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Stellar Occultation by (7030) Colombini on 2023-07-17 (20:09:44 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] : d9cadac0-ddb3-11f0-547e-e19fefffcb96 [observed]

 Occultation Date + Time   : 2023-07-17 at 20:09:44 UT +/- 0.01 min  [1]
 Object Designation        : (7030) Colombini
 Star Designation          : GDR3 4161653954992289536
 Star Coordinates (ICRF)   : RA = 17 37 13.2705, DE = -13 16 21.321  [2]
 Star Magnitudes           : G = 12.96 mag, RP = 12.24 mag, BP = 13.5 mag
 Object Magnitude          : V = 15.93 mag
 Estimated Magnitude Drop  : 3.0 mag
 Estimated Max. Duration   : 1.8 sec
 Speed of the shadow       : 3.3 km/s
 Object Mean Diameter      : 5.8 km  (src: astorb) => apparent = 9 mas
 Apparent Motion           : 0.2900 arcs/min @ PA = 309 deg
 Horizontal Parallax       : 9.4740 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 145° (sunlit = 0%), Sun = 148°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.03 path-width (1-sig)
 RUWE and duplicate source : 0.94 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL56
 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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