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Stellar Occultation by (415397) 2013 OG4 on 2024-08-04 (22:28:11 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] : 232790e0-ddb5-11f0-547e-088765fb9bcc [observed]

 Occultation Date + Time   : 2024-08-04 at 22:28:11 UT +/- 0.57 min  [1]
 Object Designation        : (415397) 2013 OG4
 Star Designation          : GDR3 4123129021743434624
 Star Coordinates (ICRF)   : RA = 17 36 26.1603, DE = -18 54 21.443  [2]
 Star Magnitudes           : G = 13.6 mag, RP = 12.18 mag, BP = 16.05 mag
 Object Magnitude          : V = 19.54 mag
 Estimated Magnitude Drop  : 6.0 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 8.3 km/s
 Object Mean Diameter      : 3.3 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.3567 arcs/min @ PA = 195 deg
 Horizontal Parallax       : 4.5740 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 125° (sunlit = 0%), Sun = 131°
 Cross-track uncertainty   : 31.7 mas = 44 km = 13.40 path-width (1-sig)
 RUWE and duplicate source : 0.83 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL34
 Note                      : FP:true

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


More Data and Informations
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