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Stellar Occultation by (48686) 1996 EM1 on 2026-08-13 (21:54:51 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] : 08691f80-d9ae-11f1-43f3-6cb794e6c925 [observed]

 Occultation Date + Time   : 2026-08-13 at 21:54:51 UT +/- 0.0 min  [1]
 Object Designation        : (48686) 1996 EM1
 Star Designation          : GDR3 6829075657944641536
 Star Coordinates (ICRF)   : RA = 21 15 34.0266, DE = -21 40 31.420  [2]
 Star Magnitudes           : G = 13.0 mag, RP = 12.58 mag, BP = 13.26 mag
 Object Magnitude          : V = 18.11 mag
 Estimated Magnitude Drop  : 5.1 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 12.3 km/s
 Object Mean Diameter      : 4.2 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.6117 arcs/min @ PA = 269 deg
 Horizontal Parallax       : 5.2960 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 157° (sunlit = 2%), Sun = 172°
 Cross-track uncertainty   : 1.3 mas = 1 km = 0.37 path-width (1-sig)
 RUWE and duplicate source : 1.26 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL46
 Note                      : FP:true

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


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