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Stellar Occultation by (4190) Kvasnica on 2025-04-06 (20:07:39 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] : 6cd57440-ddb6-11f0-547e-2b01ba5d5fc1 [observed]

 Occultation Date + Time   : 2025-04-06 at 20:07:39 UT +/- 0.0 min  [1]
 Object Designation        : (4190) Kvasnica
 Star Designation          : GDR3 3158717003311557120
 Star Coordinates (ICRF)   : RA = 06 55 53.6688, DE = +09 42 49.303  [2]
 Star Magnitudes           : G = 12.27 mag, RP = 11.34 mag, BP = 13.16 mag
 Object Magnitude          : V = 18.45 mag
 Estimated Magnitude Drop  : 6.2 mag
 Estimated Max. Duration   : 0.6 sec
 Speed of the shadow       : 17.2 km/s
 Object Mean Diameter      : 9.7 km  (src: astorb) => apparent = 5 mas
 Apparent Motion           : 0.4867 arcs/min @ PA = 74 deg
 Horizontal Parallax       : 3.0140 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 29° (sunlit = 68%), Sun = 87°
 Cross-track uncertainty   : 0.2 mas = 0 km = 0.04 path-width (1-sig)
 RUWE and duplicate source : 1.24 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#62
 Note                      : FP:true

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


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