Cora»OccDetail

Stellar Occultation by (39845) 1998 BT35 on 2024-09-06 (02:19:08 UT)

Event Details
Occultation UUID [and db] : 6ea2afa0-ddb5-11f0-547e-d33df5f67617 [observed] Occultation Date + Time : 2024-09-06 at 02:19:08 UT +/- 0.0 min [1] Object Designation : (39845) 1998 BT35 Star Designation : GDR3 0154456339749860608 Star Coordinates (ICRF) : RA = 04 50 38.5899, DE = +27 27 27.545 [2] Star Magnitudes : G = 13.11 mag, RP = 12.27 mag, BP = 13.84 mag Object Magnitude : V = 18.2 mag Estimated Magnitude Drop : 5.1 mag Estimated Max. Duration : 0.2 sec Speed of the shadow : 19.8 km/s Object Mean Diameter : 4.5 km (src: astorb) => apparent = 4 mas Apparent Motion : 1.0017 arcs/min @ PA = 75 deg Horizontal Parallax : 5.3870 arcs Dynamical Class : MBA Elongation to Moon & Sun : 122° (sunlit = 8%), Sun = 89° Cross-track uncertainty : 0.3 mas = 0 km = 0.08 path-width (1-sig) RUWE and duplicate source : 1.0 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#58 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

 Occultation UUID [and db] : 6ea2afa0-ddb5-11f0-547e-d33df5f67617 [observed]

 Occultation Date + Time   : 2024-09-06 at 02:19:08 UT +/- 0.0 min  [1]
 Object Designation        : (39845) 1998 BT35
 Star Designation          : GDR3 0154456339749860608
 Star Coordinates (ICRF)   : RA = 04 50 38.5899, DE = +27 27 27.545  [2]
 Star Magnitudes           : G = 13.11 mag, RP = 12.27 mag, BP = 13.84 mag
 Object Magnitude          : V = 18.2 mag
 Estimated Magnitude Drop  : 5.1 mag
 Estimated Max. Duration   : 0.2 sec
 Speed of the shadow       : 19.8 km/s
 Object Mean Diameter      : 4.5 km  (src: astorb) => apparent = 4 mas
 Apparent Motion           : 1.0017 arcs/min @ PA = 75 deg
 Horizontal Parallax       : 5.3870 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 122° (sunlit = 8%), Sun = 89°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.08 path-width (1-sig)
 RUWE and duplicate source : 1.0 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#58
 Note                      : FP:true

 
 [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

More Data and Informations

SiMDA \| 3D Asteroid Catalogue \| Johnston Archive \| Star at CDS (Vizier) \| JPL Small-Body Node \| Minor Planet Center \| Wikipedia

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Occultation Ground Track
Time[UT] \| Lat----CENTR----Lon \| Alt hh:mm:ss \| +DD.dddd +DDD.dddd \| deg ---------------------------------------------- 02:14:32 +16.6092 -038.0093 +06 063 -67 02:14:39 +20.1941 -031.9209 +13 065 -63 02:14:47 +22.5938 -028.0193 +18 067 -61 02:14:54 +24.5683 -024.8766 +21 068 -58 02:15:02 +26.3014 -022.1502 +24 070 -55 02:15:09 +27.8728 -019.6924 +27 071 -53 02:15:17 +29.3258 -017.4232 +29 073 -51 02:15:24 +30.6870 -015.2934 +31 074 -49 02:15:32 +31.9740 -013.2702 +33 076 -47 02:15:39 +33.1993 -011.3303 +35 078 -45 02:15:47 +34.3721 -009.4564 +37 079 -43 02:15:54 +35.4993 -007.6351 +38 081 -41 02:16:02 +36.5865 -005.8557 +40 083 -39 02:16:09 +37.6378 -004.1097 +42 085 -38 02:16:17 +38.6569 -002.3898 +43 087 -36 02:16:24 +39.6464 -000.6898 +44 088 -34 02:16:32 +40.6088 +000.9957 +46 091 -33 02:16:39 +41.5460 +002.6714 +47 093 -31 02:16:47 +42.4596 +004.3416 +48 095 -30 02:16:54 +43.3509 +006.0100 +49 097 -28 02:17:02 +44.2210 +007.6803 +50 100 -27 02:17:09 +45.0709 +009.3557 +51 102 -25 02:17:17 +45.9014 +011.0393 +52 105 -24 02:17:24 +46.7130 +012.7342 +53 107 -22 02:17:32 +47.5062 +014.4431 +54 110 -21 02:17:39 +48.2814 +016.1688 +55 113 -20 02:17:47 +49.0388 +017.9140 +56 116 -18 02:17:54 +49.7786 +019.6812 +56 119 -17 02:18:02 +50.5007 +021.4730 +57 123 -15 02:18:09 +51.2052 +023.2920 +58 126 -14 02:18:17 +51.8920 +025.1406 +58 130 -13 02:18:24 +52.5607 +027.0213 +59 133 -11 02:18:32 +53.2112 +028.9366 +59 137 -10 02:18:39 +53.8429 +030.8888 +59 141 -09 02:18:47 +54.4555 +032.8803 +60 144 -07 02:18:54 +55.0483 +034.9134 +60 148 -06 02:19:02 +55.6207 +036.9905 +60 152 -05 02:19:09 +56.1719 +039.1136 +60 156 -03 02:19:17 +56.7012 +041.2849 +60 161 -02 02:19:24 +57.2076 +043.5063 +60 165 -01 02:19:32 +57.6901 +045.7798 +59 169 +01 02:19:39 +58.1476 +048.1069 +59 173 +02 02:19:47 +58.5790 +050.4891 +59 177 +03 02:19:54 +58.9829 +052.9277 +58 182 +05 02:20:02 +59.3580 +055.4237 +58 186 +06 02:20:09 +59.7029 +057.9776 +57 190 +07 02:20:17 +60.0161 +060.5899 +57 194 +08 02:20:24 +60.2959 +063.2604 +56 198 +10 02:20:32 +60.5407 +065.9888 +56 203 +11 02:20:39 +60.7487 +068.7741 +55 207 +12 02:20:47 +60.9182 +071.6152 +54 211 +14 02:20:54 +61.0472 +074.5102 +53 215 +15 02:21:02 +61.1339 +077.4573 +52 219 +17 02:21:09 +61.1763 +080.4539 +51 223 +18 02:21:17 +61.1722 +083.4974 +50 227 +19 02:21:24 +61.1197 +086.5848 +49 231 +21 02:21:32 +61.0164 +089.7131 +48 235 +22 02:21:39 +60.8602 +092.8795 +47 239 +23 02:21:47 +60.6485 +096.0810 +45 242 +25 02:21:54 +60.3787 +099.3154 +44 246 +26 02:22:02 +60.0478 +102.5808 +43 250 +28 02:22:09 +59.6527 +105.8763 +41 254 +29 02:22:17 +59.1895 +109.2021 +40 257 +31 02:22:24 +58.6538 +112.5601 +38 261 +32 02:22:32 +58.0401 +115.9542 +36 264 +34 02:22:39 +57.3417 +119.3910 +35 268 +35 02:22:47 +56.5499 +122.8808 +33 271 +37 02:22:54 +55.6530 +126.4395 +31 275 +39 02:23:02 +54.6350 +130.0905 +28 278 +40 02:23:09 +53.4726 +133.8697 +26 282 +42 02:23:17 +52.1304 +137.8342 +23 285 +44 02:23:24 +50.5485 +142.0819 +20 289 +46 02:23:32 +48.6121 +146.8040 +17 293 +48 02:23:39 +46.0352 +152.4831 +12 297 +50 02:23:47 +41.1188 +162.0399 +04 304 +52 Longitude measured positiv to the East.

Occultation Ground Track

 Time[UT] | Lat----CENTR----Lon | Alt hh:mm:ss | +DD.dddd  +DDD.dddd | deg ---------------------------------------------- 02:14:32   +16.6092  -038.0093   +06  063  -67 02:14:39   +20.1941  -031.9209   +13  065  -63 02:14:47   +22.5938  -028.0193   +18  067  -61 02:14:54   +24.5683  -024.8766   +21  068  -58 02:15:02   +26.3014  -022.1502   +24  070  -55 02:15:09   +27.8728  -019.6924   +27  071  -53 02:15:17   +29.3258  -017.4232   +29  073  -51 02:15:24   +30.6870  -015.2934   +31  074  -49 02:15:32   +31.9740  -013.2702   +33  076  -47 02:15:39   +33.1993  -011.3303   +35  078  -45 02:15:47   +34.3721  -009.4564   +37  079  -43 02:15:54   +35.4993  -007.6351   +38  081  -41 02:16:02   +36.5865  -005.8557   +40  083  -39 02:16:09   +37.6378  -004.1097   +42  085  -38 02:16:17   +38.6569  -002.3898   +43  087  -36 02:16:24   +39.6464  -000.6898   +44  088  -34 02:16:32   +40.6088  +000.9957   +46  091  -33 02:16:39   +41.5460  +002.6714   +47  093  -31 02:16:47   +42.4596  +004.3416   +48  095  -30 02:16:54   +43.3509  +006.0100   +49  097  -28 02:17:02   +44.2210  +007.6803   +50  100  -27 02:17:09   +45.0709  +009.3557   +51  102  -25 02:17:17   +45.9014  +011.0393   +52  105  -24 02:17:24   +46.7130  +012.7342   +53  107  -22 02:17:32   +47.5062  +014.4431   +54  110  -21 02:17:39   +48.2814  +016.1688   +55  113  -20 02:17:47   +49.0388  +017.9140   +56  116  -18 02:17:54   +49.7786  +019.6812   +56  119  -17 02:18:02   +50.5007  +021.4730   +57  123  -15 02:18:09   +51.2052  +023.2920   +58  126  -14 02:18:17   +51.8920  +025.1406   +58  130  -13 02:18:24   +52.5607  +027.0213   +59  133  -11 02:18:32   +53.2112  +028.9366   +59  137  -10 02:18:39   +53.8429  +030.8888   +59  141  -09 02:18:47   +54.4555  +032.8803   +60  144  -07 02:18:54   +55.0483  +034.9134   +60  148  -06 02:19:02   +55.6207  +036.9905   +60  152  -05 02:19:09   +56.1719  +039.1136   +60  156  -03 02:19:17   +56.7012  +041.2849   +60  161  -02 02:19:24   +57.2076  +043.5063   +60  165  -01 02:19:32   +57.6901  +045.7798   +59  169  +01 02:19:39   +58.1476  +048.1069   +59  173  +02 02:19:47   +58.5790  +050.4891   +59  177  +03 02:19:54   +58.9829  +052.9277   +58  182  +05 02:20:02   +59.3580  +055.4237   +58  186  +06 02:20:09   +59.7029  +057.9776   +57  190  +07 02:20:17   +60.0161  +060.5899   +57  194  +08 02:20:24   +60.2959  +063.2604   +56  198  +10 02:20:32   +60.5407  +065.9888   +56  203  +11 02:20:39   +60.7487  +068.7741   +55  207  +12 02:20:47   +60.9182  +071.6152   +54  211  +14 02:20:54   +61.0472  +074.5102   +53  215  +15 02:21:02   +61.1339  +077.4573   +52  219  +17 02:21:09   +61.1763  +080.4539   +51  223  +18 02:21:17   +61.1722  +083.4974   +50  227  +19 02:21:24   +61.1197  +086.5848   +49  231  +21 02:21:32   +61.0164  +089.7131   +48  235  +22 02:21:39   +60.8602  +092.8795   +47  239  +23 02:21:47   +60.6485  +096.0810   +45  242  +25 02:21:54   +60.3787  +099.3154   +44  246  +26 02:22:02   +60.0478  +102.5808   +43  250  +28 02:22:09   +59.6527  +105.8763   +41  254  +29 02:22:17   +59.1895  +109.2021   +40  257  +31 02:22:24   +58.6538  +112.5601   +38  261  +32 02:22:32   +58.0401  +115.9542   +36  264  +34 02:22:39   +57.3417  +119.3910   +35  268  +35 02:22:47   +56.5499  +122.8808   +33  271  +37 02:22:54   +55.6530  +126.4395   +31  275  +39 02:23:02   +54.6350  +130.0905   +28  278  +40 02:23:09   +53.4726  +133.8697   +26  282  +42 02:23:17   +52.1304  +137.8342   +23  285  +44 02:23:24   +50.5485  +142.0819   +20  289  +46 02:23:32   +48.6121  +146.8040   +17  293  +48 02:23:39   +46.0352  +152.4831   +12  297  +50 02:23:47   +41.1188  +162.0399   +04  304  +52

Longitude measured positiv to the East.

------------------------------------------------------------------------------------------- Azm Sun | Lat----EDGE1----Lon | Lat----EDGE2----Lon deg deg | +DD.dddd +DDD.dddd | +DD.dddd +DDD.dddd --------------------------------------------- +16.5828 -038.1037 +16.6348 -037.9161 +20.1907 -031.9730 +20.1975 -031.8691 +22.5957 -028.0618 +22.5919 -027.9768 +24.5730 -024.9145 +24.5636 -024.8387 +26.3079 -022.1854 +26.2949 -022.1152 +27.8806 -019.7257 +27.8650 -019.6593 +29.3346 -017.4550 +29.3170 -017.3914 +30.6966 -015.3242 +30.6773 -015.2626 +31.9843 -013.3001 +31.9636 -013.2403 +33.2102 -011.3595 +33.1883 -011.3011 +34.3836 -009.4850 +34.3605 -009.4277 +35.5114 -007.6632 +35.4873 -007.6069 +36.5990 -005.8835 +36.5739 -005.8280 +37.6508 -004.1371 +37.6249 -004.0824 +38.6703 -002.4169 +38.6435 -002.3628 +39.6603 -000.7165 +39.6326 -000.6630 +40.6230 +000.9692 +40.5946 +001.0222 +41.5606 +002.6452 +41.5314 +002.6976 +42.4745 +004.3156 +42.4446 +004.3675 +43.3662 +005.9843 +43.3355 +006.0357 +44.2367 +007.6548 +44.2053 +007.7057 +45.0870 +009.3305 +45.0549 +009.3808 +45.9178 +011.0144 +45.8850 +011.0642 +46.7297 +012.7096 +46.6963 +012.7588 +47.5233 +014.4188 +47.4891 +014.4674 +48.2988 +016.1448 +48.2640 +016.1928 +49.0565 +017.8903 +49.0210 +017.9376 +49.7966 +019.6579 +49.7605 +019.7044 +50.5191 +021.4501 +50.4823 +021.4959 +51.2240 +023.2695 +51.1865 +023.3144 +51.9111 +025.1187 +51.8729 +025.1625 +52.5802 +026.9999 +52.5413 +027.0427 +53.2309 +028.9158 +53.1915 +028.9574 +53.8630 +030.8686 +53.8229 +030.9089 +54.4758 +032.8608 +54.4351 +032.8997 +55.0690 +034.8947 +55.0276 +034.9321 +55.6417 +036.9726 +55.5997 +037.0083 +56.1932 +039.0967 +56.1506 +039.1305 +56.7228 +041.2690 +56.6796 +041.3008 +57.2294 +043.4915 +57.1857 +043.5211 +57.7122 +045.7662 +57.6680 +045.7934 +58.1700 +048.0945 +58.1252 +048.1192 +58.6016 +050.4782 +58.5563 +050.5001 +59.0057 +052.9183 +58.9600 +052.9372 +59.3810 +055.4158 +59.3350 +055.4315 +59.7261 +057.9715 +59.6797 +057.9838 +60.0394 +060.5856 +59.9927 +060.5942 +60.3194 +063.2580 +60.2724 +063.2628 +60.5642 +065.9884 +60.5171 +065.9892 +60.7723 +068.7758 +60.7251 +068.7724 +60.9418 +071.6191 +60.8946 +071.6112 +61.0708 +074.5164 +61.0237 +074.5040 +61.1574 +077.4658 +61.1104 +077.4488 +61.1996 +080.4649 +61.1529 +080.4430 +61.1954 +083.5108 +61.1491 +083.4840 +61.1426 +086.6006 +61.0968 +086.5689 +61.0391 +089.7315 +60.9938 +089.6948 +60.8824 +092.9003 +60.8380 +092.8587 +60.6703 +096.1043 +60.6267 +096.0578 +60.4000 +099.3410 +60.3573 +099.2898 +60.0686 +102.6088 +60.0271 +102.5528 +59.6728 +105.9066 +59.6326 +105.8460 +59.2089 +109.2347 +59.1701 +109.1696 +58.6724 +112.5949 +58.6352 +112.5255 +58.0579 +115.9911 +58.0224 +115.9174 +57.3585 +119.4299 +57.3250 +119.3521 +56.5655 +122.9219 +56.5343 +122.8399 +55.6673 +126.4826 +55.6386 +126.3964 +54.6478 +130.1359 +54.6221 +130.0451 +53.4838 +133.9176 +53.4615 +133.8218 +52.1393 +137.8852 +52.1215 +137.7833 +50.5545 +142.1369 +50.5425 +142.0270 +48.6136 +146.8653 +48.6105 +146.7427 +46.0279 +152.5580 +46.0424 +152.4084 +41.0393 +162.2373 +41.1937 +161.8506 Azimuth (Azm) measured from North to East.

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.