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Stellar Occultation by (2670) Chuvashia on 2023-08-10 (01:47:40 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] : e92c6290-ddb3-11f0-547e-a149d7777c18 [observed]

 Occultation Date + Time   : 2023-08-10 at 01:47:40 UT +/- 0.0 min  [1]
 Object Designation        : (2670) Chuvashia
 Star Designation          : GDR3 0115793387750521984
 Star Coordinates (ICRF)   : RA = 03 02 38.6092, DE = +27 23 27.343  [2]
 Star Magnitudes           : G = 13.7 mag, RP = 13.13 mag, BP = 14.1 mag
 Object Magnitude          : V = 16.8 mag
 Estimated Magnitude Drop  : 3.2 mag
 Estimated Max. Duration   : 1.1 sec
 Speed of the shadow       : 18.7 km/s
 Object Mean Diameter      : 21.2 km  (src: astorb) => apparent = 10 mas
 Apparent Motion           : 0.5250 arcs/min @ PA = 64 deg
 Horizontal Parallax       : 2.9820 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 17° (sunlit = 33%), Sun = 86°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.03 path-width (1-sig)
 RUWE and duplicate source : 1.08 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#68
 Note                      : FP:true

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


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