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Stellar Occultation by (39520) 1988 NY on 2025-12-27 (18:50:12 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] : b5c73850-d996-11f1-43f3-38a53f9f2fe1 [observed]

 Occultation Date + Time   : 2025-12-27 at 18:50:12 UT +/- 0.0 min  [1]
 Object Designation        : (39520) 1988 NY
 Star Designation          : GDR3 3342424368150955520
 Star Coordinates (ICRF)   : RA = 06 09 56.4637, DE = +12 00 43.392  [2]
 Star Magnitudes           : G = 9.3 mag, RP = 8.51 mag, BP = 9.97 mag
 Object Magnitude          : V = 18.43 mag
 Estimated Magnitude Drop  : 9.1 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 16.6 km/s
 Object Mean Diameter      : 4.2 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.7650 arcs/min @ PA = 294 deg
 Horizontal Parallax       : 4.8960 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 87° (sunlit = 50%), Sun = 168°
 Cross-track uncertainty   : 0.8 mas = 1 km = 0.25 path-width (1-sig)
 RUWE and duplicate source : 2.79 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL49
 Note                      : FP:true

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


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