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Stellar Occultation by (110091) 2001 SW120 on 2024-08-30 (20:03:24 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] : 50e1f4d0-ddb5-11f0-547e-a9abfbff3131 [observed]

 Occultation Date + Time   : 2024-08-30 at 20:03:24 UT +/- 0.03 min  [1]
 Object Designation        : (110091) 2001 SW120
 Star Designation          : GDR3 2592500533981877248
 Star Coordinates (ICRF)   : RA = 01 36 21.2884, DE = +16 34 42.921  [2]
 Star Magnitudes           : G = 11.71 mag, RP = 11.03 mag, BP = 12.25 mag
 Object Magnitude          : V = 20.18 mag
 Estimated Magnitude Drop  : 8.5 mag
 Estimated Max. Duration   : 0.7 sec
 Speed of the shadow       : 3.6 km/s
 Object Mean Diameter      : 2.6 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.1517 arcs/min @ PA = 297 deg
 Horizontal Parallax       : 4.4460 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 93° (sunlit = 10%), Sun = 129°
 Cross-track uncertainty   : 1.3 mas = 1 km = 0.72 path-width (1-sig)
 RUWE and duplicate source : 0.94 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#42
 Note                      : FP:true

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


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