Cora»OccDetail

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

Event Details
Occultation UUID [and db] : e3bf60a0-ddb3-11f0-547e-7e19df7d90d5 [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 = 13.23 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] : e3bf60a0-ddb3-11f0-547e-7e19df7d90d5 [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 = 13.23 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 +71.4763 +012.5024 +02 168 -02 22:35:39 +66.5479 +012.1505 +07 168 -07 22:35:48 +63.8597 +010.7931 +09 167 -09 22:35:58 +61.7861 +009.3258 +11 165 -11 22:36:08 +60.0463 +007.8393 +13 164 -12 22:36:17 +58.5262 +006.3557 +14 162 -14 22:36:27 +57.1661 +004.8807 +15 161 -15 22:36:37 +55.9297 +003.4143 +16 159 -16 22:36:47 +54.7936 +001.9548 +17 158 -17 22:36:56 +53.7413 +000.4997 +17 156 -17 22:37:06 +52.7609 -000.9540 +18 155 -18 22:37:16 +51.8434 -002.4094 +18 153 -18 22:37:25 +50.9821 -003.8694 +19 152 -19 22:37:35 +50.1717 -005.3373 +19 150 -19 22:37:45 +49.4083 -006.8164 +19 148 -19 22:37:55 +48.6885 -008.3103 +19 147 -19 22:38:04 +48.0099 -009.8226 +19 145 -19 22:38:14 +47.3709 -011.3576 +19 144 -19 22:38:24 +46.7702 -012.9197 +19 142 -19 22:38:33 +46.2072 -014.5142 +19 141 -19 22:38:43 +45.6817 -016.1471 +18 139 -19 22:38:53 +45.1943 -017.8256 +18 138 -19 22:39:03 +44.7460 -019.5585 +17 136 -18 22:39:12 +44.3390 -021.3565 +17 135 -18 22:39:22 +43.9763 -023.2336 +16 133 -17 22:39:32 +43.6626 -025.2084 +15 131 -16 22:39:41 +43.4048 -027.3067 +14 130 -15 22:39:51 +43.2138 -029.5665 +13 128 -14 22:40:01 +43.1072 -032.0479 +12 126 -13 22:40:11 +43.1172 -034.8580 +10 124 -11 22:40:20 +43.3134 -038.2271 +08 121 -09 22:40:30 +43.9273 -042.9178 +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   +71.4763  +012.5024   +02  168  -02 22:35:39   +66.5479  +012.1505   +07  168  -07 22:35:48   +63.8597  +010.7931   +09  167  -09 22:35:58   +61.7861  +009.3258   +11  165  -11 22:36:08   +60.0463  +007.8393   +13  164  -12 22:36:17   +58.5262  +006.3557   +14  162  -14 22:36:27   +57.1661  +004.8807   +15  161  -15 22:36:37   +55.9297  +003.4143   +16  159  -16 22:36:47   +54.7936  +001.9548   +17  158  -17 22:36:56   +53.7413  +000.4997   +17  156  -17 22:37:06   +52.7609  -000.9540   +18  155  -18 22:37:16   +51.8434  -002.4094   +18  153  -18 22:37:25   +50.9821  -003.8694   +19  152  -19 22:37:35   +50.1717  -005.3373   +19  150  -19 22:37:45   +49.4083  -006.8164   +19  148  -19 22:37:55   +48.6885  -008.3103   +19  147  -19 22:38:04   +48.0099  -009.8226   +19  145  -19 22:38:14   +47.3709  -011.3576   +19  144  -19 22:38:24   +46.7702  -012.9197   +19  142  -19 22:38:33   +46.2072  -014.5142   +19  141  -19 22:38:43   +45.6817  -016.1471   +18  139  -19 22:38:53   +45.1943  -017.8256   +18  138  -19 22:39:03   +44.7460  -019.5585   +17  136  -18 22:39:12   +44.3390  -021.3565   +17  135  -18 22:39:22   +43.9763  -023.2336   +16  133  -17 22:39:32   +43.6626  -025.2084   +15  131  -16 22:39:41   +43.4048  -027.3067   +14  130  -15 22:39:51   +43.2138  -029.5665   +13  128  -14 22:40:01   +43.1072  -032.0479   +12  126  -13 22:40:11   +43.1172  -034.8580   +10  124  -11 22:40:20   +43.3134  -038.2271   +08  121  -09 22:40:30   +43.9273  -042.9178   +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 --------------------------------------------- +65.7757 +015.8045 +75.1475 +010.3984 +63.2246 +014.1038 +73.5078 +006.5946 +61.2043 +012.4409 +67.6955 +007.9369 +59.4895 +010.8247 +64.7058 +007.1410 +57.9811 +009.2495 +62.5257 +005.9409 +56.6251 +007.7080 +60.7345 +004.6185 +55.3881 +006.1933 +59.1873 +003.2457 +54.2478 +004.6995 +57.8132 +001.8480 +53.1887 +003.2215 +56.5711 +000.4358 +52.1993 +001.7546 +55.4348 -000.9870 +51.2710 +000.2948 +54.3866 -002.4195 +50.3971 -001.1619 +53.4137 -003.8625 +49.5723 -002.6189 +52.5067 -005.3177 +48.7927 -004.0797 +51.6586 -006.7875 +48.0548 -005.5477 +50.8640 -008.2748 +47.3562 -007.0264 +50.1190 -009.7828 +46.6949 -008.5193 +49.4204 -011.3155 +46.0694 -010.0303 +48.7662 -012.8774 +45.4786 -011.5633 +48.1550 -014.4737 +44.9219 -013.1230 +47.5860 -016.1106 +44.3991 -014.7143 +47.0594 -017.7955 +43.9106 -016.3432 +46.5760 -019.5377 +43.4570 -018.0167 +46.1378 -021.3488 +43.0396 -019.7431 +45.7479 -023.2439 +42.6608 -021.5327 +45.4114 -025.2434 +42.3234 -023.3990 +45.1359 -027.3764 +42.0320 -025.3592 +44.9340 -029.6865 +41.7932 -027.4375 +44.8267 -032.2456 +41.6170 -029.6685 +44.8549 -035.1892 +41.5191 -032.1064 +45.1176 -038.8429 +41.5275 -034.8439 +46.1081 -044.8264 +41.6990 -038.0699 +45.4676 -045.6054 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.