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Stellar Occultation by (42717) 1998 QM47 on 2023-04-04 (00:16:53 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] : 820efc30-ddb3-11f0-547e-753227ec7c0a [observed]

 Occultation Date + Time   : 2023-04-04 at 00:16:53 UT +/- 0.0 min  [1]
 Object Designation        : (42717) 1998 QM47
 Star Designation          : GDR3 3614832531457611776
 Star Coordinates (ICRF)   : RA = 14 08 30.8989, DE = -09 50 26.095  [2]
 Star Magnitudes           : G = 11.17 mag, RP = 10.72 mag, BP = 11.43 mag
 Object Magnitude          : V = 19.24 mag
 Estimated Magnitude Drop  : 8.1 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 13.8 km/s
 Object Mean Diameter      : 5.2 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.4500 arcs/min @ PA = 303 deg
 Horizontal Parallax       : 3.4750 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 44° (sunlit = 95%), Sun = 160°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.11 path-width (1-sig)
 RUWE and duplicate source : 1.0 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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