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Stellar Occultation by (11987) Yonematsu on 2022-12-15 (06:47:02 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] : 3934c710-ddb3-11f0-547e-031c7fef3525 [observed]

 Occultation Date + Time   : 2022-12-15 at 06:47:02 UT +/- 0.0 min  [1]
 Object Designation        : (11987) Yonematsu
 Star Designation          : GDR3 0881738957461070848
 Star Coordinates (ICRF)   : RA = 07 49 11.9300, DE = +32 23 08.624  [2]
 Star Magnitudes           : G = 11.5 mag, RP = 10.78 mag, BP = 12.08 mag
 Object Magnitude          : V = 16.94 mag
 Estimated Magnitude Drop  : 5.4 mag
 Estimated Max. Duration   : 0.9 sec
 Speed of the shadow       : 9.7 km/s
 Object Mean Diameter      : 8.3 km  (src: astorb) => apparent = 7 mas
 Apparent Motion           : 0.4817 arcs/min @ PA = 320 deg
 Horizontal Parallax       : 5.2760 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 48° (sunlit = 61%), Sun = 148°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.04 path-width (1-sig)
 RUWE and duplicate source : 1.05 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#56
 Note                      : FP:true

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


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