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Stellar Occultation by (108660) 2001 NM20 on 2023-07-12 (23:09:02 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] : cd26ec50-ddb3-11f0-547e-d2b6ebfe18a2 [observed]

 Occultation Date + Time   : 2023-07-12 at 23:09:02 UT +/- 0.0 min  [1]
 Object Designation        : (108660) 2001 NM20
 Star Designation          : GDR3 4211910672981404160
 Star Coordinates (ICRF)   : RA = 19 25 01.0467, DE = -04 07 23.762  [2]
 Star Magnitudes           : G = 11.12 mag, RP = 10.12 mag, BP = 12.02 mag
 Object Magnitude          : V = 18.47 mag
 Estimated Magnitude Drop  : 7.4 mag
 Estimated Max. Duration   : 0.5 sec
 Speed of the shadow       : 15.2 km/s
 Object Mean Diameter      : 7.0 km  (src: astorb) => apparent = 4 mas
 Apparent Motion           : 0.5167 arcs/min @ PA = 279 deg
 Horizontal Parallax       : 3.6250 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 121° (sunlit = 21%), Sun = 162°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.08 path-width (1-sig)
 RUWE and duplicate source : 0.94 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL57
 Note                      : FP:true

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


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