Stellar Occultation by (121) Hermione on 2020-06-24 (23:35:48 UT)
Event Details
Occultation UUID [and db] : c1c6de4f-51ad-4f6f-847a-5b9afd082b23 [observed]
Occultation Date + Time : 2020-06-24 at 23:35:48 UT +/- 0.01 min [1]
Object Designation : (121) Hermione
Star Designation : GDR3 6762083647123963008
Star Coordinates (ICRF) : RA = 18 57 24.6006, DE = -27 42 17.029 [2]
Star Magnitudes : G = 13.35 mag, RP = 12.81 mag, BP = 13.71 mag
Object Magnitude : V = 12.36 mag
Estimated Magnitude Drop : 0.4 mag
Estimated Max. Duration : 16.1 sec
Object Mean Diameter : 209 km (src: astorb)
Orbital Class : MBA
Speed of the shadow : 13.0 km/s
Elongation to Moon & Sun : 143° (sunlit = 15%), Sun = 170°
Cross-track uncertainty : 1.3 mas = 2 km = 0.01 path-width (1-sig)
RUWE and duplicate source : 0.94 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#133
Object is a <Gaia mass determination> target !
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0