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Stellar Occultation by (1627) Ivar on 2023-04-08 (20:19:29 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] : 8a2b3fa0-ddb3-11f0-547e-c366edfff974 [observed]

 Occultation Date + Time   : 2023-04-08 at 20:19:29 UT +/- 0.0 min  [1]
 Object Designation        : (1627) Ivar
 Star Designation          : GDR3 3737005075215742848
 Star Coordinates (ICRF)   : RA = 13 04 54.0090, DE = +11 31 49.684  [2]
 Star Magnitudes           : G = 14.68 mag, RP = 13.58 mag, BP = 15.9 mag
 Object Magnitude          : V = 13.82 mag
 Estimated Magnitude Drop  : 0.4 mag
 Estimated Max. Duration   : 1.0 sec
 Speed of the shadow       : 9.5 km/s
 Object Mean Diameter      : 9.5 km  (src: astorb) => apparent = 17 mas
 Apparent Motion           : 1.0000 arcs/min @ PA = 308 deg
 Horizontal Parallax       : 11.2500 arcs
 Dynamical Class           : NEO
 Elongation to Moon & Sun  : 44° (sunlit = 92%), Sun = 161°
 Cross-track uncertainty   : 0.8 mas = 0 km = 0.05 path-width (1-sig)
 RUWE and duplicate source : 0.97 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#1501
 Note                      : FP:true

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


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