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Stellar Occultation by (33769) 1999 RN112 on 2023-04-13 (21:39:28 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] : 8c090050-ddb3-11f0-547e-5317afdf9692 [observed]

 Occultation Date + Time   : 2023-04-13 at 21:39:28 UT +/- 0.0 min  [1]
 Object Designation        : (33769) 1999 RN112
 Star Designation          : GDR3 0663114126979344384
 Star Coordinates (ICRF)   : RA = 08 30 56.5082, DE = +20 15 45.431  [2]
 Star Magnitudes           : G = 11.41 mag, RP = 10.77 mag, BP = 11.89 mag
 Object Magnitude          : V = 18.66 mag
 Estimated Magnitude Drop  : 7.3 mag
 Estimated Max. Duration   : 0.5 sec
 Speed of the shadow       : 12.0 km/s
 Object Mean Diameter      : 5.5 km  (src: astorb) => apparent = 4 mas
 Apparent Motion           : 0.4717 arcs/min @ PA = 62 deg
 Horizontal Parallax       : 4.1760 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 174° (sunlit = 44%), Sun = 101°
 Cross-track uncertainty   : 0.5 mas = 0 km = 0.14 path-width (1-sig)
 RUWE and duplicate source : 3.2 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL58
 Note                      : FP:true

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


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