Cora»OccDetail

Stellar Occultation by (41) Daphne on 2023-08-23 (22:49:33 UT)

Event Details
Occultation UUID [and db] : 322bd2f0-ddb4-11f0-547e-a00dbbfff110 [observed] Occultation Date + Time : 2023-08-23 at 22:49:33 UT +/- 0.01 min [1] Object Designation : (41) Daphne Star Designation : GDR3 2551829122129802240 Star Coordinates (ICRF) : RA = 00 57 06.9326, DE = +04 27 45.357 [2] Star Magnitudes : G = 14.55 mag, RP = 14.03 mag, BP = 14.89 mag Object Magnitude : V = 12.84 mag Estimated Magnitude Drop : 0.2 mag Estimated Max. Duration : 18.9 sec Speed of the shadow : 9.2 km/s Object Mean Diameter : 174.0 km (src: astorb) => apparent = 100 mas Apparent Motion : 0.3150 arcs/min @ PA = 218 deg Horizontal Parallax : 3.6470 arcs Dynamical Class : MBA Elongation to Moon & Sun : 140° (sunlit = 45%), Sun = 136° Cross-track uncertainty : 0.7 mas = 1 km = 0.01 path-width (1-sig) RUWE and duplicate source : 0.99 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#167 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

 Occultation UUID [and db] : 322bd2f0-ddb4-11f0-547e-a00dbbfff110 [observed]

 Occultation Date + Time   : 2023-08-23 at 22:49:33 UT +/- 0.01 min  [1]
 Object Designation        : (41) Daphne
 Star Designation          : GDR3 2551829122129802240
 Star Coordinates (ICRF)   : RA = 00 57 06.9326, DE = +04 27 45.357  [2]
 Star Magnitudes           : G = 14.55 mag, RP = 14.03 mag, BP = 14.89 mag
 Object Magnitude          : V = 12.84 mag
 Estimated Magnitude Drop  : 0.2 mag
 Estimated Max. Duration   : 18.9 sec
 Speed of the shadow       : 9.2 km/s
 Object Mean Diameter      : 174.0 km  (src: astorb) => apparent = 100 mas
 Apparent Motion           : 0.3150 arcs/min @ PA = 218 deg
 Horizontal Parallax       : 3.6470 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 140° (sunlit = 45%), Sun = 136°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.01 path-width (1-sig)
 RUWE and duplicate source : 0.99 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#167
 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 ---------------------------------------------- 22:44:32 +64.1219 -020.3200 +08 096 -09 22:44:53 +61.8935 -011.7720 +12 103 -13 22:45:14 +59.6123 -006.9150 +15 107 -16 22:45:35 +57.3829 -003.7795 +17 109 -19 22:45:56 +55.2240 -001.6594 +19 111 -21 22:46:16 +53.1359 -000.2080 +21 111 -24 22:46:37 +51.1138 +000.7714 +22 112 -26 22:46:58 +49.1516 +001.4006 +23 111 -28 22:47:19 +47.2433 +001.7589 +24 111 -30 22:47:40 +45.3833 +001.9008 +25 110 -31 22:48:00 +43.5664 +001.8644 +26 110 -33 22:48:21 +41.7880 +001.6769 +26 109 -35 22:48:42 +40.0441 +001.3582 +26 108 -36 22:49:03 +38.3310 +000.9223 +27 107 -38 22:49:24 +36.6453 +000.3794 +27 106 -39 22:49:44 +34.9840 -000.2638 +27 104 -41 22:50:05 +33.3442 -001.0032 +27 103 -42 22:50:26 +31.7233 -001.8373 +26 102 -43 22:50:47 +30.1187 -002.7667 +26 101 -44 22:51:08 +28.5280 -003.7946 +25 099 -45 22:51:28 +26.9486 -004.9268 +25 098 -46 22:51:49 +25.3781 -006.1720 +24 097 -47 22:52:10 +23.8137 -007.5436 +23 095 -47 22:52:31 +22.2523 -009.0604 +22 094 -48 22:52:52 +20.6903 -010.7502 +20 093 -48 22:53:12 +19.1230 -012.6552 +19 092 -48 22:53:33 +17.5436 -014.8441 +17 091 -47 22:53:54 +15.9412 -017.4404 +14 089 -46 22:54:15 +14.2930 -020.7152 +11 088 -45 22:54:36 +12.5239 -025.6036 +07 087 -41 Longitude measured positiv to the East.

Occultation Ground Track

 Time[UT] | Lat----CENTR----Lon | Alt hh:mm:ss | +DD.dddd  +DDD.dddd | deg ---------------------------------------------- 22:44:32   +64.1219  -020.3200   +08  096  -09 22:44:53   +61.8935  -011.7720   +12  103  -13 22:45:14   +59.6123  -006.9150   +15  107  -16 22:45:35   +57.3829  -003.7795   +17  109  -19 22:45:56   +55.2240  -001.6594   +19  111  -21 22:46:16   +53.1359  -000.2080   +21  111  -24 22:46:37   +51.1138  +000.7714   +22  112  -26 22:46:58   +49.1516  +001.4006   +23  111  -28 22:47:19   +47.2433  +001.7589   +24  111  -30 22:47:40   +45.3833  +001.9008   +25  110  -31 22:48:00   +43.5664  +001.8644   +26  110  -33 22:48:21   +41.7880  +001.6769   +26  109  -35 22:48:42   +40.0441  +001.3582   +26  108  -36 22:49:03   +38.3310  +000.9223   +27  107  -38 22:49:24   +36.6453  +000.3794   +27  106  -39 22:49:44   +34.9840  -000.2638   +27  104  -41 22:50:05   +33.3442  -001.0032   +27  103  -42 22:50:26   +31.7233  -001.8373   +26  102  -43 22:50:47   +30.1187  -002.7667   +26  101  -44 22:51:08   +28.5280  -003.7946   +25  099  -45 22:51:28   +26.9486  -004.9268   +25  098  -46 22:51:49   +25.3781  -006.1720   +24  097  -47 22:52:10   +23.8137  -007.5436   +23  095  -47 22:52:31   +22.2523  -009.0604   +22  094  -48 22:52:52   +20.6903  -010.7502   +20  093  -48 22:53:12   +19.1230  -012.6552   +19  092  -48 22:53:33   +17.5436  -014.8441   +17  091  -47 22:53:54   +15.9412  -017.4404   +14  089  -46 22:54:15   +14.2930  -020.7152   +11  088  -45 22:54:36   +12.5239  -025.6036   +07  087  -41

Longitude measured positiv to the East.

------------------------------------------------------------------------------------------- Azm Sun | Lat----EDGE1----Lon | Lat----EDGE2----Lon deg deg | +DD.dddd +DDD.dddd | +DD.dddd +DDD.dddd --------------------------------------------- +63.7494 -010.9750 +63.8542 -037.7655 +61.3695 -005.4500 +62.2405 -020.5760 +59.0506 -001.9660 +60.0963 -013.0623 +56.8146 +000.3581 +57.9060 -008.6710 +54.6608 +001.9387 +55.7570 -005.7940 +52.5824 +003.0057 +53.6672 -003.8329 +50.5718 +003.6985 +51.6384 -002.4871 +48.6218 +004.1068 +49.6672 -001.5832 +46.7255 +004.2912 +47.7489 -001.0125 +44.8771 +004.2937 +45.8785 -000.7033 +43.0715 +004.1444 +44.0512 -000.6061 +41.3039 +003.8651 +42.2628 -000.6860 +39.5702 +003.4716 +40.5090 -000.9182 +37.8670 +002.9754 +38.7863 -001.2850 +36.1907 +002.3845 +37.0913 -001.7737 +34.5385 +001.7044 +35.4208 -002.3759 +32.9076 +000.9383 +33.7720 -003.0866 +31.2954 +000.0872 +32.1421 -003.9036 +29.6995 -000.8495 +30.5284 -004.8279 +28.1175 -001.8745 +28.9283 -005.8631 +26.5470 -002.9927 +27.3392 -007.0164 +24.9858 -004.2115 +25.7583 -008.2993 +23.4314 -005.5413 +24.1824 -009.7288 +21.8810 -006.9969 +22.6079 -011.3306 +20.3317 -008.5995 +21.0302 -013.1442 +18.7796 -010.3794 +19.4428 -015.2336 +17.2199 -012.3830 +17.8352 -017.7138 +15.6454 -014.6858 +16.1865 -020.8328 +14.0438 -017.4269 +14.4312 -025.4044 +12.3890 -020.9216 +13.0373 -025.4951 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.