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Stellar Occultation by (41055) 1999 VD20 on 2024-07-23 (01:26:15 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] : 10af5330-ddb5-11f0-547e-ae0ef89df1d2 [observed]

 Occultation Date + Time   : 2024-07-23 at 01:26:15 UT +/- 0.01 min  [1]
 Object Designation        : (41055) 1999 VD20
 Star Designation          : GDR3 6849396213376284928
 Star Coordinates (ICRF)   : RA = 20 19 51.5329, DE = -23 42 17.190  [2]
 Star Magnitudes           : G = 12.36 mag, RP = 11.72 mag, BP = 12.84 mag
 Object Magnitude          : V = 18.59 mag
 Estimated Magnitude Drop  : 6.2 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 11.1 km/s
 Object Mean Diameter      : 3.7 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.5050 arcs/min @ PA = 256 deg
 Horizontal Parallax       : 4.8580 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 21° (sunlit = 96%), Sun = 176°
 Cross-track uncertainty   : 0.7 mas = 0 km = 0.25 path-width (1-sig)
 RUWE and duplicate source : 0.96 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#46
 Note                      : FP:true

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


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