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Stellar Occultation by (4441) Toshie on 2024-12-22 (20:50:45 UT)

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


Event Details
 Occultation UUID [and db] : c8ab1640-ddb5-11f0-547e-76b5e7ad98f3 [observed]

 Occultation Date + Time   : 2024-12-22 at 20:50:45 UT +/- 0.0 min  [1]
 Object Designation        : (4441) Toshie
 Star Designation          : GDR3 0145213192171159552
 Star Coordinates (ICRF)   : RA = 04 35 54.1771, DE = +22 54 13.142  [2]
 Star Magnitudes           : G = 10.51 mag, RP = 9.56 mag, BP = 11.43 mag
 Object Magnitude          : V = 17.96 mag
 Estimated Magnitude Drop  : 7.5 mag
 Estimated Max. Duration   : 0.6 sec
 Speed of the shadow       : 11.5 km/s
 Object Mean Diameter      : 7.0 km  (src: astorb) => apparent = 5 mas
 Apparent Motion           : 0.4550 arcs/min @ PA = 264 deg
 Horizontal Parallax       : 4.2030 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 110° (sunlit = 51%), Sun = 159°
 Cross-track uncertainty   : 0.9 mas = 1 km = 0.20 path-width (1-sig)
 RUWE and duplicate source : 3.85 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#61
 Note                      : FP:true

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


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