Cora»OccDetail

Stellar Occultation by (275) Sapientia on 2023-08-06 (22:38:02 UT)

Event Details
Occultation UUID [and db] : d8e50ea0-ddb3-11f0-547e-50b37ffeb5ca [observed] Occultation Date + Time : 2023-08-06 at 22:38:02 UT +/- 0.0 min [1] Object Designation : (275) Sapientia Star Designation : GDR3 6835863767856481280 Star Coordinates (ICRF) : RA = 21 15 08.8765, DE = -16 08 00.152 [2] Star Magnitudes : G = 13.82 mag, RP = 13.28 mag, BP = 14.19 mag Object Magnitude : V = 13.27 mag Estimated Magnitude Drop : 0.5 mag Estimated Max. Duration : 8.8 sec Speed of the shadow : 13.7 km/s Object Mean Diameter : 121.0 km (src: astorb) => apparent = 80 mas Apparent Motion : 0.5433 arcs/min @ PA = 247 deg Horizontal Parallax : 4.2250 arcs Dynamical Class : MBA Elongation to Moon & Sun : 69° (sunlit = 66%), Sun = 178° Cross-track uncertainty : 0.7 mas = 1 km = 0.01 path-width (1-sig) RUWE and duplicate source : 0.96 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#125 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

 Occultation UUID [and db] : d8e50ea0-ddb3-11f0-547e-50b37ffeb5ca [observed]

 Occultation Date + Time   : 2023-08-06 at 22:38:02 UT +/- 0.0 min  [1]
 Object Designation        : (275) Sapientia
 Star Designation          : GDR3 6835863767856481280
 Star Coordinates (ICRF)   : RA = 21 15 08.8765, DE = -16 08 00.152  [2]
 Star Magnitudes           : G = 13.82 mag, RP = 13.28 mag, BP = 14.19 mag
 Object Magnitude          : V = 13.27 mag
 Estimated Magnitude Drop  : 0.5 mag
 Estimated Max. Duration   : 8.8 sec
 Speed of the shadow       : 13.7 km/s
 Object Mean Diameter      : 121.0 km  (src: astorb) => apparent = 80 mas
 Apparent Motion           : 0.5433 arcs/min @ PA = 247 deg
 Horizontal Parallax       : 4.2250 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 69° (sunlit = 66%), Sun = 178°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.01 path-width (1-sig)
 RUWE and duplicate source : 0.96 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#125
 Note                      : FP:true

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

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Occultation Ground Track
Time[UT] \| Lat----CENTR----Lon \| Alt hh:mm:ss \| +DD.dddd +DDD.dddd \| deg ---------------------------------------------- 22:35:29 +71.3536 +012.5560 +02 168 -02 22:35:39 +66.5096 +012.1499 +07 168 -07 22:35:48 +63.8320 +010.7888 +09 167 -09 22:35:58 +61.7632 +009.3202 +11 165 -11 22:36:08 +60.0264 +007.8332 +13 164 -12 22:36:17 +58.5085 +006.3494 +14 162 -14 22:36:27 +57.1499 +004.8742 +15 161 -15 22:36:37 +55.9148 +003.4078 +16 159 -16 22:36:47 +54.7797 +001.9483 +17 158 -17 22:36:56 +53.7282 +000.4931 +17 156 -17 22:37:06 +52.7484 -000.9607 +18 155 -18 22:37:16 +51.8316 -002.4161 +18 153 -18 22:37:25 +50.9708 -003.8761 +19 151 -19 22:37:35 +50.1609 -005.3441 +19 150 -19 22:37:45 +49.3979 -006.8233 +19 148 -19 22:37:55 +48.6785 -008.3172 +19 147 -19 22:38:04 +48.0004 -009.8297 +19 145 -19 22:38:14 +47.3617 -011.3647 +19 144 -19 22:38:24 +46.7613 -012.9270 +19 142 -19 22:38:33 +46.1986 -014.5216 +19 141 -19 22:38:43 +45.6734 -016.1548 +18 139 -19 22:38:53 +45.1863 -017.8335 +18 138 -19 22:39:03 +44.7383 -019.5666 +17 136 -18 22:39:12 +44.3316 -021.3649 +17 135 -18 22:39:22 +43.9692 -023.2423 +16 133 -17 22:39:32 +43.6557 -025.2176 +15 131 -16 22:39:41 +43.3983 -027.3165 +14 130 -15 22:39:51 +43.2076 -029.5770 +13 128 -14 22:40:01 +43.1015 -032.0594 +12 126 -13 22:40:11 +43.1121 -034.8710 +10 124 -11 22:40:20 +43.3094 -038.2431 +08 121 -09 22:40:30 +43.9260 -042.9425 +05 118 -06 Longitude measured positiv to the East.

Occultation Ground Track

 Time[UT] | Lat----CENTR----Lon | Alt hh:mm:ss | +DD.dddd  +DDD.dddd | deg ---------------------------------------------- 22:35:29   +71.3536  +012.5560   +02  168  -02 22:35:39   +66.5096  +012.1499   +07  168  -07 22:35:48   +63.8320  +010.7888   +09  167  -09 22:35:58   +61.7632  +009.3202   +11  165  -11 22:36:08   +60.0264  +007.8332   +13  164  -12 22:36:17   +58.5085  +006.3494   +14  162  -14 22:36:27   +57.1499  +004.8742   +15  161  -15 22:36:37   +55.9148  +003.4078   +16  159  -16 22:36:47   +54.7797  +001.9483   +17  158  -17 22:36:56   +53.7282  +000.4931   +17  156  -17 22:37:06   +52.7484  -000.9607   +18  155  -18 22:37:16   +51.8316  -002.4161   +18  153  -18 22:37:25   +50.9708  -003.8761   +19  151  -19 22:37:35   +50.1609  -005.3441   +19  150  -19 22:37:45   +49.3979  -006.8233   +19  148  -19 22:37:55   +48.6785  -008.3172   +19  147  -19 22:38:04   +48.0004  -009.8297   +19  145  -19 22:38:14   +47.3617  -011.3647   +19  144  -19 22:38:24   +46.7613  -012.9270   +19  142  -19 22:38:33   +46.1986  -014.5216   +19  141  -19 22:38:43   +45.6734  -016.1548   +18  139  -19 22:38:53   +45.1863  -017.8335   +18  138  -19 22:39:03   +44.7383  -019.5666   +17  136  -18 22:39:12   +44.3316  -021.3649   +17  135  -18 22:39:22   +43.9692  -023.2423   +16  133  -17 22:39:32   +43.6557  -025.2176   +15  131  -16 22:39:41   +43.3983  -027.3165   +14  130  -15 22:39:51   +43.2076  -029.5770   +13  128  -14 22:40:01   +43.1015  -032.0594   +12  126  -13 22:40:11   +43.1121  -034.8710   +10  124  -11 22:40:20   +43.3094  -038.2431   +08  121  -09 22:40:30   +43.9260  -042.9425   +05  118  -06

Longitude measured positiv to the East.

------------------------------------------------------------------------------------------- Azm Sun | Lat----EDGE1----Lon | Lat----EDGE2----Lon deg deg | +DD.dddd +DDD.dddd | +DD.dddd +DDD.dddd --------------------------------------------- +65.7409 +015.7973 +75.1281 +010.3708 +63.1983 +014.0959 +73.4903 +006.5675 +61.1823 +012.4329 +67.6492 +007.9491 +59.4702 +010.8168 +64.6755 +007.1419 +57.9638 +009.2418 +62.5014 +005.9386 +56.6092 +007.7003 +60.7138 +004.6148 +55.3734 +006.1858 +59.1689 +003.2412 +54.2341 +004.6921 +57.7965 +001.8430 +53.1758 +003.2141 +56.5557 +000.4305 +52.1871 +001.7473 +55.4205 -000.9925 +51.2593 +000.2875 +54.3732 -002.4252 +50.3859 -001.1691 +53.4010 -003.8684 +49.5616 -002.6261 +52.4946 -005.3237 +48.7824 -004.0870 +51.6471 -006.7937 +48.0449 -005.5550 +50.8531 -008.2810 +47.3467 -007.0338 +50.1085 -009.7892 +46.6857 -008.5268 +49.4104 -011.3221 +46.0605 -010.0378 +48.7566 -012.8841 +45.4700 -011.5709 +48.1457 -014.4806 +44.9136 -013.1307 +47.5770 -016.1176 +44.3911 -014.7222 +47.0507 -017.8028 +43.9028 -016.3513 +46.5677 -019.5453 +43.4495 -018.0250 +46.1298 -021.3566 +43.0324 -019.7516 +45.7403 -023.2521 +42.6538 -021.5416 +45.4040 -025.2520 +42.3167 -023.4082 +45.1289 -027.3856 +42.0256 -025.3688 +44.9274 -029.6964 +41.7871 -027.4477 +44.8206 -032.2566 +41.6113 -029.6795 +44.8495 -035.2018 +41.5139 -032.1183 +45.1133 -038.8590 +41.5228 -034.8574 +46.1100 -044.8622 +41.6953 -038.0861 +45.4695 -045.6404 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.