Cora»OccDetail

Stellar Occultation by (66054) 1998 QY88 on 2023-08-11 (22:29:23 UT)

Event Details
Occultation UUID [and db] : e94d7f20-ddb3-11f0-547e-b576ee2b4f0f [observed] Occultation Date + Time : 2023-08-11 at 22:29:23 UT +/- 0.01 min [1] Object Designation : (66054) 1998 QY88 Star Designation : GDR3 4078705144224198016 Star Coordinates (ICRF) : RA = 18 50 51.8669, DE = -22 15 15.248 [2] Star Magnitudes : G = 12.78 mag, RP = 11.95 mag, BP = 13.5 mag Object Magnitude : V = 18.99 mag Estimated Magnitude Drop : 6.2 mag Estimated Max. Duration : 0.7 sec Speed of the shadow : 6.6 km/s Object Mean Diameter : 4.4 km (src: astorb) => apparent = 3 mas Apparent Motion : 0.2767 arcs/min @ PA = 289 deg Horizontal Parallax : 4.4170 arcs Dynamical Class : MBA Elongation to Moon & Sun : 167° (sunlit = 17%), Sun = 143° Cross-track uncertainty : 0.7 mas = 1 km = 0.23 path-width (1-sig) RUWE and duplicate source : 0.77 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#55 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

 Occultation UUID [and db] : e94d7f20-ddb3-11f0-547e-b576ee2b4f0f [observed]

 Occultation Date + Time   : 2023-08-11 at 22:29:23 UT +/- 0.01 min  [1]
 Object Designation        : (66054) 1998 QY88
 Star Designation          : GDR3 4078705144224198016
 Star Coordinates (ICRF)   : RA = 18 50 51.8669, DE = -22 15 15.248  [2]
 Star Magnitudes           : G = 12.78 mag, RP = 11.95 mag, BP = 13.5 mag
 Object Magnitude          : V = 18.99 mag
 Estimated Magnitude Drop  : 6.2 mag
 Estimated Max. Duration   : 0.7 sec
 Speed of the shadow       : 6.6 km/s
 Object Mean Diameter      : 4.4 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.2767 arcs/min @ PA = 289 deg
 Horizontal Parallax       : 4.4170 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 167° (sunlit = 17%), Sun = 143°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.23 path-width (1-sig)
 RUWE and duplicate source : 0.77 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#55
 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 ---------------------------------------------- 22:26:19 +53.1990 +040.7957 +01 229 -20 22:26:27 +52.0473 +037.5977 +03 227 -22 22:26:34 +51.5370 +035.7008 +04 225 -23 22:26:42 +51.2074 +034.1660 +05 224 -23 22:26:49 +50.9769 +032.8263 +06 223 -24 22:26:57 +50.8123 +031.6135 +07 222 -24 22:27:04 +50.6962 +030.4918 +07 221 -24 22:27:12 +50.6181 +029.4396 +08 220 -24 22:27:19 +50.5713 +028.4427 +08 219 -24 22:27:27 +50.5509 +027.4909 +08 219 -24 22:27:34 +50.5536 +026.5771 +09 218 -24 22:27:42 +50.5767 +025.6955 +09 217 -24 22:27:49 +50.6182 +024.8419 +09 216 -24 22:27:57 +50.6768 +024.0126 +10 216 -24 22:28:04 +50.7510 +023.2050 +10 215 -24 22:28:12 +50.8401 +022.4166 +10 214 -24 22:28:19 +50.9432 +021.6454 +10 214 -24 22:28:27 +51.0597 +020.8898 +10 213 -24 22:28:34 +51.1891 +020.1483 +10 212 -24 22:28:42 +51.3311 +019.4197 +11 212 -23 22:28:49 +51.4855 +018.7029 +11 211 -23 22:28:57 +51.6521 +017.9969 +11 211 -23 22:29:04 +51.8307 +017.3009 +11 210 -23 22:29:12 +52.0213 +016.6142 +11 209 -23 22:29:19 +52.2240 +015.9361 +11 209 -22 22:29:27 +52.4389 +015.2660 +11 208 -22 22:29:34 +52.6662 +014.6034 +11 208 -22 22:29:42 +52.9062 +013.9478 +11 207 -21 22:29:49 +53.1591 +013.2989 +11 206 -21 22:29:57 +53.4255 +012.6563 +11 206 -21 22:30:04 +53.7058 +012.0198 +11 205 -20 22:30:12 +54.0006 +011.3890 +10 205 -20 22:30:19 +54.3107 +010.7639 +10 204 -20 22:30:27 +54.6370 +010.1443 +10 204 -19 22:30:34 +54.9805 +009.5302 +10 203 -19 22:30:42 +55.3425 +008.9217 +10 202 -18 22:30:49 +55.7245 +008.3189 +10 202 -18 22:30:57 +56.1283 +007.7222 +09 201 -18 22:31:04 +56.5562 +007.1321 +09 201 -17 22:31:12 +57.0109 +006.5493 +09 200 -16 22:31:19 +57.4961 +005.9751 +08 200 -16 22:31:27 +58.0162 +005.4111 +08 199 -15 22:31:34 +58.5774 +004.8597 +07 199 -15 22:31:42 +59.1879 +004.3248 +07 198 -14 22:31:49 +59.8597 +003.8122 +06 198 -13 22:31:57 +60.6115 +003.3321 +06 197 -13 22:32:04 +61.4748 +002.9029 +05 197 -12 22:32:12 +62.5121 +002.5644 +04 197 -11 22:32:19 +63.8944 +002.4348 +03 197 -09 Longitude measured positiv to the East.

Occultation Ground Track

 Time[UT] | Lat----CENTR----Lon | Alt hh:mm:ss | +DD.dddd  +DDD.dddd | deg ---------------------------------------------- 22:26:19   +53.1990  +040.7957   +01  229  -20 22:26:27   +52.0473  +037.5977   +03  227  -22 22:26:34   +51.5370  +035.7008   +04  225  -23 22:26:42   +51.2074  +034.1660   +05  224  -23 22:26:49   +50.9769  +032.8263   +06  223  -24 22:26:57   +50.8123  +031.6135   +07  222  -24 22:27:04   +50.6962  +030.4918   +07  221  -24 22:27:12   +50.6181  +029.4396   +08  220  -24 22:27:19   +50.5713  +028.4427   +08  219  -24 22:27:27   +50.5509  +027.4909   +08  219  -24 22:27:34   +50.5536  +026.5771   +09  218  -24 22:27:42   +50.5767  +025.6955   +09  217  -24 22:27:49   +50.6182  +024.8419   +09  216  -24 22:27:57   +50.6768  +024.0126   +10  216  -24 22:28:04   +50.7510  +023.2050   +10  215  -24 22:28:12   +50.8401  +022.4166   +10  214  -24 22:28:19   +50.9432  +021.6454   +10  214  -24 22:28:27   +51.0597  +020.8898   +10  213  -24 22:28:34   +51.1891  +020.1483   +10  212  -24 22:28:42   +51.3311  +019.4197   +11  212  -23 22:28:49   +51.4855  +018.7029   +11  211  -23 22:28:57   +51.6521  +017.9969   +11  211  -23 22:29:04   +51.8307  +017.3009   +11  210  -23 22:29:12   +52.0213  +016.6142   +11  209  -23 22:29:19   +52.2240  +015.9361   +11  209  -22 22:29:27   +52.4389  +015.2660   +11  208  -22 22:29:34   +52.6662  +014.6034   +11  208  -22 22:29:42   +52.9062  +013.9478   +11  207  -21 22:29:49   +53.1591  +013.2989   +11  206  -21 22:29:57   +53.4255  +012.6563   +11  206  -21 22:30:04   +53.7058  +012.0198   +11  205  -20 22:30:12   +54.0006  +011.3890   +10  205  -20 22:30:19   +54.3107  +010.7639   +10  204  -20 22:30:27   +54.6370  +010.1443   +10  204  -19 22:30:34   +54.9805  +009.5302   +10  203  -19 22:30:42   +55.3425  +008.9217   +10  202  -18 22:30:49   +55.7245  +008.3189   +10  202  -18 22:30:57   +56.1283  +007.7222   +09  201  -18 22:31:04   +56.5562  +007.1321   +09  201  -17 22:31:12   +57.0109  +006.5493   +09  200  -16 22:31:19   +57.4961  +005.9751   +08  200  -16 22:31:27   +58.0162  +005.4111   +08  199  -15 22:31:34   +58.5774  +004.8597   +07  199  -15 22:31:42   +59.1879  +004.3248   +07  198  -14 22:31:49   +59.8597  +003.8122   +06  198  -13 22:31:57   +60.6115  +003.3321   +06  197  -13 22:32:04   +61.4748  +002.9029   +05  197  -12 22:32:12   +62.5121  +002.5644   +04  197  -11 22:32:19   +63.8944  +002.4348   +03  197  -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 --------------------------------------------- +52.6910 +039.8459 +53.9022 +042.1516 +51.8215 +037.2216 +52.2964 +038.0202 +51.3625 +035.4292 +51.7207 +035.9905 +51.0575 +033.9446 +51.3628 +034.3979 +50.8419 +032.6355 +51.1157 +033.0242 +50.6875 +031.4438 +50.9400 +031.7885 +50.5788 +030.3376 +50.8159 +030.6502 +50.5064 +029.2975 +50.7318 +029.5852 +50.4640 +028.3101 +50.6803 +028.5781 +50.4472 +027.3663 +50.6561 +027.6181 +50.4527 +026.4590 +50.6557 +026.6974 +50.4782 +025.5830 +50.6763 +025.8100 +50.5217 +024.7342 +50.7158 +024.9514 +50.5819 +023.9091 +50.7726 +024.1179 +50.6575 +023.1051 +50.8455 +023.3065 +50.7477 +022.3199 +50.9334 +022.5148 +50.8516 +021.5515 +51.0356 +021.7407 +50.9688 +020.7984 +51.1513 +020.9825 +51.0988 +020.0592 +51.2802 +020.2387 +51.2412 +019.3325 +51.4219 +019.5081 +51.3958 +018.6175 +51.5760 +018.7895 +51.5624 +017.9130 +51.7425 +018.0819 +51.7410 +017.2184 +51.9211 +017.3846 +51.9314 +016.5329 +52.1119 +016.6966 +52.1338 +015.8558 +52.3149 +016.0174 +52.3483 +015.1866 +52.5303 +015.3464 +52.5750 +014.5248 +52.7582 +014.6831 +52.8143 +013.8698 +52.9989 +014.0269 +53.0664 +013.2214 +53.2528 +013.3776 +53.3317 +012.5791 +53.5202 +012.7346 +53.6108 +011.9428 +53.8017 +012.0979 +53.9042 +011.3120 +54.0979 +011.4671 +54.2128 +010.6868 +54.4096 +010.8422 +54.5372 +010.0669 +54.7378 +010.2229 +54.8786 +009.4523 +55.0835 +009.6093 +55.2382 +008.8430 +55.4479 +009.0016 +55.6175 +008.2393 +55.8327 +008.3998 +56.0181 +007.6414 +56.2398 +007.8044 +56.4423 +007.0497 +56.6716 +007.2160 +56.8927 +006.4649 +57.1308 +006.6354 +57.3728 +005.8882 +57.6214 +006.0640 +57.8867 +005.3209 +58.1480 +005.5034 +58.4402 +004.7653 +58.7172 +004.9566 +59.0411 +004.2248 +59.3379 +004.4278 +59.7004 +003.7046 +60.0232 +003.9236 +60.4350 +003.2135 +60.7938 +003.4557 +61.2726 +002.7673 +61.6857 +003.0460 +62.2661 +002.3983 +62.7743 +002.7439 +63.5463 +002.1942 +64.2934 +002.7172 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.