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Stellar Occultation by (9355) 1991 XO2 on 2023-08-13 (21:12:24 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] : aee02161-3934-4c89-97d4-232ddeddb16c [observed]

 Occultation Date + Time   : 2023-08-13 at 21:12:24 UT +/- 0.03 min  [1]
 Object Designation        : (9355) 1991 XO2
 Star Designation          : GDR3 4184119726317330176
 Star Coordinates (ICRF)   : RA = 19 22 10.6384, DE = -15 14 01.688  [2]
 Star Magnitudes           : G = 14.01 mag, RP = 13.27 mag, BP = 14.59 mag
 Object Magnitude          : V = 18.79 mag
 Estimated Magnitude Drop  : 4.8 mag
 Estimated Max. Duration   : 0.4 sec
 Object Mean Diameter      : 3.4 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 8.6 km/s
 Elongation to Moon & Sun  : 168° (sunlit = 6%), Sun = 148°
 Cross-track uncertainty   : 3.3 mas = 3 km = 1.13 path-width (1-sig)
 RUWE and duplicate source : 1.09 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#44

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


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