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Stellar Occultation by (417875) 2007 OG1 on 2024-08-13 (19:40:07 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] : 3ae30160-ddb5-11f0-547e-2ec15fcd24ea [observed]

 Occultation Date + Time   : 2024-08-13 at 19:40:07 UT +/- 0.06 min  [1]
 Object Designation        : (417875) 2007 OG1
 Star Designation          : GDR3 1896216383170192640
 Star Coordinates (ICRF)   : RA = 21 59 51.3726, DE = +28 41 54.441  [2]
 Star Magnitudes           : G = 13.29 mag, RP = 12.46 mag, BP = 14.02 mag
 Object Magnitude          : V = 18.46 mag
 Estimated Magnitude Drop  : 5.2 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 9.4 km/s
 Object Mean Diameter      : 3.8 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.5083 arcs/min @ PA = 298 deg
 Horizontal Parallax       : 5.7650 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 100° (sunlit = 62%), Sun = 137°
 Cross-track uncertainty   : 24.0 mas = 26 km = 6.99 path-width (1-sig)
 RUWE and duplicate source : 1.11 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#37
 Note                      : FP:true

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


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