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Stellar Occultation by (676) Melitta on 2023-04-08 (01:41:38 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] : 8e5e8910-ddb3-11f0-547e-732b4eff9c98 [observed]

 Occultation Date + Time   : 2023-04-08 at 01:41:38 UT +/- 0.0 min  [1]
 Object Designation        : (676) Melitta
 Star Designation          : GDR3 4155332686530844800
 Star Coordinates (ICRF)   : RA = 18 42 17.9334, DE = -09 36 42.590  [2]
 Star Magnitudes           : G = 12.61 mag, RP = 11.67 mag, BP = 13.51 mag
 Object Magnitude          : V = 15.07 mag
 Estimated Magnitude Drop  : 2.6 mag
 Estimated Max. Duration   : 5.5 sec
 Speed of the shadow       : 14.6 km/s
 Object Mean Diameter      : 80.0 km  (src: astorb) => apparent = 42 mas
 Apparent Motion           : 0.4583 arcs/min @ PA = 69 deg
 Horizontal Parallax       : 3.3370 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 61° (sunlit = 96%), Sun = 97°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.01 path-width (1-sig)
 RUWE and duplicate source : 1.03 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL81
 Note                      : FP:true

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


More Data and Informations
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