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Stellar Occultation by (18729) Potentino on 2024-08-27 (22:20:26 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] : 4a86e960-ddb5-11f0-547e-39673ffc0051 [observed]

 Occultation Date + Time   : 2024-08-27 at 22:20:26 UT +/- 0.01 min  [1]
 Object Designation        : (18729) Potentino
 Star Designation          : GDR3 6837247915556682112
 Star Coordinates (ICRF)   : RA = 21 52 49.8055, DE = -17 02 18.256  [2]
 Star Magnitudes           : G = 14.34 mag, RP = 13.78 mag, BP = 14.74 mag
 Object Magnitude          : V = 17.85 mag
 Estimated Magnitude Drop  : 3.6 mag
 Estimated Max. Duration   : 0.5 sec
 Speed of the shadow       : 10.1 km/s
 Object Mean Diameter      : 5.0 km  (src: astorb) => apparent = 4 mas
 Apparent Motion           : 0.4950 arcs/min @ PA = 247 deg
 Horizontal Parallax       : 5.1870 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 120° (sunlit = 34%), Sun = 169°
 Cross-track uncertainty   : 0.7 mas = 0 km = 0.17 path-width (1-sig)
 RUWE and duplicate source : 0.97 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#59
 Note                      : FP:true

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


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