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Stellar Occultation by (21547) Kottapalli on 2023-11-19 (05:48:19 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] : 3c102c30-ddb4-11f0-547e-cdac92fb2bff [observed]

 Occultation Date + Time   : 2023-11-19 at 05:48:19 UT +/- 0.01 min  [1]
 Object Designation        : (21547) Kottapalli
 Star Designation          : GDR3 3881198191178052608
 Star Coordinates (ICRF)   : RA = 10 03 52.3433, DE = +11 56 46.780  [2]
 Star Magnitudes           : G = 14.38 mag, RP = 13.91 mag, BP = 14.68 mag
 Object Magnitude          : V = 19.87 mag
 Estimated Magnitude Drop  : 5.5 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 15.4 km/s
 Object Mean Diameter      : 6.7 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.3683 arcs/min @ PA = 111 deg
 Horizontal Parallax       : 2.5450 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 161° (sunlit = 36%), Sun = 88°
 Cross-track uncertainty   : 1.0 mas = 2 km = 0.37 path-width (1-sig)
 RUWE and duplicate source : 1.38 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#50
 Note                      : FP:true

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


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