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Stellar Occultation by (72824) 2001 HG4 on 2023-08-16 (02:00:43 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] : eda58ea0-ddb3-11f0-547e-6da5c7ef483a [observed]

 Occultation Date + Time   : 2023-08-16 at 02:00:43 UT +/- 0.03 min  [1]
 Object Designation        : (72824) 2001 HG4
 Star Designation          : GDR3 4235222312353883520
 Star Coordinates (ICRF)   : RA = 19 55 55.2763, DE = -01 36 43.651  [2]
 Star Magnitudes           : G = 9.97 mag, RP = 9.23 mag, BP = 10.24 mag
 Object Magnitude          : V = 19.25 mag
 Estimated Magnitude Drop  : 9.3 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 10.4 km/s
 Object Mean Diameter      : 4.0 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.4133 arcs/min @ PA = 244 deg
 Horizontal Parallax       : 4.2090 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 150° (sunlit = 0%), Sun = 151°
 Cross-track uncertainty   : 8.0 mas = 12 km = 3.03 path-width (1-sig)
 RUWE and duplicate source : 1.03 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL39
 Note                      : FP:true

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


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