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Stellar Occultation by (57885) 2002 AU181 on 2025-04-10 (20:53:04 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] : 6e82fd30-ddb6-11f0-547e-0453ebb9b282 [observed]

 Occultation Date + Time   : 2025-04-10 at 20:53:04 UT +/- 0.0 min  [1]
 Object Designation        : (57885) 2002 AU181
 Star Designation          : GDR3 0653200483465423488
 Star Coordinates (ICRF)   : RA = 08 08 17.3519, DE = +13 03 55.250  [2]
 Star Magnitudes           : G = 14.36 mag, RP = 13.85 mag, BP = 14.71 mag
 Object Magnitude          : V = 19.59 mag
 Estimated Magnitude Drop  : 5.2 mag
 Estimated Max. Duration   : 0.6 sec
 Speed of the shadow       : 8.9 km/s
 Object Mean Diameter      : 5.5 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.2650 arcs/min @ PA = 110 deg
 Horizontal Parallax       : 3.1720 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 57° (sunlit = 96%), Sun = 100°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.26 path-width (1-sig)
 RUWE and duplicate source : 1.07 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#41
 Note                      : FP:true

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


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