Stellar Occultation by (386) Siegena on 2019-09-22 (22:30:57 UT)
Event Details
Occultation UUID [and db] : 396303f2-0c2d-45a2-b95d-c8c1c48b456a [observed]
Occultation Date + Time : 2019-09-22 at 22:30:57 UT +/- 0.01 min [1]
Object Designation : (386) Siegena
Star Designation : GDR3 4253734854051534208
Star Coordinates (ICRF) : RA = 18 54 52.1426, DE = -06 34 40.630 [2]
Star Magnitudes : G = 13.68 mag, RP = 12.77 mag, BP = 14.55 mag
Object Magnitude : V = 12.84 mag
Estimated Magnitude Drop : 0.4 mag
Estimated Max. Duration : 12.0 sec
Object Mean Diameter : 165 km (src: astorb)
Orbital Class : MBA
Speed of the shadow : 13.8 km/s
Elongation to Moon & Sun : 164° (sunlit = 41%), Sun = 104°
Cross-track uncertainty : 0.7 mas = 1 km = 0.01 path-width (1-sig)
RUWE and duplicate source : 1.06 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#126
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0