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Stellar Occultation by (983) Gunila on 2023-12-01 (19:12:19 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] : 41b77800-ddb4-11f0-547e-3243b3fe9249 [observed]

 Occultation Date + Time   : 2023-12-01 at 19:12:19 UT +/- 0.0 min  [1]
 Object Designation        : (983) Gunila
 Star Designation          : GDR3 4217904248294191360
 Star Coordinates (ICRF)   : RA = 20 23 23.1067, DE = -06 28 42.318  [2]
 Star Magnitudes           : G = 12.65 mag, RP = 11.94 mag, BP = 13.22 mag
 Object Magnitude          : V = 15.58 mag
 Estimated Magnitude Drop  : 3.0 mag
 Estimated Max. Duration   : 2.2 sec
 Speed of the shadow       : 33.1 km/s
 Object Mean Diameter      : 73.9 km  (src: astorb) => apparent = 29 mas
 Apparent Motion           : 0.7817 arcs/min @ PA = 82 deg
 Horizontal Parallax       : 2.5100 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 162° (sunlit = 81%), Sun = 58°
 Cross-track uncertainty   : 0.4 mas = 1 km = 0.01 path-width (1-sig)
 RUWE and duplicate source : 2.02 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#81
 Note                      : FP:true

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


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