Cora»OccDetail

Stellar Occultation by (170692) 2004 BV9 on 2023-08-07 (20:39:53 UT)

Event Details
Occultation UUID [and db] : e6347f50-ddb3-11f0-547e-541ef5ff9c9a [observed] Occultation Date + Time : 2023-08-07 at 20:39:53 UT +/- 0.01 min [1] Object Designation : (170692) 2004 BV9 Star Designation : GDR3 6833432983869879040 Star Coordinates (ICRF) : RA = 21 04 23.1988, DE = -19 19 17.061 [2] Star Magnitudes : G = 10.04 mag, RP = 9.43 mag, BP = 10.47 mag Object Magnitude : V = 19.96 mag Estimated Magnitude Drop : 9.9 mag Estimated Max. Duration : 0.2 sec Speed of the shadow : 13.5 km/s Object Mean Diameter : 2.9 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.4833 arcs/min @ PA = 258 deg Horizontal Parallax : 3.8030 arcs Dynamical Class : MBA Elongation to Moon & Sun : 85° (sunlit = 56%), Sun = 177° Cross-track uncertainty : 2.8 mas = 4 km = 1.62 path-width (1-sig) RUWE and duplicate source : 6.38 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#35 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

 Occultation UUID [and db] : e6347f50-ddb3-11f0-547e-541ef5ff9c9a [observed]

 Occultation Date + Time   : 2023-08-07 at 20:39:53 UT +/- 0.01 min  [1]
 Object Designation        : (170692) 2004 BV9
 Star Designation          : GDR3 6833432983869879040
 Star Coordinates (ICRF)   : RA = 21 04 23.1988, DE = -19 19 17.061  [2]
 Star Magnitudes           : G = 10.04 mag, RP = 9.43 mag, BP = 10.47 mag
 Object Magnitude          : V = 19.96 mag
 Estimated Magnitude Drop  : 9.9 mag
 Estimated Max. Duration   : 0.2 sec
 Speed of the shadow       : 13.5 km/s
 Object Mean Diameter      : 2.9 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.4833 arcs/min @ PA = 258 deg
 Horizontal Parallax       : 3.8030 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 85° (sunlit = 56%), Sun = 177°
 Cross-track uncertainty   : 2.8 mas = 4 km = 1.62 path-width (1-sig)
 RUWE and duplicate source : 6.38 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#35
 Note                      : FP:true

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

More Data and Informations

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Occultation Ground Track
Time[UT] \| Lat----CENTR----Lon \| Alt hh:mm:ss \| +DD.dddd +DDD.dddd \| deg ---------------------------------------------- 20:36:16 +61.1757 +082.5712 +06 210 -09 20:36:24 +58.7209 +078.1256 +09 206 -12 20:36:31 +56.9923 +074.9340 +11 203 -14 20:36:39 +55.5972 +072.2997 +13 201 -16 20:36:46 +54.4062 +069.9959 +14 199 -18 20:36:54 +53.3570 +067.9151 +16 197 -19 20:37:01 +52.4141 +065.9965 +17 195 -20 20:37:09 +51.5550 +064.2016 +18 193 -21 20:37:16 +50.7644 +062.5046 +19 192 -22 20:37:24 +50.0312 +060.8868 +20 190 -23 20:37:31 +49.3473 +059.3345 +21 189 -24 20:37:39 +48.7063 +057.8371 +22 187 -25 20:37:46 +48.1034 +056.3861 +22 186 -25 20:37:54 +47.5344 +054.9748 +23 185 -26 20:38:01 +46.9963 +053.5978 +24 183 -27 20:38:09 +46.4862 +052.2503 +24 182 -27 20:38:16 +46.0021 +050.9283 +25 181 -28 20:38:24 +45.5419 +049.6287 +25 179 -28 20:38:31 +45.1042 +048.3482 +26 178 -29 20:38:39 +44.6875 +047.0845 +26 177 -29 20:38:46 +44.2907 +045.8350 +26 175 -29 20:38:54 +43.9128 +044.5979 +27 174 -29 20:39:01 +43.5530 +043.3711 +27 173 -30 20:39:09 +43.2104 +042.1528 +27 171 -30 20:39:16 +42.8845 +040.9415 +27 170 -30 20:39:24 +42.5746 +039.7357 +27 169 -30 20:39:31 +42.2805 +038.5337 +27 168 -30 20:39:39 +42.0016 +037.3344 +28 166 -30 20:39:46 +41.7377 +036.1362 +28 165 -30 20:39:54 +41.4885 +034.9379 +28 164 -30 20:40:01 +41.2538 +033.7381 +28 163 -30 20:40:09 +41.0336 +032.5355 +28 161 -30 20:40:16 +40.8277 +031.3288 +27 160 -30 20:40:24 +40.6363 +030.1166 +27 159 -30 20:40:31 +40.4592 +028.8974 +27 158 -30 20:40:39 +40.2967 +027.6697 +27 156 -29 20:40:46 +40.1490 +026.4321 +27 155 -29 20:40:54 +40.0163 +025.1828 +26 154 -29 20:41:01 +39.8990 +023.9199 +26 153 -28 20:41:09 +39.7975 +022.6416 +26 152 -28 20:41:16 +39.7124 +021.3456 +25 150 -27 20:41:24 +39.6443 +020.0295 +25 149 -27 20:41:31 +39.5940 +018.6905 +24 148 -26 20:41:39 +39.5625 +017.3256 +24 147 -26 20:41:46 +39.5510 +015.9312 +23 145 -25 20:41:54 +39.5610 +014.5031 +23 144 -25 20:42:01 +39.5940 +013.0362 +22 143 -24 20:42:09 +39.6524 +011.5247 +21 142 -23 20:42:16 +39.7387 +009.9612 +20 140 -22 20:42:24 +39.8564 +008.3365 +20 139 -21 20:42:31 +40.0099 +006.6389 +19 138 -20 20:42:39 +40.2051 +004.8529 +18 136 -19 20:42:46 +40.4501 +002.9572 +16 135 -18 20:42:54 +40.7565 +000.9212 +15 133 -17 20:43:01 +41.1422 -001.3018 +14 131 -15 20:43:09 +41.6373 -003.7902 +12 130 -13 20:43:16 +42.2995 -006.6958 +10 128 -11 20:43:24 +43.2756 -010.4045 +07 125 -08 20:43:31 +45.5828 -017.6082 +01 120 -03 Longitude measured positiv to the East.

Occultation Ground Track

 Time[UT] | Lat----CENTR----Lon | Alt hh:mm:ss | +DD.dddd  +DDD.dddd | deg ---------------------------------------------- 20:36:16   +61.1757  +082.5712   +06  210  -09 20:36:24   +58.7209  +078.1256   +09  206  -12 20:36:31   +56.9923  +074.9340   +11  203  -14 20:36:39   +55.5972  +072.2997   +13  201  -16 20:36:46   +54.4062  +069.9959   +14  199  -18 20:36:54   +53.3570  +067.9151   +16  197  -19 20:37:01   +52.4141  +065.9965   +17  195  -20 20:37:09   +51.5550  +064.2016   +18  193  -21 20:37:16   +50.7644  +062.5046   +19  192  -22 20:37:24   +50.0312  +060.8868   +20  190  -23 20:37:31   +49.3473  +059.3345   +21  189  -24 20:37:39   +48.7063  +057.8371   +22  187  -25 20:37:46   +48.1034  +056.3861   +22  186  -25 20:37:54   +47.5344  +054.9748   +23  185  -26 20:38:01   +46.9963  +053.5978   +24  183  -27 20:38:09   +46.4862  +052.2503   +24  182  -27 20:38:16   +46.0021  +050.9283   +25  181  -28 20:38:24   +45.5419  +049.6287   +25  179  -28 20:38:31   +45.1042  +048.3482   +26  178  -29 20:38:39   +44.6875  +047.0845   +26  177  -29 20:38:46   +44.2907  +045.8350   +26  175  -29 20:38:54   +43.9128  +044.5979   +27  174  -29 20:39:01   +43.5530  +043.3711   +27  173  -30 20:39:09   +43.2104  +042.1528   +27  171  -30 20:39:16   +42.8845  +040.9415   +27  170  -30 20:39:24   +42.5746  +039.7357   +27  169  -30 20:39:31   +42.2805  +038.5337   +27  168  -30 20:39:39   +42.0016  +037.3344   +28  166  -30 20:39:46   +41.7377  +036.1362   +28  165  -30 20:39:54   +41.4885  +034.9379   +28  164  -30 20:40:01   +41.2538  +033.7381   +28  163  -30 20:40:09   +41.0336  +032.5355   +28  161  -30 20:40:16   +40.8277  +031.3288   +27  160  -30 20:40:24   +40.6363  +030.1166   +27  159  -30 20:40:31   +40.4592  +028.8974   +27  158  -30 20:40:39   +40.2967  +027.6697   +27  156  -29 20:40:46   +40.1490  +026.4321   +27  155  -29 20:40:54   +40.0163  +025.1828   +26  154  -29 20:41:01   +39.8990  +023.9199   +26  153  -28 20:41:09   +39.7975  +022.6416   +26  152  -28 20:41:16   +39.7124  +021.3456   +25  150  -27 20:41:24   +39.6443  +020.0295   +25  149  -27 20:41:31   +39.5940  +018.6905   +24  148  -26 20:41:39   +39.5625  +017.3256   +24  147  -26 20:41:46   +39.5510  +015.9312   +23  145  -25 20:41:54   +39.5610  +014.5031   +23  144  -25 20:42:01   +39.5940  +013.0362   +22  143  -24 20:42:09   +39.6524  +011.5247   +21  142  -23 20:42:16   +39.7387  +009.9612   +20  140  -22 20:42:24   +39.8564  +008.3365   +20  139  -21 20:42:31   +40.0099  +006.6389   +19  138  -20 20:42:39   +40.2051  +004.8529   +18  136  -19 20:42:46   +40.4501  +002.9572   +16  135  -18 20:42:54   +40.7565  +000.9212   +15  133  -17 20:43:01   +41.1422  -001.3018   +14  131  -15 20:43:09   +41.6373  -003.7902   +12  130  -13 20:43:16   +42.2995  -006.6958   +10  128  -11 20:43:24   +43.2756  -010.4045   +07  125  -08 20:43:31   +45.5828  -017.6082   +01  120  -03

Longitude measured positiv to the East.

------------------------------------------------------------------------------------------- Azm Sun | Lat----EDGE1----Lon | Lat----EDGE2----Lon deg deg | +DD.dddd +DDD.dddd | +DD.dddd +DDD.dddd --------------------------------------------- +61.0735 +082.4643 +61.2799 +082.6811 +58.6514 +078.0731 +58.7910 +078.1788 +56.9349 +074.9003 +57.0500 +074.9680 +55.5466 +072.2761 +55.6481 +072.3235 +54.3600 +069.9786 +54.4525 +070.0133 +53.3140 +067.9023 +53.4001 +067.9280 +52.3736 +065.9869 +52.4547 +066.0061 +51.5165 +064.1947 +51.5937 +064.2086 +50.7275 +062.4997 +50.8014 +062.5095 +49.9956 +060.8836 +50.0669 +060.8901 +49.3128 +059.3327 +49.3819 +059.3363 +48.6728 +057.8365 +48.7399 +057.8376 +48.0707 +056.3866 +48.1361 +056.3856 +47.5025 +054.9763 +47.5664 +054.9734 +46.9650 +053.6001 +47.0276 +053.5955 +46.4555 +052.2533 +46.5170 +052.2472 +45.9719 +050.9321 +46.0323 +050.9246 +45.5122 +049.6330 +45.5717 +049.6243 +45.0749 +048.3532 +45.1336 +048.3432 +44.6586 +047.0900 +44.7165 +047.0789 +44.2621 +045.8411 +44.3194 +045.8290 +43.8845 +044.6045 +43.9412 +044.5913 +43.5249 +043.3781 +43.5811 +043.3640 +43.1826 +042.1603 +43.2382 +042.1453 +42.8569 +040.9495 +42.9121 +040.9335 +42.5472 +039.7441 +42.6021 +039.7272 +42.2532 +038.5426 +42.3078 +038.5248 +41.9745 +037.3437 +42.0287 +037.3250 +41.7107 +036.1460 +41.7647 +036.1264 +41.4616 +034.9481 +41.5154 +034.9277 +41.2270 +033.7488 +41.2806 +033.7274 +41.0069 +032.5467 +41.0604 +032.5244 +40.8011 +031.3404 +40.8545 +031.3172 +40.6096 +030.1286 +40.6629 +030.1045 +40.4326 +028.9099 +40.4859 +028.8848 +40.2701 +027.6828 +40.3234 +027.6566 +40.1223 +026.4457 +40.1757 +026.4185 +39.9896 +025.1970 +40.0431 +025.1685 +39.8722 +023.9347 +39.9258 +023.9051 +39.7706 +022.6570 +39.8245 +022.6261 +39.6853 +021.3617 +39.7395 +021.3294 +39.6170 +020.0464 +39.6715 +020.0125 +39.5666 +018.7082 +39.6215 +018.6728 +39.5349 +017.3442 +39.5902 +017.3070 +39.5231 +015.9508 +39.5790 +015.9116 +39.5327 +014.5237 +39.5893 +014.4824 +39.5654 +013.0581 +39.6227 +013.0143 +39.6232 +011.5480 +39.6815 +011.5014 +39.7090 +009.9860 +39.7684 +009.9363 +39.8261 +008.3632 +39.8868 +008.3098 +39.9788 +006.6678 +40.0411 +006.6100 +40.1730 +004.8844 +40.2373 +004.8212 +40.4167 +002.9920 +40.4835 +002.9222 +40.7215 +000.9603 +40.7916 +000.8819 +41.1050 -001.2568 +41.1796 -001.3470 +41.5967 -003.7366 +41.6780 -003.8441 +42.2534 -006.6278 +42.3459 -006.7645 +43.2171 -010.3043 +43.3346 -010.5062 +45.3842 -017.1375 +45.8484 -018.2570 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.