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Stellar Occultation by (439131) 2011 SE246 on 2024-10-25 (19:40:49 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] : 92111ee0-ddb5-11f0-547e-57adbf1fdaff [observed]

 Occultation Date + Time   : 2024-10-25 at 19:40:49 UT +/- 0.07 min  [1]
 Object Designation        : (439131) 2011 SE246
 Star Designation          : GDR3 0310917325417823360
 Star Coordinates (ICRF)   : RA = 00 59 11.1395, DE = +28 24 44.382  [2]
 Star Magnitudes           : G = 10.77 mag, RP = 10.4 mag, BP = 10.99 mag
 Object Magnitude          : V = 18.88 mag
 Estimated Magnitude Drop  : 8.1 mag
 Estimated Max. Duration   : 0.2 sec
 Speed of the shadow       : 5.4 km/s
 Object Mean Diameter      : 1.30 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.5100 arcs/min @ PA = 215 deg
 Horizontal Parallax       : 10.0760 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 112° (sunlit = 36%), Sun = 158°
 Cross-track uncertainty   : 20.3 mas = 12 km = 9.88 path-width (1-sig)
 RUWE and duplicate source : 0.87 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL18
 Note                      : FP:true

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


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