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 : JPL55 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       : JPL55
 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 ---------------------------------------------- 22:26:33 +53.2203 +039.0028 +02 227 -21 22:26:38 +52.6398 +037.2787 +03 226 -21 22:26:43 +52.2819 +035.9998 +04 225 -22 22:26:47 +52.0238 +034.9192 +04 224 -22 22:26:52 +51.8265 +033.9584 +05 223 -23 22:26:57 +51.6718 +033.0800 +05 223 -23 22:27:02 +51.5490 +032.2630 +06 222 -23 22:27:07 +51.4516 +031.4939 +06 221 -23 22:27:11 +51.3752 +030.7636 +07 221 -23 22:27:16 +51.3165 +030.0656 +07 220 -23 22:27:21 +51.2732 +029.3950 +07 220 -23 22:27:26 +51.2433 +028.7480 +08 219 -24 22:27:31 +51.2256 +028.1215 +08 219 -24 22:27:35 +51.2187 +027.5133 +08 218 -24 22:27:40 +51.2219 +026.9212 +08 218 -24 22:27:45 +51.2343 +026.3438 +08 217 -24 22:27:50 +51.2553 +025.7795 +09 217 -24 22:27:55 +51.2843 +025.2271 +09 216 -24 22:27:59 +51.3210 +024.6858 +09 216 -24 22:28:04 +51.3649 +024.1545 +09 215 -24 22:28:09 +51.4156 +023.6324 +09 215 -23 22:28:14 +51.4730 +023.1190 +09 215 -23 22:28:19 +51.5368 +022.6136 +10 214 -23 22:28:23 +51.6067 +022.1157 +10 214 -23 22:28:28 +51.6826 +021.6247 +10 213 -23 22:28:33 +51.7643 +021.1402 +10 213 -23 22:28:38 +51.8518 +020.6619 +10 213 -23 22:28:43 +51.9449 +020.1894 +10 212 -23 22:28:47 +52.0436 +019.7223 +10 212 -23 22:28:52 +52.1478 +019.2604 +10 211 -23 22:28:57 +52.2574 +018.8034 +10 211 -22 22:29:02 +52.3724 +018.3511 +10 211 -22 22:29:07 +52.4928 +017.9031 +10 210 -22 22:29:11 +52.6186 +017.4594 +10 210 -22 22:29:16 +52.7499 +017.0197 +10 209 -22 22:29:21 +52.8866 +016.5839 +10 209 -22 22:29:26 +53.0289 +016.1518 +10 209 -22 22:29:31 +53.1766 +015.7232 +10 208 -21 22:29:35 +53.3301 +015.2981 +10 208 -21 22:29:40 +53.4893 +014.8763 +10 207 -21 22:29:45 +53.6543 +014.4578 +10 207 -21 22:29:50 +53.8254 +014.0423 +10 207 -21 22:29:55 +54.0025 +013.6299 +10 206 -20 22:29:59 +54.1860 +013.2205 +10 206 -20 22:30:04 +54.3759 +012.8141 +10 206 -20 22:30:09 +54.5726 +012.4105 +10 205 -20 22:30:14 +54.7763 +012.0098 +10 205 -19 22:30:19 +54.9871 +011.6121 +10 205 -19 22:30:23 +55.2056 +011.2172 +09 204 -19 22:30:28 +55.4319 +010.8253 +09 204 -19 22:30:33 +55.6665 +010.4364 +09 203 -18 22:30:38 +55.9099 +010.0506 +09 203 -18 22:30:43 +56.1626 +009.6681 +09 203 -18 22:30:48 +56.4252 +009.2889 +09 202 -17 22:30:52 +56.6984 +008.9134 +09 202 -17 22:30:57 +56.9829 +008.5418 +08 202 -17 22:31:02 +57.2796 +008.1745 +08 201 -16 22:31:07 +57.5898 +007.8119 +08 201 -16 22:31:12 +57.9147 +007.4545 +08 201 -16 22:31:16 +58.2558 +007.1033 +07 200 -15 22:31:21 +58.6151 +006.7590 +07 200 -15 22:31:26 +58.9949 +006.4230 +07 200 -15 22:31:31 +59.3984 +006.0969 +07 200 -14 22:31:36 +59.8293 +005.7832 +06 199 -14 22:31:40 +60.2932 +005.4851 +06 199 -13 22:31:45 +60.7975 +005.2074 +05 199 -13 22:31:50 +61.3532 +004.9578 +05 199 -12 22:31:55 +61.9783 +004.7490 +04 198 -12 22:32:00 +62.7053 +004.6052 +04 198 -11 22:32:04 +63.6072 +004.5837 +03 198 -10 22:32:09 +64.9650 +004.9155 +01 198 -09 Longitude measured positiv to the East.

Occultation Ground Track

 Time[UT] | Lat----CENTR----Lon | Alt hh:mm:ss | +DD.dddd  +DDD.dddd | deg ---------------------------------------------- 22:26:33   +53.2203  +039.0028   +02  227  -21 22:26:38   +52.6398  +037.2787   +03  226  -21 22:26:43   +52.2819  +035.9998   +04  225  -22 22:26:47   +52.0238  +034.9192   +04  224  -22 22:26:52   +51.8265  +033.9584   +05  223  -23 22:26:57   +51.6718  +033.0800   +05  223  -23 22:27:02   +51.5490  +032.2630   +06  222  -23 22:27:07   +51.4516  +031.4939   +06  221  -23 22:27:11   +51.3752  +030.7636   +07  221  -23 22:27:16   +51.3165  +030.0656   +07  220  -23 22:27:21   +51.2732  +029.3950   +07  220  -23 22:27:26   +51.2433  +028.7480   +08  219  -24 22:27:31   +51.2256  +028.1215   +08  219  -24 22:27:35   +51.2187  +027.5133   +08  218  -24 22:27:40   +51.2219  +026.9212   +08  218  -24 22:27:45   +51.2343  +026.3438   +08  217  -24 22:27:50   +51.2553  +025.7795   +09  217  -24 22:27:55   +51.2843  +025.2271   +09  216  -24 22:27:59   +51.3210  +024.6858   +09  216  -24 22:28:04   +51.3649  +024.1545   +09  215  -24 22:28:09   +51.4156  +023.6324   +09  215  -23 22:28:14   +51.4730  +023.1190   +09  215  -23 22:28:19   +51.5368  +022.6136   +10  214  -23 22:28:23   +51.6067  +022.1157   +10  214  -23 22:28:28   +51.6826  +021.6247   +10  213  -23 22:28:33   +51.7643  +021.1402   +10  213  -23 22:28:38   +51.8518  +020.6619   +10  213  -23 22:28:43   +51.9449  +020.1894   +10  212  -23 22:28:47   +52.0436  +019.7223   +10  212  -23 22:28:52   +52.1478  +019.2604   +10  211  -23 22:28:57   +52.2574  +018.8034   +10  211  -22 22:29:02   +52.3724  +018.3511   +10  211  -22 22:29:07   +52.4928  +017.9031   +10  210  -22 22:29:11   +52.6186  +017.4594   +10  210  -22 22:29:16   +52.7499  +017.0197   +10  209  -22 22:29:21   +52.8866  +016.5839   +10  209  -22 22:29:26   +53.0289  +016.1518   +10  209  -22 22:29:31   +53.1766  +015.7232   +10  208  -21 22:29:35   +53.3301  +015.2981   +10  208  -21 22:29:40   +53.4893  +014.8763   +10  207  -21 22:29:45   +53.6543  +014.4578   +10  207  -21 22:29:50   +53.8254  +014.0423   +10  207  -21 22:29:55   +54.0025  +013.6299   +10  206  -20 22:29:59   +54.1860  +013.2205   +10  206  -20 22:30:04   +54.3759  +012.8141   +10  206  -20 22:30:09   +54.5726  +012.4105   +10  205  -20 22:30:14   +54.7763  +012.0098   +10  205  -19 22:30:19   +54.9871  +011.6121   +10  205  -19 22:30:23   +55.2056  +011.2172   +09  204  -19 22:30:28   +55.4319  +010.8253   +09  204  -19 22:30:33   +55.6665  +010.4364   +09  203  -18 22:30:38   +55.9099  +010.0506   +09  203  -18 22:30:43   +56.1626  +009.6681   +09  203  -18 22:30:48   +56.4252  +009.2889   +09  202  -17 22:30:52   +56.6984  +008.9134   +09  202  -17 22:30:57   +56.9829  +008.5418   +08  202  -17 22:31:02   +57.2796  +008.1745   +08  201  -16 22:31:07   +57.5898  +007.8119   +08  201  -16 22:31:12   +57.9147  +007.4545   +08  201  -16 22:31:16   +58.2558  +007.1033   +07  200  -15 22:31:21   +58.6151  +006.7590   +07  200  -15 22:31:26   +58.9949  +006.4230   +07  200  -15 22:31:31   +59.3984  +006.0969   +07  200  -14 22:31:36   +59.8293  +005.7832   +06  199  -14 22:31:40   +60.2932  +005.4851   +06  199  -13 22:31:45   +60.7975  +005.2074   +05  199  -13 22:31:50   +61.3532  +004.9578   +05  199  -12 22:31:55   +61.9783  +004.7490   +04  198  -12 22:32:00   +62.7053  +004.6052   +04  198  -11 22:32:04   +63.6072  +004.5837   +03  198  -10 22:32:09   +64.9650  +004.9155   +01  198  -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 --------------------------------------------- +52.8645 +038.3735 +53.7161 +039.9111 +52.3950 +036.8721 +52.9146 +037.7443 +52.0802 +035.6799 +52.4984 +036.3487 +51.8465 +034.6484 +52.2104 +035.2082 +51.6654 +033.7201 +51.9944 +034.2095 +51.5222 +032.8651 +51.8265 +033.3046 +51.4082 +032.0660 +51.6939 +032.4677 +51.3178 +031.3112 +51.5890 +031.6831 +51.2470 +030.5925 +51.5064 +030.9402 +51.1929 +029.9042 +51.4427 +030.2318 +51.1535 +029.2418 +51.3952 +029.5524 +51.1269 +028.6018 +51.3618 +028.8979 +51.1120 +027.9815 +51.3410 +028.2649 +51.1077 +027.3787 +51.3316 +027.6509 +51.1130 +026.7915 +51.3325 +027.0539 +51.1272 +026.2183 +51.3429 +026.4719 +51.1499 +025.6578 +51.3622 +025.9035 +51.1804 +025.1090 +51.3897 +025.3476 +51.2183 +024.5707 +51.4250 +024.8030 +51.2633 +024.0423 +51.4677 +024.2687 +51.3150 +023.5229 +51.5175 +023.7440 +51.3733 +023.0119 +51.5739 +023.2281 +51.4377 +022.5086 +51.6369 +022.7204 +51.5083 +022.0127 +51.7062 +022.2204 +51.5847 +021.5235 +51.7815 +021.7275 +51.6669 +021.0408 +51.8628 +021.2413 +51.7548 +020.5640 +51.9499 +020.7614 +51.8482 +020.0929 +52.0427 +020.2874 +51.9470 +019.6272 +52.1412 +019.8190 +52.0513 +019.1665 +52.2452 +019.3558 +52.1610 +018.7106 +52.3547 +018.8977 +52.2760 +018.2592 +52.4698 +018.4443 +52.3963 +017.8122 +52.5903 +017.9954 +52.5220 +017.3694 +52.7162 +017.5509 +52.6531 +016.9304 +52.8477 +017.1104 +52.7895 +016.4953 +52.9847 +016.6739 +52.9314 +016.0638 +53.1273 +016.2412 +53.0788 +015.6357 +53.2755 +015.8121 +53.2317 +015.2110 +53.4295 +015.3866 +53.3903 +014.7896 +53.5893 +014.9644 +53.5547 +014.3713 +53.7550 +014.5456 +53.7250 +013.9561 +53.9267 +014.1299 +53.9014 +013.5438 +54.1047 +013.7174 +54.0840 +013.1345 +54.2891 +013.3080 +54.2729 +012.7280 +54.4801 +012.9016 +54.4685 +012.3243 +54.6779 +012.4981 +54.6709 +011.9234 +54.8828 +012.0977 +54.8805 +011.5254 +55.0950 +011.7003 +55.0975 +011.1301 +55.3150 +011.3059 +55.3222 +010.7377 +55.5429 +010.9145 +55.5551 +010.3482 +55.7794 +010.5263 +55.7966 +009.9616 +56.0248 +010.1414 +56.0471 +009.5781 +56.2797 +009.7598 +56.3073 +009.1979 +56.5448 +009.3819 +56.5779 +008.8211 +56.8206 +009.0077 +56.8595 +008.4480 +57.1082 +008.6378 +57.1530 +008.0789 +57.4084 +008.2723 +57.4595 +007.7142 +57.7224 +007.9119 +57.7802 +007.3545 +58.0516 +007.5572 +58.1166 +007.0003 +58.3977 +007.2090 +58.4704 +006.6527 +58.7628 +006.8684 +58.8439 +006.3126 +59.1494 +006.5369 +59.2399 +005.9816 +59.5610 +006.2163 +59.6618 +005.6617 +60.0017 +005.9094 +60.1145 +005.3559 +60.4778 +005.6200 +60.6046 +005.0681 +60.9978 +005.3539 +61.1416 +004.8047 +61.5747 +005.1203 +61.7404 +004.5760 +62.2307 +004.9354 +62.4265 +004.4003 +63.0083 +004.8320 +63.2520 +004.3173 +64.0176 +004.8991 +64.3675 +004.4467 -- -- 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.