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Stellar Occultation by (231509) 2008 RT69 on 2023-12-28 (18:14:41 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] : 4f8e1a10-ddb4-11f0-547e-7f01fff2626e [observed]

 Occultation Date + Time   : 2023-12-28 at 18:14:41 UT +/- 0.07 min  [1]
 Object Designation        : (231509) 2008 RT69
 Star Designation          : GDR3 3356341196061987456
 Star Coordinates (ICRF)   : RA = 06 28 20.4941, DE = +13 45 57.305  [2]
 Star Magnitudes           : G = 9.56 mag, RP = 9.29 mag, BP = 9.7 mag
 Object Magnitude          : V = 19.78 mag
 Estimated Magnitude Drop  : 10.2 mag
 Estimated Max. Duration   : 0.5 sec
 Speed of the shadow       : 16.3 km/s
 Object Mean Diameter      : 8.0 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.3450 arcs/min @ PA = 272 deg
 Horizontal Parallax       : 2.2540 arcs
 Dynamical Class           : JTRO
 Elongation to Moon & Sun  : 25° (sunlit = 97%), Sun = 170°
 Cross-track uncertainty   : 23.3 mas = 65 km = 8.24 path-width (1-sig)
 RUWE and duplicate source : 0.95 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#30
 Note                      : FP:true

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


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