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Stellar Occultation by (7897) Bohuska on 2023-08-04 (22:24:25 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] : e1152830-ddb3-11f0-547e-5a0e14ef439e [observed]

 Occultation Date + Time   : 2023-08-04 at 22:24:25 UT +/- 0.01 min  [1]
 Object Designation        : (7897) Bohuska
 Star Designation          : GDR3 4098747626273403264
 Star Coordinates (ICRF)   : RA = 18 46 30.1204, DE = -17 35 25.965  [2]
 Star Magnitudes           : G = 12.63 mag, RP = 11.71 mag, BP = 13.51 mag
 Object Magnitude          : V = 17.56 mag
 Estimated Magnitude Drop  : 4.9 mag
 Estimated Max. Duration   : 1.1 sec
 Speed of the shadow       : 5.1 km/s
 Object Mean Diameter      : 5.7 km  (src: astorb) => apparent = 5 mas
 Apparent Motion           : 0.2733 arcs/min @ PA = 245 deg
 Horizontal Parallax       : 5.6470 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 76° (sunlit = 86%), Sun = 148°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.06 path-width (1-sig)
 RUWE and duplicate source : 0.85 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL59
 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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