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Stellar Occultation by (10790) 1991 XS on 2023-09-06 (23:41:28 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] : ffbc2450-ddb3-11f0-547e-c9041fd896fb [observed]

 Occultation Date + Time   : 2023-09-06 at 23:41:28 UT +/- 0.0 min  [1]
 Object Designation        : (10790) 1991 XS
 Star Designation          : GDR3 3372586102405306496
 Star Coordinates (ICRF)   : RA = 06 25 31.5952, DE = +20 05 50.446  [2]
 Star Magnitudes           : G = 10.95 mag, RP = 10.54 mag, BP = 11.17 mag
 Object Magnitude          : V = 18.39 mag
 Estimated Magnitude Drop  : 7.5 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 29.2 km/s
 Object Mean Diameter      : 9.2 km  (src: astorb) => apparent = 4 mas
 Apparent Motion           : 0.8217 arcs/min @ PA = 101 deg
 Horizontal Parallax       : 2.9950 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 22° (sunlit = 49%), Sun = 68°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.07 path-width (1-sig)
 RUWE and duplicate source : 0.97 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#61
 Note                      : FP:true

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


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