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Stellar Occultation by (30750) 1981 EY28 on 2023-10-12 (22:30:37 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] : 273127b0-ddb4-11f0-547e-830784e52fdd [observed]

 Occultation Date + Time   : 2023-10-12 at 22:30:37 UT +/- 0.0 min  [1]
 Object Designation        : (30750) 1981 EY28
 Star Designation          : GDR3 0334443506999501056
 Star Coordinates (ICRF)   : RA = 02 34 09.6805, DE = +37 59 36.440  [2]
 Star Magnitudes           : G = 10.91 mag, RP = 10.13 mag, BP = 11.56 mag
 Object Magnitude          : V = 17.38 mag
 Estimated Magnitude Drop  : 6.5 mag
 Estimated Max. Duration   : 0.6 sec
 Speed of the shadow       : 7.8 km/s
 Object Mean Diameter      : 4.8 km  (src: astorb) => apparent = 5 mas
 Apparent Motion           : 0.5033 arcs/min @ PA = 299 deg
 Horizontal Parallax       : 6.8450 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 126° (sunlit = 3%), Sun = 144°
 Cross-track uncertainty   : 0.7 mas = 0 km = 0.14 path-width (1-sig)
 RUWE and duplicate source : 1.12 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#51
 Note                      : FP:true

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


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