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Stellar Occultation by (7858) Bolotov on 2025-10-18 (18:38:11 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] : 96df1a50-ddb8-11f0-547e-85fddf6fb231 [observed]

 Occultation Date + Time   : 2025-10-18 at 18:38:11 UT +/- 0.01 min  [1]
 Object Designation        : (7858) Bolotov
 Star Designation          : GDR3 3431697702941104000
 Star Coordinates (ICRF)   : RA = 05 58 02.7551, DE = +29 24 45.725  [2]
 Star Magnitudes           : G = 10.93 mag, RP = 10.17 mag, BP = 11.55 mag
 Object Magnitude          : V = 17.72 mag
 Estimated Magnitude Drop  : 6.8 mag
 Estimated Max. Duration   : 1.0 sec
 Speed of the shadow       : 5.1 km/s
 Object Mean Diameter      : 5.2 km  (src: astorb) => apparent = 5 mas
 Apparent Motion           : 0.2850 arcs/min @ PA = 71 deg
 Horizontal Parallax       : 5.9910 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 86° (sunlit = 7%), Sun = 116°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.06 path-width (1-sig)
 RUWE and duplicate source : 1.21 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL65
 Note                      : FP:true

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


More Data and Informations
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