UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km |
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1 observation found in db: euraster
Available (probably) matching predictions (click on the link to switch):
Occultation UUID [and DB] : 93c87568-b845-4504-92ff-4c6784dbf03b [observed]
Occultation Date + Time : 2019-10-20 at 18:59:41 UT +/- 0.0 min [1]
Object Designation : (74) Galatea
Orbit Class : MBA
Star Designation : GDR3 4092868640678954240
Star Coordinates (ICRF) : RA = 18 30 29.3536, DE = -19 30 08.382 [2]
Star Magnitudes : G = 11.7 mag, RP = 10.85 mag, BP = 12.45 mag
Object Magnitude : V = 14.05 mag
Estimated Magnitude Drop : 2.5 mag
Estimated Max. Duration : 4.4 sec
Object Mean Diameter : 119 km (src: astorb)
Speed of the shadow : 27.2 km/s
Elongation to Moon & Sun : 169° (sunlit = 58%), Sun = 70°
Cross-track uncertainty : 0.3 mas = 0 km = 0.00 path-width (1-sig)
RUWE and duplicate source : 1.04 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#127
Object is a Gaia mass determination target !
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0