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Stellar Occultation by (79478) 1998 CB1 on 2023-08-14 (22:01:35 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] : ece572f0-ddb3-11f0-547e-62589f0f77c5 [observed]

 Occultation Date + Time   : 2023-08-14 at 22:01:35 UT +/- 0.01 min  [1]
 Object Designation        : (79478) 1998 CB1
 Star Designation          : GDR3 4277716959300412288
 Star Coordinates (ICRF)   : RA = 18 17 04.9065, DE = +02 28 35.985  [2]
 Star Magnitudes           : G = 13.26 mag, RP = 12.34 mag, BP = 14.14 mag
 Object Magnitude          : V = 19.43 mag
 Estimated Magnitude Drop  : 6.2 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 13.5 km/s
 Object Mean Diameter      : 5.3 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.4450 arcs/min @ PA = 202 deg
 Horizontal Parallax       : 3.4980 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 137° (sunlit = 2%), Sun = 128°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.10 path-width (1-sig)
 RUWE and duplicate source : 1.07 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL51
 Note                      : FP:true

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


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