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Stellar Occultation by (46253) 2001 HW34 on 2023-06-25 (23:02:44 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] : bd2d1c20-ddb3-11f0-547e-2835cbfecb0b [observed]

 Occultation Date + Time   : 2023-06-25 at 23:02:44 UT +/- 0.01 min  [1]
 Object Designation        : (46253) 2001 HW34
 Star Designation          : GDR3 6265028735522321792
 Star Coordinates (ICRF)   : RA = 15 32 39.5104, DE = -14 57 46.516  [2]
 Star Magnitudes           : G = 13.61 mag, RP = 12.86 mag, BP = 13.81 mag
 Object Magnitude          : V = 19.06 mag
 Estimated Magnitude Drop  : 5.5 mag
 Estimated Max. Duration   : 0.8 sec
 Speed of the shadow       : 7.3 km/s
 Object Mean Diameter      : 5.5 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.2600 arcs/min @ PA = 295 deg
 Horizontal Parallax       : 3.7520 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 54° (sunlit = 46%), Sun = 140°
 Cross-track uncertainty   : 2.5 mas = 4 km = 0.77 path-width (1-sig)
 RUWE and duplicate source : 1.03 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL54
 Note                      : FP:true

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


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