10:21   +51.9857  -005.5308   +18  157  -20 21:10:27   +51.2818  -006.2772   +19  156  -20 21:10:33   +50.6048  -007.0243   +19  155  -20 21:10:38   +49.9525  -007.7724   +20  154  -20 21:10:44   +49.3230  -008.5217   +20  154  -20 21:10:50   +48.7147  -009.2724   +20  153  -20 21:10:55   +48.1261  -010.0249   +21  152  -20 21:11:01   +47.5561  -010.7795   +21  151  -20 21:11:07   +47.0035  -011.5365   +21  150  -20 21:11:12   +46.4675  -012.2964   +21  150  -20 21:11:18   +45.9471  -013.0595   +22  149  -20 21:11:24   +45.4417  -013.8263   +22  148  -19 21:11:29   +44.9506  -014.5971   +22  147  -19 21:11:35   +44.4733  -015.3724   +22  146  -19 21:11:40   +44.0092  -016.1526   +22  145  -19 21:11:46   +43.5580  -016.9384   +22  145  -18 21:11:52   +43.1192  -017.7301   +22  144  -18 21:11:57   +42.6926  -018.5283   +22  143  -18 21:12:03   +42.2779  -019.3336   +22  142  -18 21:12:09   +41.8748  -020.1466   +22  141  -17 21:12:14   +41.4832  -020.9680   +22  141  -17 21:12:20   +41.1029  -021.7984   +22  140  -16 21:12:26   +40.7339  -022.6386   +22  139  -16 21:12:31   +40.3760  -023.4895   +22  138  -15 21:12:37   +40.0293  -024.3519   +21  137  -15 21:12:43   +39.6938  -025.2268   +21  136  -14 21:12:48   +39.3696  -026.1153   +21  136  -14 21:12:54   +39.0569  -027.0185   +21  135  -13 21:12:59   +38.7558  -027.9379   +21  134  -13 21:13:05   +38.4666  -028.8749   +20  133  -12 21:13:11   +38.1897  -029.8312   +20  132  -12 21:13:16   +37.9255  -030.8088   +19  132  -11 21:13:22   +37.6744  -031.8098   +19  131  -10 21:13:28   +37.4373  -032.8369   +19  130  -10 21:13:33   +37.2148  -033.8930   +18  129  -09 21:13:39   +37.0080  -034.9819   +18  128  -08 21:13:45   +36.8180  -036.1078   +17  127  -07 21:13:50   +36.6466  -037.2761   +16  126  -06 21:13:56   +36.4956  -038.4935   +16  125  -05 21:14:02   +36.3676  -039.7684   +15  124  -04 21:14:07   +36.2661  -041.1121   +14  124  -03 21:14:13   +36.1956  -042.5397   +13  123  -02 21:14:18   +36.1630  -044.0729   +12  122  -01 21:14:24   +36.1783  -045.7442   +11  120  +00 21:14:30   +36.2582  -047.6073   +10  119  +02 21:14:35   +36.4339  -049.7621   +08  118  +03 21:14:41   +36.7793  -052.4460   +06  116  +06 21:14:47   +37.6330  -056.7482   +03  114  +09

Longitude measured positiv to the East.

------------------------------------------------------------------------- Azm Sun | Lat----EDGE1----Lon | Lat----EDGE2----Lon deg deg | +DD.dddd +DDD.dddd | +DD.dddd +DDD.dddd --------------------------------------------- +64.7803 +004.8889 +72.5524 -001.5629 +62.9973 +004.2461 +67.4613 +000.9089 +61.4911 +003.5335 +65.0617 +000.8972 +60.1650 +002.7902 +63.2525 +000.5029 +58.9687 +002.0327 +61.7393 -000.0385 +57.8716 +001.2689 +60.4138 -000.6532 +56.8539 +000.5030 +59.2217 -001.3096 +55.9016 -000.2630 +58.1307 -001.9914 +55.0045 -001.0278 +57.1203 -002.6896 +54.1549 -001.7910 +56.1761 -003.3989 +53.3468 -002.5524 +55.2875 -004.1160 +52.5754 -003.3120 +54.4467 -004.8387 +51.8368 -004.0700 +53.6477 -005.5657 +51.1278 -004.8267 +52.8856 -006.2962 +50.4457 -005.5823 +52.1565 -007.0297 +49.7883 -006.3373 +51.4571 -007.7660 +49.1537 -007.0920 +50.7849 -008.5049 +48.5401 -007.8468 +50.1374 -009.2464 +47.9462 -008.6021 +49.5130 -009.9907 +47.3708 -009.3583 +48.9098 -010.7379 +46.8127 -010.1158 +48.3265 -011.4883 +46.2710 -010.8749 +47.7619 -012.2421 +45.7448 -011.6362 +47.2150 -012.9996 +45.2335 -012.4000 +46.6846 -013.7612 +44.7363 -013.1669 +46.1702 -014.5272 +44.2528 -013.9371 +45.6709 -015.2980 +43.7823 -014.7113 +45.1861 -016.0741 +43.3245 -015.4897 +44.7153 -016.8558 +42.8789 -016.2731 +44.2580 -017.6438 +42.4452 -017.0617 +43.8139 -018.4385 +42.0231 -017.8563 +43.3825 -019.2404 +41.6123 -018.6573 +42.9635 -020.0502 +41.2127 -019.4653 +42.5567 -020.8685 +40.8241 -020.2809 +42.1620 -021.6959 +40.4463 -021.1049 +41.7792 -022.5333 +40.0792 -021.9379 +41.4081 -023.3815 +39.7229 -022.7806 +41.0488 -024.2413 +39.3772 -023.6339 +40.7012 -025.1137 +39.0422 -024.4988 +40.3654 -025.9997 +38.7180 -025.3761 +40.0415 -026.9007 +38.4047 -026.2670 +39.7297 -027.8179 +38.1024 -027.1726 +39.4303 -028.7528 +37.8114 -028.0943 +39.1435 -029.7072 +37.5319 -029.0337 +38.8697 -030.6829 +37.2644 -029.9923 +38.6096 -031.6823 +37.0093 -030.9721 +38.3636 -032.7079 +36.7670 -031.9753 +38.1328 -033.7629 +36.5383 -033.0046 +37.9179 -034.8508 +36.3240 -034.0628 +37.7204 -035.9762 +36.1251 -035.1537 +37.5417 -037.1444 +35.9428 -036.2814 +37.3838 -038.3622 +35.7787 -037.4514 +37.2495 -039.6385 +35.6347 -038.6702 +37.1423 -040.9846 +35.5135 -039.9461 +37.0668 -042.4164 +35.4182 -041.2903 +37.0303 -043.9563 +35.3536 -042.7175 +37.0431 -045.6386 +35.3262 -044.2490 +37.1233 -047.5202 +35.3459 -045.9164 +37.3047 -049.7103 +35.4286 -047.7713 +37.6717 -052.4792 +35.6040 -049.9090 +38.7176 -057.4122 +35.9406 -052.5492 +38.3186 -057.7728 Azimuth (Azm) measured from North to East.

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