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Stellar Occultation by (17833) 1998 HO42 on 2024-12-09 (19:42:34 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] : bb73e880-ddb5-11f0-547e-0b17dfafc033 [observed]

 Occultation Date + Time   : 2024-12-09 at 19:42:34 UT +/- 0.0 min  [1]
 Object Designation        : (17833) 1998 HO42
 Star Designation          : GDR3 3398824809233376256
 Star Coordinates (ICRF)   : RA = 05 51 51.9402, DE = +19 09 18.952  [2]
 Star Magnitudes           : G = 9.51 mag, RP = 8.46 mag, BP = 10.65 mag
 Object Magnitude          : V = 16.84 mag
 Estimated Magnitude Drop  : 7.3 mag
 Estimated Max. Duration   : 0.6 sec
 Speed of the shadow       : 10.7 km/s
 Object Mean Diameter      : 6.7 km  (src: astorb) => apparent = 6 mas
 Apparent Motion           : 0.5833 arcs/min @ PA = 286 deg
 Horizontal Parallax       : 5.7830 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 85° (sunlit = 63%), Sun = 169°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.05 path-width (1-sig)
 RUWE and duplicate source : 0.98 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL52
 Note                      : FP:true

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


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