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Stellar Occultation by (20350) 1998 HV125 on 2024-07-31 (21:40:53 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] : 1ee72810-ddb5-11f0-547e-669ffb753d0b [observed]

 Occultation Date + Time   : 2024-07-31 at 21:40:53 UT +/- 0.0 min  [1]
 Object Designation        : (20350) 1998 HV125
 Star Designation          : GDR3 4078383605780478848
 Star Coordinates (ICRF)   : RA = 18 39 39.7472, DE = -23 21 36.744  [2]
 Star Magnitudes           : G = 12.35 mag, RP = 10.93 mag, BP = 14.8 mag
 Object Magnitude          : V = 18.3 mag
 Estimated Magnitude Drop  : 6.0 mag
 Estimated Max. Duration   : 0.7 sec
 Speed of the shadow       : 12.6 km/s
 Object Mean Diameter      : 8.5 km  (src: astorb) => apparent = 5 mas
 Apparent Motion           : 0.4133 arcs/min @ PA = 255 deg
 Horizontal Parallax       : 3.4890 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 167° (sunlit = 13%), Sun = 150°
 Cross-track uncertainty   : 0.5 mas = 0 km = 0.11 path-width (1-sig)
 RUWE and duplicate source : 0.85 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#56
 Note                      : FP:true

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


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