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Stellar Occultation by (30228) Hushoucun on 2025-11-30 (22:08:48 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] : d4b5f1a0-ddb8-11f0-547e-9662cff9cbf8 [observed]

 Occultation Date + Time   : 2025-11-30 at 22:08:48 UT +/- 0.02 min  [1]
 Object Designation        : (30228) Hushoucun
 Star Designation          : GDR3 3433450221395213312
 Star Coordinates (ICRF)   : RA = 06 21 55.6248, DE = +27 31 34.121  [2]
 Star Magnitudes           : G = 9.84 mag, RP = 9.01 mag, BP = 10.56 mag
 Object Magnitude          : V = 17.85 mag
 Estimated Magnitude Drop  : 8.0 mag
 Estimated Max. Duration   : 0.5 sec
 Speed of the shadow       : 9.9 km/s
 Object Mean Diameter      : 5.2 km  (src: astorb) => apparent = 4 mas
 Apparent Motion           : 0.5033 arcs/min @ PA = 295 deg
 Horizontal Parallax       : 5.3790 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 82° (sunlit = 78%), Sun = 154°
 Cross-track uncertainty   : 1.3 mas = 1 km = 0.30 path-width (1-sig)
 RUWE and duplicate source : 1.05 mas, dup.src = 1  (0:false, 1:true)

 Ephemeris Reference       : JPL#53
 Note                      : FP:true

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


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