Stellar Occultation by (52) Europa on 2018-07-05 (03:11:45 UT)
Event Details
Occultation UUID [and db] : 41793070-beaa-45ac-a315-4d90abbc261f [observed]
Occultation Date + Time : 2018-07-05 at 03:11:45 UT +/- 0.01 min [1]
Object Designation : (52) Europa
Star Designation : GDR3 6873695557789831680
Star Coordinates (ICRF) : RA = 20 07 38.8689, DE = -17 42 10.560 [2]
Star Magnitudes : G = 10.31 mag, RP = 9.8 mag, BP = 10.64 mag
Object Magnitude : V = 11.7 mag
Estimated Magnitude Drop : 1.7 mag
Estimated Max. Duration : 23.2 sec
Object Mean Diameter : 303 km (src: astorb)
Orbital Class : MBA
Speed of the shadow : 13.1 km/s
Elongation to Moon & Sun : 59° (sunlit = 62%), Sun = 163°
Cross-track uncertainty : 1.3 mas = 2 km = 0.01 path-width (1-sig)
RUWE and duplicate source : 0.84 mas, dup.src = 1 (0:false, 1:true)
Ephemeris Reference : JPL#125
Object is a <Gaia mass determination> target !
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0