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Stellar Occultation by (66248) 1999 FC37 on 2022-12-31 (17:20:06 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] : 4660f850-ddb3-11f0-547e-9e8edf7afd95 [observed]

 Occultation Date + Time   : 2022-12-31 at 17:20:06 UT +/- 0.01 min  [1]
 Object Designation        : (66248) 1999 FC37
 Star Designation          : GDR3 0237055157925243520
 Star Coordinates (ICRF)   : RA = 03 40 06.3772, DE = +40 53 21.107  [2]
 Star Magnitudes           : G = 11.21 mag, RP = 10.49 mag, BP = 11.79 mag
 Object Magnitude          : V = 18.04 mag
 Estimated Magnitude Drop  : 6.8 mag
 Estimated Max. Duration   : 0.7 sec
 Speed of the shadow       : 8.8 km/s
 Object Mean Diameter      : 5.9 km  (src: astorb) => apparent = 4 mas
 Apparent Motion           : 0.4017 arcs/min @ PA = 209 deg
 Horizontal Parallax       : 4.8470 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 38° (sunlit = 67%), Sun = 138°
 Cross-track uncertainty   : 0.6 mas = 0 km = 0.13 path-width (1-sig)
 RUWE and duplicate source : 4.12 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#61
 Note                      : FP:true

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


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