UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km |
More
1 observation found in db: euraster
Available (probably) matching predictions (click on the link to switch):
Occultation UUID [and DB] : 7ab3fed2-b23d-453b-aa66-cb650f1f3a9b [observed]
Occultation Date + Time : 2022-01-17 at 02:27:03 UT +/- 0.04 min [1]
Object Designation : (190) Ismene
Orbit Class : MBA
Star Designation : GDR3 0653392416964804608
Star Coordinates (ICRF) : RA = 07 58 58.3813, DE = +13 11 16.209 [2]
Star Magnitudes : G = 13.09 mag, RP = 12.61 mag, BP = 13.4 mag
Object Magnitude : V = 12.75 mag
Estimated Magnitude Drop : 0.6 mag
Estimated Max. Duration : 6.8 sec
Object Mean Diameter : 89 km (src: astorb)
Speed of the shadow : 13.0 km/s
Elongation to Moon & Sun : 16° (sunlit = 99%), Sun = 172°
Cross-track uncertainty : 2.7 mas = 4 km = 0.05 path-width (1-sig)
RUWE and duplicate source : 1.04 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#131
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0