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Stellar Occultation by (135164) 2001 QH248 on 2023-07-18 (22:05:36 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] : d09474c0-ddb3-11f0-547e-dde0fdd79654 [observed]

 Occultation Date + Time   : 2023-07-18 at 22:05:36 UT +/- 0.04 min  [1]
 Object Designation        : (135164) 2001 QH248
 Star Designation          : GDR3 2683314117058056320
 Star Coordinates (ICRF)   : RA = 22 00 05.8748, DE = +02 09 11.279  [2]
 Star Magnitudes           : G = 13.36 mag, RP = 12.69 mag, BP = 13.88 mag
 Object Magnitude          : V = 18.8 mag
 Estimated Magnitude Drop  : 5.5 mag
 Estimated Max. Duration   : 0.9 sec
 Speed of the shadow       : 4.5 km/s
 Object Mean Diameter      : 4.1 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.2083 arcs/min @ PA = 245 deg
 Horizontal Parallax       : 4.9240 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 150° (sunlit = 1%), Sun = 141°
 Cross-track uncertainty   : 1.0 mas = 1 km = 0.32 path-width (1-sig)
 RUWE and duplicate source : 1.15 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL41
 Note                      : FP:true

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


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