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Stellar Occultation by (19615) 1999 OB3 on 2024-11-25 (17:37:04 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] : a9768020-ddb5-11f0-547e-8932fdef804d [observed]

 Occultation Date + Time   : 2024-11-25 at 17:37:04 UT +/- 0.0 min  [1]
 Object Designation        : (19615) 1999 OB3
 Star Designation          : GDR3 6907542167823069184
 Star Coordinates (ICRF)   : RA = 20 34 08.4690, DE = -07 39 41.528  [2]
 Star Magnitudes           : G = 13.13 mag, RP = 12.34 mag, BP = 13.79 mag
 Object Magnitude          : V = 17.84 mag
 Estimated Magnitude Drop  : 4.7 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 30.4 km/s
 Object Mean Diameter      : 11.8 km  (src: astorb) => apparent = 5 mas
 Apparent Motion           : 0.8450 arcs/min @ PA = 81 deg
 Horizontal Parallax       : 2.9550 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 125° (sunlit = 26%), Sun = 65°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.05 path-width (1-sig)
 RUWE and duplicate source : 1.05 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#72
 Note                      : FP:true

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


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