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Stellar Occultation by (33753) 1999 RW42 on 2025-01-03 (21:45:02 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] : a1227ca0-8b93-11ef-78cd-e397bed8e5d6 [asteroids]

 Occultation Date + Time   : 2025-01-03 at 21:45:02 UT +/- 0.02 min  [1]
 Object Designation        : (33753) 1999 RW42
 Star Designation          : GDR3 3348029540991567616
 Star Coordinates (ICRF)   : RA = 05 50 45.5269, DE = +15 27 58.408  [2]
 Star Magnitudes           : G = 14.42 mag, RP = 13.67 mag, BP = 14.99 mag
 Object Magnitude          : V = 17.47 mag
 Estimated Magnitude Drop  : 3.1 mag
 Estimated Max. Duration   : 0.9 sec
 Object Mean Diameter      : 11 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 12.1 km/s
 Elongation to Moon & Sun  : 113° (sunlit = 18%), Sun = 162°
 Cross-track uncertainty   : 1.0 mas = 1 km = 0.16 path-width (1-sig)
 RUWE and duplicate source : 1.0 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#43

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


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