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Stellar Occultation by (270610) 2002 OS19 on 2024-07-11 (22:17:51 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] : f6c0d610-ddb4-11f0-547e-9358f7ffdde9 [observed]

 Occultation Date + Time   : 2024-07-11 at 22:17:51 UT +/- 0.09 min  [1]
 Object Designation        : (270610) 2002 OS19
 Star Designation          : GDR3 4227475393932875520
 Star Coordinates (ICRF)   : RA = 20 51 55.1623, DE = -00 27 36.359  [2]
 Star Magnitudes           : G = 14.03 mag, RP = 13.32 mag, BP = 14.58 mag
 Object Magnitude          : V = 20.04 mag
 Estimated Magnitude Drop  : 6.0 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 9.1 km/s
 Object Mean Diameter      : 2.5 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.3950 arcs/min @ PA = 241 deg
 Horizontal Parallax       : 4.6220 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 134° (sunlit = 31%), Sun = 150°
 Cross-track uncertainty   : 22.3 mas = 30 km = 12.31 path-width (1-sig)
 RUWE and duplicate source : 0.95 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL26
 Note                      : FP:true

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


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