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Stellar Occultation by (287634) 2003 HH43 on 2025-04-02 (20:07:15 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] : 5bfa92e0-ddb6-11f0-547e-b166bff3ca1d [observed]

 Occultation Date + Time   : 2025-04-02 at 20:07:15 UT +/- 0.07 min  [1]
 Object Designation        : (287634) 2003 HH43
 Star Designation          : GDR3 3985030640466076672
 Star Coordinates (ICRF)   : RA = 10 59 47.8089, DE = +20 02 54.327  [2]
 Star Magnitudes           : G = 14.44 mag, RP = 13.97 mag, BP = 14.74 mag
 Object Magnitude          : V = 20.34 mag
 Estimated Magnitude Drop  : 5.9 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 8.1 km/s
 Object Mean Diameter      : 2.1 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.3617 arcs/min @ PA = 255 deg
 Horizontal Parallax       : 4.7480 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 83° (sunlit = 26%), Sun = 143°
 Cross-track uncertainty   : 20.0 mas = 26 km = 12.79 path-width (1-sig)
 RUWE and duplicate source : 1.04 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#23
 Note                      : FP:true

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


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