Cora»OccDetail

Stellar Occultation by (76) Freia on 2024-08-29 (21:40:00 UT)

Event Details
Occultation UUID [and db] : 64b2bda0-ddb5-11f0-547e-eb93fbf337ab [observed] Occultation Date + Time : 2024-08-29 at 21:40:00 UT +/- 0.02 min [1] Object Designation : (76) Freia Star Designation : GDR3 6874787785150684032 Star Coordinates (ICRF) : RA = 20 27 26.8344, DE = -16 25 44.608 [2] Star Magnitudes : G = 13.97 mag, RP = 19.69 mag, BP = 20.86 mag Object Magnitude : V = 13.8 mag Estimated Magnitude Drop : 0.7 mag Estimated Max. Duration : 16.5 sec Speed of the shadow : 11.2 km/s Object Mean Diameter : 183.7 km (src: astorb) => apparent = 86 mas Apparent Motion : 0.3150 arcs/min @ PA = 252 deg Horizontal Parallax : 3.0000 arcs Dynamical Class : MBA Elongation to Moon & Sun : 163° (sunlit = 16%), Sun = 148° Cross-track uncertainty : 5.6 mas = 11 km = 0.06 path-width (1-sig) RUWE and duplicate source : 1.03 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#97 Note : FP:true Object is a <Gaia mass determination> target ! [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and db] : 64b2bda0-ddb5-11f0-547e-eb93fbf337ab [observed] Occultation Date + Time : 2024-08-29 at 21:40:00 UT +/- 0.02 min [1] Object Designation : (76) Freia Star Designation : GDR3 6874787785150684032 Star Coordinates (ICRF) : RA = 20 27 26.8344, DE = -16 25 44.608 [2] Star Magnitudes : G = 13.97 mag, RP = 19.69 mag, BP = 20.86 mag Object Magnitude : V = 13.8 mag Estimated Magnitude Drop : 0.7 mag Estimated Max. Duration : 16.5 sec Speed of the shadow : 11.2 km/s Object Mean Diameter : 183.7 km (src: astorb) => apparent = 86 mas Apparent Motion : 0.3150 arcs/min @ PA = 252 deg Horizontal Parallax : 3.0000 arcs Dynamical Class : MBA Elongation to Moon & Sun : 163° (sunlit = 16%), Sun = 148° Cross-track uncertainty : 5.6 mas = 11 km = 0.06 path-width (1-sig) RUWE and duplicate source : 1.03 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#97 Note : FP:true Object is a <Gaia mass determination> target ! [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 ---------------------------------------------- 21:37:38 +67.8191 -005.2110 +05 171 -08 21:37:56 +64.2249 -008.0774 +09 168 -10 21:38:14 +61.7645 -010.8915 +11 166 -11 21:38:32 +59.8167 -013.6225 +12 163 -11 21:38:50 +58.1873 -016.2964 +14 160 -11 21:39:08 +56.7857 -018.9395 +14 158 -11 21:39:26 +55.5621 -021.5755 +15 155 -10 21:39:44 +54.4866 -024.2267 +15 153 -10 21:40:02 +53.5410 -026.9156 +15 150 -09 21:40:20 +52.7149 -029.6672 +15 147 -08 21:40:38 +52.0039 -032.5111 +15 145 -06 21:40:56 +51.4097 -035.4856 +14 142 -05 21:41:14 +50.9416 -038.6448 +13 139 -03 21:41:32 +50.6199 -042.0732 +12 136 -01 21:41:50 +50.4880 -045.9215 +11 133 +01 21:42:08 +50.6497 -050.5250 +08 129 +04 21:42:26 +51.5064 -057.1423 +05 124 +08 Longitude measured positiv to the East.

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CTU: Cross-track uncertainty (zero means: use the nominal prediction value, see event details below). Offsets and CTU all in mas.