Cora»OccDetail

Stellar Occultation by (81631) 2000 HD77 on 2024-06-29 (22:38:57 UT)

Event Details
Occultation UUID [and db] : e6ee6400-ddb4-11f0-547e-30c1d5ff17c3 [observed] Occultation Date + Time : 2024-06-29 at 22:38:57 UT +/- 0.02 min [1] Object Designation : (81631) 2000 HD77 Star Designation : GDR3 4064384387539596800 Star Coordinates (ICRF) : RA = 17 59 57.2460, DE = -25 35 27.123 [2] Star Magnitudes : G = 12.38 mag, RP = 12.07 mag, BP = 12.57 mag Object Magnitude : V = 18.94 mag Estimated Magnitude Drop : 6.6 mag Estimated Max. Duration : 0.3 sec Speed of the shadow : 11.0 km/s Object Mean Diameter : 3.0 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.5300 arcs/min @ PA = 259 deg Horizontal Parallax : 5.1260 arcs Dynamical Class : MBA Elongation to Moon & Sun : 112° (sunlit = 38%), Sun = 171° Cross-track uncertainty : 1.3 mas = 1 km = 0.54 path-width (1-sig) RUWE and duplicate source : 0.84 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#47 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

 Occultation UUID [and db] : e6ee6400-ddb4-11f0-547e-30c1d5ff17c3 [observed]

 Occultation Date + Time   : 2024-06-29 at 22:38:57 UT +/- 0.02 min  [1]
 Object Designation        : (81631) 2000 HD77
 Star Designation          : GDR3 4064384387539596800
 Star Coordinates (ICRF)   : RA = 17 59 57.2460, DE = -25 35 27.123  [2]
 Star Magnitudes           : G = 12.38 mag, RP = 12.07 mag, BP = 12.57 mag
 Object Magnitude          : V = 18.94 mag
 Estimated Magnitude Drop  : 6.6 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 11.0 km/s
 Object Mean Diameter      : 3.0 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.5300 arcs/min @ PA = 259 deg
 Horizontal Parallax       : 5.1260 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 112° (sunlit = 38%), Sun = 171°
 Cross-track uncertainty   : 1.3 mas = 1 km = 0.54 path-width (1-sig)
 RUWE and duplicate source : 0.84 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#47
 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 ---------------------------------------------- 22:35:16 +58.0013 +034.5221 +04 200 -08 22:35:24 +55.6653 +031.7488 +07 197 -11 22:35:31 +54.0487 +029.6483 +09 196 -13 22:35:39 +52.7566 +027.8509 +11 194 -14 22:35:46 +51.6618 +026.2361 +12 193 -15 22:35:54 +50.7038 +024.7466 +13 191 -16 22:36:01 +49.8481 +023.3492 +14 190 -17 22:36:09 +49.0732 +022.0230 +15 189 -18 22:36:16 +48.3641 +020.7536 +16 188 -18 22:36:24 +47.7104 +019.5306 +16 187 -19 22:36:31 +47.1041 +018.3461 +17 186 -20 22:36:39 +46.5393 +017.1943 +18 185 -20 22:36:46 +46.0112 +016.0701 +18 184 -21 22:36:54 +45.5159 +014.9696 +19 183 -21 22:37:01 +45.0505 +013.8897 +19 182 -21 22:37:09 +44.6124 +012.8276 +20 181 -22 22:37:16 +44.1994 +011.7808 +20 180 -22 22:37:24 +43.8098 +010.7474 +21 179 -22 22:37:31 +43.4419 +009.7256 +21 178 -23 22:37:39 +43.0947 +008.7137 +21 177 -23 22:37:46 +42.7668 +007.7104 +22 176 -23 22:37:54 +42.4575 +006.7143 +22 175 -23 22:38:01 +42.1658 +005.7242 +22 174 -23 22:38:09 +41.8911 +004.7391 +22 173 -23 22:38:16 +41.6328 +003.7578 +22 172 -23 22:38:24 +41.3903 +002.7795 +22 171 -23 22:38:31 +41.1633 +001.8030 +23 170 -23 22:38:39 +40.9513 +000.8277 +23 169 -23 22:38:46 +40.7542 -000.1475 +23 168 -23 22:38:54 +40.5716 -001.1234 +23 167 -23 22:39:01 +40.4034 -002.1009 +23 166 -23 22:39:09 +40.2496 -003.0809 +23 166 -23 22:39:16 +40.1099 -004.0641 +23 165 -23 22:39:24 +39.9846 -005.0516 +23 164 -22 22:39:31 +39.8735 -006.0443 +23 163 -22 22:39:39 +39.7769 -007.0431 +22 162 -22 22:39:46 +39.6949 -008.0491 +22 161 -22 22:39:54 +39.6278 -009.0633 +22 160 -21 22:40:01 +39.5758 -010.0869 +22 159 -21 22:40:09 +39.5395 -011.1212 +22 158 -21 22:40:16 +39.5192 -012.1676 +21 157 -20 22:40:24 +39.5157 -013.2275 +21 156 -20 22:40:31 +39.5295 -014.3027 +21 155 -19 22:40:39 +39.5616 -015.3951 +20 154 -19 22:40:46 +39.6129 -016.5067 +20 153 -18 22:40:54 +39.6847 -017.6402 +19 152 -18 22:41:01 +39.7784 -018.7983 +19 152 -17 22:41:09 +39.8958 -019.9845 +18 151 -16 22:41:16 +40.0390 -021.2027 +18 150 -16 22:41:24 +40.2107 -022.4578 +17 149 -15 22:41:31 +40.4142 -023.7560 +16 147 -14 22:41:39 +40.6537 -025.1047 +16 146 -13 22:41:46 +40.9349 -026.5138 +15 145 -12 22:41:54 +41.2650 -027.9966 +14 144 -11 22:42:01 +41.6546 -029.5713 +13 143 -10 22:42:09 +42.1189 -031.2649 +12 142 -09 22:42:16 +42.6822 -033.1197 +11 140 -08 22:42:24 +43.3868 -035.2100 +09 139 -06 22:42:31 +44.3215 -037.6914 +07 137 -04 22:42:39 +45.7576 -041.0401 +05 135 -02 Longitude measured positiv to the East.

Occultation Ground Track

 Time[UT] | Lat----CENTR----Lon | Alt hh:mm:ss | +DD.dddd  +DDD.dddd | deg ---------------------------------------------- 22:35:16   +58.0013  +034.5221   +04  200  -08 22:35:24   +55.6653  +031.7488   +07  197  -11 22:35:31   +54.0487  +029.6483   +09  196  -13 22:35:39   +52.7566  +027.8509   +11  194  -14 22:35:46   +51.6618  +026.2361   +12  193  -15 22:35:54   +50.7038  +024.7466   +13  191  -16 22:36:01   +49.8481  +023.3492   +14  190  -17 22:36:09   +49.0732  +022.0230   +15  189  -18 22:36:16   +48.3641  +020.7536   +16  188  -18 22:36:24   +47.7104  +019.5306   +16  187  -19 22:36:31   +47.1041  +018.3461   +17  186  -20 22:36:39   +46.5393  +017.1943   +18  185  -20 22:36:46   +46.0112  +016.0701   +18  184  -21 22:36:54   +45.5159  +014.9696   +19  183  -21 22:37:01   +45.0505  +013.8897   +19  182  -21 22:37:09   +44.6124  +012.8276   +20  181  -22 22:37:16   +44.1994  +011.7808   +20  180  -22 22:37:24   +43.8098  +010.7474   +21  179  -22 22:37:31   +43.4419  +009.7256   +21  178  -23 22:37:39   +43.0947  +008.7137   +21  177  -23 22:37:46   +42.7668  +007.7104   +22  176  -23 22:37:54   +42.4575  +006.7143   +22  175  -23 22:38:01   +42.1658  +005.7242   +22  174  -23 22:38:09   +41.8911  +004.7391   +22  173  -23 22:38:16   +41.6328  +003.7578   +22  172  -23 22:38:24   +41.3903  +002.7795   +22  171  -23 22:38:31   +41.1633  +001.8030   +23  170  -23 22:38:39   +40.9513  +000.8277   +23  169  -23 22:38:46   +40.7542  -000.1475   +23  168  -23 22:38:54   +40.5716  -001.1234   +23  167  -23 22:39:01   +40.4034  -002.1009   +23  166  -23 22:39:09   +40.2496  -003.0809   +23  166  -23 22:39:16   +40.1099  -004.0641   +23  165  -23 22:39:24   +39.9846  -005.0516   +23  164  -22 22:39:31   +39.8735  -006.0443   +23  163  -22 22:39:39   +39.7769  -007.0431   +22  162  -22 22:39:46   +39.6949  -008.0491   +22  161  -22 22:39:54   +39.6278  -009.0633   +22  160  -21 22:40:01   +39.5758  -010.0869   +22  159  -21 22:40:09   +39.5395  -011.1212   +22  158  -21 22:40:16   +39.5192  -012.1676   +21  157  -20 22:40:24   +39.5157  -013.2275   +21  156  -20 22:40:31   +39.5295  -014.3027   +21  155  -19 22:40:39   +39.5616  -015.3951   +20  154  -19 22:40:46   +39.6129  -016.5067   +20  153  -18 22:40:54   +39.6847  -017.6402   +19  152  -18 22:41:01   +39.7784  -018.7983   +19  152  -17 22:41:09   +39.8958  -019.9845   +18  151  -16 22:41:16   +40.0390  -021.2027   +18  150  -16 22:41:24   +40.2107  -022.4578   +17  149  -15 22:41:31   +40.4142  -023.7560   +16  147  -14 22:41:39   +40.6537  -025.1047   +16  146  -13 22:41:46   +40.9349  -026.5138   +15  145  -12 22:41:54   +41.2650  -027.9966   +14  144  -11 22:42:01   +41.6546  -029.5713   +13  143  -10 22:42:09   +42.1189  -031.2649   +12  142  -09 22:42:16   +42.6822  -033.1197   +11  140  -08 22:42:24   +43.3868  -035.2100   +09  139  -06 22:42:31   +44.3215  -037.6914   +07  137  -04 22:42:39   +45.7576  -041.0401   +05  135  -02

Longitude measured positiv to the East.

------------------------------------------------------------------------------------------- Azm Sun | Lat----EDGE1----Lon | Lat----EDGE2----Lon deg deg | +DD.dddd +DDD.dddd | +DD.dddd +DDD.dddd --------------------------------------------- +57.8560 +034.4350 +58.1513 +034.6133 +55.5706 +031.7059 +55.7612 +031.7926 +53.9720 +029.6207 +54.1260 +029.6763 +52.6899 +027.8314 +52.8238 +027.8705 +51.6015 +026.2220 +51.7224 +026.2505 +50.6481 +024.7361 +50.7597 +024.7572 +49.7959 +023.3415 +49.9005 +023.3570 +49.0237 +022.0174 +49.1227 +022.0286 +48.3169 +020.7498 +48.4114 +020.7574 +47.6650 +019.5282 +47.7558 +019.5329 +47.0603 +018.3450 +47.1480 +018.3473 +46.4968 +017.1942 +46.5818 +017.1943 +45.9699 +016.0710 +46.0525 +016.0692 +45.4757 +014.9714 +45.5563 +014.9679 +45.0111 +013.8922 +45.0900 +013.8872 +44.5738 +012.8308 +44.6511 +012.8244 +44.1615 +011.7847 +44.2374 +011.7770 +43.7724 +010.7519 +43.8471 +010.7430 +43.4052 +009.7306 +43.4788 +009.7206 +43.0584 +008.7192 +43.1310 +008.7082 +42.7310 +007.7164 +42.8028 +007.7044 +42.4220 +006.7208 +42.4930 +006.7078 +42.1307 +005.7312 +42.2010 +005.7173 +41.8563 +004.7465 +41.9260 +004.7317 +41.5982 +003.7657 +41.6674 +003.7500 +41.3560 +002.7877 +41.4247 +002.7712 +41.1291 +001.8118 +41.1975 +001.7943 +40.9174 +000.8368 +40.9853 +000.8185 +40.7204 -000.1379 +40.7881 -000.1571 +40.5379 -001.1134 +40.6054 -001.1335 +40.3698 -002.0905 +40.4371 -002.1114 +40.2160 -003.0700 +40.2832 -003.0918 +40.0764 -004.0528 +40.1435 -004.0756 +39.9510 -005.0398 +40.0181 -005.0635 +39.8399 -006.0319 +39.9071 -006.0567 +39.7432 -007.0302 +39.8106 -007.0560 +39.6612 -008.0356 +39.7286 -008.0625 +39.5939 -009.0493 +39.6616 -009.0773 +39.5418 -010.0723 +39.6099 -010.1015 +39.5053 -011.1060 +39.5737 -011.1365 +39.4848 -012.1517 +39.5537 -012.1835 +39.4810 -013.2109 +39.5504 -013.2442 +39.4945 -014.2853 +39.5645 -014.3202 +39.5262 -015.3768 +39.5969 -015.4134 +39.5771 -016.4875 +39.6487 -016.5260 +39.6484 -017.6199 +39.7210 -017.6605 +39.7416 -018.7769 +39.8152 -018.8198 +39.8583 -019.9618 +39.9333 -020.0072 +40.0008 -021.1785 +40.0773 -021.2269 +40.1716 -022.4320 +40.2499 -022.4837 +40.3740 -023.7282 +40.4544 -023.7838 +40.6123 -025.0747 +40.6953 -025.1348 +40.8919 -026.4811 +40.9779 -026.5467 +41.2201 -027.9606 +41.3100 -028.0328 +41.6073 -029.5311 +41.7021 -029.6118 +42.0684 -031.2192 +42.1697 -031.3110 +42.6271 -033.0662 +42.7375 -033.1737 +43.3248 -035.1445 +43.4492 -035.2761 +44.2469 -037.6042 +44.3970 -037.7799 +45.6483 -040.8928 +45.8703 -041.1932 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.