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Stellar Occultation by (150069) 2006 SW55 on 2025-04-07 (21:57:06 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] : 691cd910-ddb6-11f0-547e-5c23617976dc [observed]

 Occultation Date + Time   : 2025-04-07 at 21:57:06 UT +/- 0.03 min  [1]
 Object Designation        : (150069) 2006 SW55
 Star Designation          : GDR3 3912165283339936512
 Star Coordinates (ICRF)   : RA = 11 56 07.2350, DE = +09 37 14.952  [2]
 Star Magnitudes           : G = 14.25 mag, RP = 13.69 mag, BP = 14.66 mag
 Object Magnitude          : V = 19.98 mag
 Estimated Magnitude Drop  : 5.7 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 12.5 km/s
 Object Mean Diameter      : 3.3 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.4467 arcs/min @ PA = 306 deg
 Horizontal Parallax       : 3.8020 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 34° (sunlit = 78%), Sun = 156°
 Cross-track uncertainty   : 1.3 mas = 2 km = 0.66 path-width (1-sig)
 RUWE and duplicate source : 1.04 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#38
 Note                      : FP:true

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


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