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Stellar Occultation by (3428) Roberts on 2024-12-24 (00:27:52 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] : ca277d10-ddb5-11f0-547e-78aab7bfa048 [observed]

 Occultation Date + Time   : 2024-12-24 at 00:27:52 UT +/- 0.0 min  [1]
 Object Designation        : (3428) Roberts
 Star Designation          : GDR3 3351416513541653632
 Star Coordinates (ICRF)   : RA = 06 53 24.2653, DE = +11 57 41.715  [2]
 Star Magnitudes           : G = 12.58 mag, RP = 12.17 mag, BP = 12.84 mag
 Object Magnitude          : V = 15.66 mag
 Estimated Magnitude Drop  : 3.1 mag
 Estimated Max. Duration   : 1.1 sec
 Speed of the shadow       : 10.8 km/s
 Object Mean Diameter      : 11.9 km  (src: astorb) => apparent = 11 mas
 Apparent Motion           : 0.5850 arcs/min @ PA = 259 deg
 Horizontal Parallax       : 5.7500 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 91° (sunlit = 40%), Sun = 165°
 Cross-track uncertainty   : 0.4 mas = 0 km = 0.04 path-width (1-sig)
 RUWE and duplicate source : 1.26 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#61
 Note                      : FP:true

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


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