Stellar Occultation by (856) Backlunda on 2023-07-11 (20:11:56 UT)
| Event Details |
Occultation UUID [and db] : d84dfec0-ddb3-11f0-547e-eac23e9f1c62 [observed]
Occultation Date + Time : 2023-07-11 at 20:11:56 UT +/- 0.0 min [1]
Object Designation : (856) Backlunda
Star Designation : GDR3 4102090798798567680
Star Coordinates (ICRF) : RA = 18 50 53.7918, DE = -14 06 51.848 [2]
Star Magnitudes : G = 13.77 mag, RP = 13.08 mag, BP = 14.29 mag
Object Magnitude : V = 13.89 mag
Estimated Magnitude Drop : 0.8 mag
Estimated Max. Duration : 4.6 sec
Speed of the shadow : 11.3 km/s
Object Mean Diameter : 52.0 km (src: astorb) => apparent = 52 mas
Apparent Motion : 0.6800 arcs/min @ PA = 239 deg
Horizontal Parallax : 6.3860 arcs
Dynamical Class : MBA
Elongation to Moon & Sun : 118° (sunlit = 31%), Sun = 169°
Cross-track uncertainty : 0.4 mas = 0 km = 0.01 path-width (1-sig)
RUWE and duplicate source : 1.73 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL112
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 |
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Time[UT] | Lat----CENTR----Lon | Alt Azm Sun | Lat----EDGE1----Lon | Lat----EDGE2----Lon
hh:mm:ss | +DD.dddd +DDD.dddd | deg deg deg | +DD.dddd +DDD.dddd | +DD.dddd +DDD.dddd
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20:08:42 +71.4668 +014.0945 +01 144 +09 +67.9353 +020.9202 -- --
20:08:45 +69.1358 +017.8236 +03 148 +06 +66.9160 +021.5963 -- --
20:08:48 +67.8475 +019.1335 +05 149 +05 +66.0320 +022.0333 -- --
20:08:51 +66.8213 +019.9024 +06 149 +04 +65.2386 +022.3224 +69.1831 +015.6338
20:08:54 +65.9366 +020.4035 +07 150 +03 +64.5116 +022.5108 +67.8243 +017.2184
20:08:56 +65.1450 +020.7418 +07 150 +02 +63.8363 +022.6260 +66.7757 +018.1164
20:08:59 +64.4209 +020.9699 +08 150 +01 +63.2027 +022.6860 +65.8820 +018.7002
20:09:02 +63.7490 +021.1187 +09 150 +01 +62.6037 +022.7026 +65.0868 +019.0989
20:09:05 +63.1190 +021.2074 +09 150 +00 +62.0341 +022.6846 +64.3618 +019.3745
20:09:08 +62.5236 +021.2493 +10 150 +00 +61.4899 +022.6383 +63.6903 +019.5621
20:09:10 +61.9577 +021.2537 +10 150 -01 +60.9680 +022.5683 +63.0616 +019.6838
20:09:13 +61.4172 +021.2274 +11 150 -01 +60.4659 +022.4785 +62.4681 +019.7541
20:09:16 +60.8988 +021.1757 +11 150 -02 +59.9814 +022.3718 +61.9043 +019.7833
20:09:19 +60.4002 +021.1024 +12 150 -02 +59.5128 +022.2505 +61.3661 +019.7792
20:09:22 +59.9191 +021.0108 +12 150 -02 +59.0587 +022.1166 +60.8503 +019.7472
20:09:25 +59.4538 +020.9033 +12 150 -03 +58.6179 +021.9715 +60.3541 +019.6918
20:09:27 +59.0030 +020.7822 +13 150 -03 +58.1893 +021.8166 +59.8756 +019.6164
20:09:30 +58.5653 +020.6489 +13 150 -03 +57.7719 +021.6531 +59.4130 +019.5238
20:09:33 +58.1397 +020.5050 +14 149 -04 +57.3650 +021.4817 +58.9647 +019.4162
20:09:36 +57.7254 +020.3516 +14 149 -04 +56.9678 +021.3034 +58.5296 +019.2954
20:09:39 +57.3214 +020.1897 +14 149 -04 +56.5797 +021.1188 +58.1066 +019.1630
20:09:41 +56.9270 +020.0201 +14 149 -05 +56.2001 +020.9284 +57.6948 +019.0203
20:09:44 +56.5417 +019.8437 +15 149 -05 +55.8286 +020.7328 +57.2933 +018.8683
20:09:47 +56.1649 +019.6610 +15 148 -05 +55.4646 +020.5325 +56.9015 +018.7079
20:09:50 +55.7961 +019.4726 +15 148 -05 +55.1078 +020.3277 +56.5187 +018.5400
20:09:53 +55.4348 +019.2789 +15 148 -05 +54.7578 +020.1189 +56.1443 +018.3653
20:09:55 +55.0806 +019.0804 +16 148 -06 +54.4143 +019.9063 +55.7779 +018.1842
20:09:58 +54.7332 +018.8774 +16 147 -06 +54.0768 +019.6903 +55.4190 +017.9974
20:10:01 +54.3922 +018.6702 +16 147 -06 +53.7453 +019.4710 +55.0672 +017.8052
20:10:04 +54.0572 +018.4592 +16 147 -06 +53.4193 +019.2486 +54.7221 +017.6082
20:10:07 +53.7281 +018.2446 +17 147 -07 +53.0987 +019.0233 +54.3834 +017.4066
20:10:10 +53.4045 +018.0266 +17 146 -07 +52.7831 +018.7954 +54.0508 +017.2007
20:10:12 +53.0863 +017.8055 +17 146 -07 +52.4726 +018.5649 +53.7240 +016.9908
20:10:15 +52.7732 +017.5813 +17 146 -07 +52.1667 +018.3319 +53.4027 +016.7773
20:10:18 +52.4649 +017.3543 +17 146 -07 +51.8653 +018.0966 +53.0867 +016.5602
20:10:21 +52.1614 +017.1245 +18 145 -07 +51.5684 +017.8592 +52.7758 +016.3398
20:10:24 +51.8623 +016.8922 +18 145 -08 +51.2757 +017.6196 +52.4698 +016.1162
20:10:26 +51.5677 +016.6575 +18 145 -08 +50.9870 +017.3780 +52.1685 +015.8896
20:10:29 +51.2772 +016.4204 +18 145 -08 +50.7023 +017.1344 +51.8716 +015.6602
20:10:32 +50.9908 +016.1810 +18 144 -08 +50.4214 +016.8889 +51.5792 +015.4281
20:10:35 +50.7083 +015.9394 +18 144 -08 +50.1442 +016.6416 +51.2909 +015.1933
20:10:38 +50.4296 +015.6958 +18 144 -08 +49.8706 +016.3925 +51.0067 +014.9561
20:10:41 +50.1546 +015.4500 +19 144 -08 +49.6004 +016.1417 +50.7264 +014.7164
20:10:43 +49.8832 +015.2023 +19 143 -08 +49.3336 +015.8893 +50.4499 +014.4744
20:10:46 +49.6152 +014.9527 +19 143 -08 +49.0701 +015.6351 +50.1770 +014.2301
20:10:49 +49.3506 +014.7012 +19 143 -09 +48.8098 +015.3794 +49.9078 +013.9836
20:10:52 +49.0893 +014.4478 +19 142 -09 +48.5526 +015.1220 +49.6420 +013.7349
20:10:55 +48.8312 +014.1927 +19 142 -09 +48.2984 +014.8631 +49.3796 +013.4842
20:10:57 +48.5762 +013.9357 +19 142 -09 +48.0471 +014.6026 +49.1204 +013.2314
20:11:00 +48.3241 +013.6770 +19 142 -09 +47.7988 +014.3406 +48.8644 +012.9766
20:11:03 +48.0751 +013.4166 +19 141 -09 +47.5532 +014.0772 +48.6116 +012.7198
20:11:06 +47.8289 +013.1545 +20 141 -09 +47.3104 +013.8121 +48.3618 +012.4611
20:11:09 +47.5855 +012.8907 +20 141 -09 +47.0703 +013.5457 +48.1149 +012.2005
20:11:12 +47.3449 +012.6252 +20 140 -09 +46.8328 +013.2777 +47.8709 +011.9380
20:11:14 +47.1070 +012.3581 +20 140 -09 +46.5979 +013.0082 +47.6298 +011.6735
20:11:17 +46.8717 +012.0893 +20 140 -09 +46.3655 +012.7373 +47.3914 +011.4073
20:11:20 +46.6390 +011.8188 +20 140 -09 +46.1356 +012.4648 +47.1557 +011.1391
20:11:23 +46.4088 +011.5467 +20 139 -09 +45.9081 +012.1909 +46.9226 +010.8691
20:11:26 +46.1811 +011.2729 +20 139 -09 +45.6830 +011.9155 +46.6922 +010.5973
20:11:28 +45.9559 +010.9975 +20 139 -10 +45.4602 +011.6386 +46.4643 +010.3237
20:11:31 +45.7330 +010.7204 +20 138 -10 +45.2397 +011.3602 +46.2388 +010.0482
20:11:34 +45.5125 +010.4416 +20 138 -10 +45.0215 +011.0802 +46.0159 +009.7708
20:11:37 +45.2943 +010.1612 +20 138 -10 +44.8055 +010.7988 +45.7953 +009.4916
20:11:40 +45.0784 +009.8790 +20 138 -10 +44.5917 +010.5157 +45.5772 +009.2105
20:11:42 +44.8647 +009.5952 +20 137 -10 +44.3800 +010.2312 +45.3613 +008.9276
20:11:45 +44.6532 +009.3096 +20 137 -10 +44.1705 +009.9450 +45.1478 +008.6428
20:11:48 +44.4439 +009.0223 +20 137 -10 +43.9631 +009.6573 +44.9365 +008.3561
20:11:51 +44.2367 +008.7333 +20 136 -10 +43.7577 +009.3679 +44.7275 +008.0674
20:11:54 +44.0317 +008.4424 +20 136 -10 +43.5544 +009.0769 +44.5206 +007.7769
20:11:57 +43.8288 +008.1498 +20 136 -10 +43.3531 +008.7842 +44.3159 +007.4843
20:11:59 +43.6279 +007.8553 +20 135 -10 +43.1537 +008.4898 +44.1134 +007.1898
20:12:02 +43.4290 +007.5589 +20 135 -10 +42.9564 +008.1937 +43.9130 +006.8933
20:12:05 +43.2322 +007.2607 +20 135 -10 +42.7610 +007.8959 +43.7148 +006.5947
20:12:08 +43.0374 +006.9605 +20 135 -10 +42.5676 +007.5962 +43.5185 +006.2940
20:12:11 +42.8446 +006.6584 +20 134 -10 +42.3760 +007.2948 +43.3244 +005.9912
20:12:13 +42.6538 +006.3543 +20 134 -10 +42.1864 +006.9915 +43.1323 +005.6863
20:12:16 +42.4649 +006.0482 +20 134 -09 +41.9986 +006.6863 +42.9422 +005.3792
20:12:19 +42.2779 +005.7400 +20 133 -09 +41.8127 +006.3792 +42.7542 +005.0699
20:12:22 +42.0929 +005.4297 +20 133 -09 +41.6287 +006.0701 +42.5681 +004.7582
20:12:25 +41.9097 +005.1172 +20 133 -09 +41.4465 +005.7590 +42.3840 +004.4443
20:12:28 +41.7285 +004.8026 +20 132 -09 +41.2662 +005.4459 +42.2019 +004.1280
20:12:30 +41.5492 +004.4856 +20 132 -09 +41.0876 +005.1306 +42.0218 +003.8092
20:12:33 +41.3718 +004.1664 +20 132 -09 +40.9109 +004.8132 +41.8436 +003.4880
20:12:36 +41.1962 +003.8448 +20 131 -09 +40.7360 +004.4936 +41.6674 +003.1642
20:12:39 +41.0225 +003.5208 +20 131 -09 +40.5629 +004.1717 +41.4931 +002.8378
20:12:42 +40.8507 +003.1942 +20 131 -09 +40.3917 +003.8475 +41.3208 +002.5088
20:12:44 +40.6807 +002.8652 +20 131 -09 +40.2222 +003.5209 +41.1504 +002.1770
20:12:47 +40.5127 +002.5335 +20 130 -09 +40.0545 +003.1919 +40.9820 +001.8424
20:12:50 +40.3465 +002.1991 +20 130 -09 +39.8886 +002.8604 +40.8155 +001.5048
20:12:53 +40.1821 +001.8620 +20 130 -09 +39.7245 +002.5263 +40.6509 +001.1643
20:12:56 +40.0197 +001.5220 +19 129 -09 +39.5622 +002.1895 +40.4883 +000.8207
20:12:58 +39.8591 +001.1790 +19 129 -08 +39.4018 +001.8500 +40.3277 +000.4740
20:13:01 +39.7004 +000.8331 +19 129 -08 +39.2431 +001.5077 +40.1691 +000.1240
20:13:04 +39.5436 +000.4840 +19 128 -08 +39.0863 +001.1625 +40.0124 -000.2294
20:13:07 +39.3887 +000.1317 +19 128 -08 +38.9313 +000.8143 +39.8577 -000.5863
20:13:10 +39.2357 -000.2239 +19 128 -08 +38.7781 +000.4630 +39.7051 -000.9468
20:13:13 +39.0847 -000.5830 +19 127 -08 +38.6268 +000.1085 +39.5545 -001.3110
20:13:15 +38.9356 -000.9456 +19 127 -08 +38.4773 -000.2493 +39.4059 -001.6790
20:13:18 +38.7885 -001.3119 +19 127 -08 +38.3297 -000.6105 +39.2594 -002.0511
20:13:21 +38.6434 -001.6820 +18 126 -07 +38.1841 -000.9752 +39.1150 -002.4274
20:13:24 +38.5003 -002.0561 +18 126 -07 +38.0403 -001.3436 +38.9727 -002.8079
20:13:27 +38.3592 -002.4343 +18 126 -07 +37.8985 -001.7158 +38.8326 -003.1930
20:13:29 +38.2202 -002.8168 +18 125 -07 +37.7586 -002.0919 +38.6947 -003.5827
20:13:32 +38.0833 -003.2038 +18 125 -07 +37.6208 -002.4721 +38.5590 -003.9773
20:13:35 +37.9486 -003.5953 +18 125 -07 +37.4850 -002.8566 +38.4256 -004.3770
20:13:38 +37.8161 -003.9918 +17 125 -07 +37.3512 -003.2454 +38.2945 -004.7821
20:13:41 +37.6857 -004.3932 +17 124 -06 +37.2196 -003.6389 +38.1658 -005.1927
20:13:44 +37.5577 -004.8000 +17 124 -06 +37.0900 -004.0373 +38.0396 -005.6092
20:13:46 +37.4320 -005.2123 +17 124 -06 +36.9627 -004.4406 +37.9159 -006.0319
20:13:49 +37.3087 -005.6304 +17 123 -06 +36.8376 -004.8492 +37.7947 -006.4610
20:13:52 +37.1878 -006.0545 +16 123 -06 +36.7148 -005.2633 +37.6762 -006.8969
20:13:55 +37.0695 -006.4851 +16 123 -05 +36.5944 -005.6832 +37.5605 -007.3400
20:13:58 +36.9538 -006.9225 +16 122 -05 +36.4763 -006.1091 +37.4476 -007.7908
20:14:00 +36.8407 -007.3670 +16 122 -05 +36.3608 -006.5414 +37.3376 -008.2496
20:14:03 +36.7305 -007.8190 +16 122 -05 +36.2478 -006.9805 +37.2308 -008.7171
20:14:06 +36.6232 -008.2791 +15 121 -04 +36.1375 -007.4267 +37.1272 -009.1937
20:14:09 +36.5189 -008.7476 +15 121 -04 +36.0299 -007.8803 +37.0269 -009.6801
20:14:12 +36.4178 -009.2252 +15 120 -04 +35.9252 -008.3420 +36.9302 -010.1770
20:14:15 +36.3200 -009.7126 +14 120 -04 +35.8235 -008.8120 +36.8373 -010.6852
20:14:17 +36.2257 -010.2103 +14 120 -03 +35.7249 -009.2912 +36.7483 -011.2056
20:14:20 +36.1351 -010.7191 +14 119 -03 +35.6296 -009.7799 +36.6636 -011.7393
20:14:23 +36.0484 -011.2401 +14 119 -03 +35.5377 -010.2790 +36.5834 -012.2874
20:14:26 +35.9658 -011.7741 +13 119 -02 +35.4495 -010.7892 +36.5081 -012.8514
20:14:29 +35.8877 -012.3223 +13 118 -02 +35.3651 -011.3113 +36.4382 -013.4328
20:14:31 +35.8145 -012.8861 +13 118 -02 +35.2849 -011.8465 +36.3740 -014.0335
20:14:34 +35.7464 -013.4671 +12 117 -01 +35.2091 -012.3957 +36.3162 -014.6560
20:14:37 +35.6840 -014.0671 +12 117 -01 +35.1380 -012.9605 +36.2655 -015.3028
20:14:40 +35.6278 -014.6882 +11 117 -01 +35.0720 -013.5422 +36.2228 -015.9775
20:14:43 +35.5786 -015.3333 +11 116 +00 +35.0116 -014.1427 +36.1891 -016.6844
20:14:45 +35.5371 -016.0056 +10 116 +00 +34.9574 -014.7641 +36.1661 -017.4292
20:14:48 +35.5045 -016.7092 +10 115 +01 +34.9101 -015.4092 +36.1554 -018.2191
20:14:51 +35.4821 -017.4494 +09 115 +01 +34.8703 -016.0811 +36.1598 -019.0645
20:14:54 +35.4717 -018.2331 +09 114 +02 +34.8393 -016.7838 +36.1831 -019.9801
20:14:57 +35.4757 -019.0700 +08 114 +03 +34.8182 -017.5224 +36.2312 -020.9887
20:15:00 +35.4976 -019.9736 +08 113 +03 +34.8089 -018.3036 +36.3141 -022.1293
20:15:02 +35.5428 -020.9645 +07 113 +04 +34.8136 -019.1366 +36.4515 -023.4788
20:15:05 +35.6201 -022.0770 +06 112 +05 +34.8358 -020.0343 +36.6966 -025.2437
20:15:08 +35.7461 -023.3758 +05 111 +06 +34.8803 -021.0161 -- --
20:15:11 +35.9615 -025.0190 +04 110 +07 +34.9553 -022.1135 -- --
20:15:14 +36.4804 -027.8404 +01 109 +09 +35.0758 -023.3850 -- --
Longitude measured positiv to the East. Azimuth (Azm) measured from North to East. |