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Stellar Occultation by (1627) Ivar on 2023-04-28 (00:17:37 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] : 916e6120-ddb3-11f0-547e-4c23fbf0cb40 [observed]

 Occultation Date + Time   : 2023-04-28 at 00:17:37 UT +/- 0.0 min  [1]
 Object Designation        : (1627) Ivar
 Star Designation          : GDR3 3932688900526827136
 Star Coordinates (ICRF)   : RA = 12 40 09.3175, DE = +15 13 27.280  [2]
 Star Magnitudes           : G = 14.44 mag, RP = 13.74 mag, BP = 14.99 mag
 Object Magnitude          : V = 13.82 mag
 Estimated Magnitude Drop  : 0.5 mag
 Estimated Max. Duration   : 1.4 sec
 Speed of the shadow       : 6.9 km/s
 Object Mean Diameter      : 9.5 km  (src: astorb) => apparent = 18 mas
 Apparent Motion           : 0.7617 arcs/min @ PA = 294 deg
 Horizontal Parallax       : 11.8140 arcs
 Dynamical Class           : NEO
 Elongation to Moon & Sun  : 54° (sunlit = 51%), Sun = 142°
 Cross-track uncertainty   : 0.4 mas = 0 km = 0.02 path-width (1-sig)
 RUWE and duplicate source : 0.97 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL1501
 Note                      : FP:true

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


More Data and Informations
SiMDA | 3D Asteroid Catalogue | Johnston Archive | Star at CDS (Vizier) | JPL Small-Body Node | Minor Planet Center | Wikipedia
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