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

More Data and Informations

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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.