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] : dff04115-eee0-4bd8-8ad9-27f683c8156b [observed]
Occultation Date + Time : 2022-11-08 at 02:11:47 UT +/- 0.02 min [1]
Object Designation : (1247) Memoria
Orbit Class : MBA
Star Designation : GDR3 3411565679392486400
Star Coordinates (ICRF) : RA = 04 50 38.0177, DE = +20 02 41.193 [2]
Star Magnitudes : G = 13.4 mag, RP = 12.86 mag, BP = 13.77 mag
Object Magnitude : V = 15.89 mag
Estimated Magnitude Drop : 2.6 mag
Estimated Max. Duration : 3.1 sec
Object Mean Diameter : 36 km (src: astorb)
Speed of the shadow : 11.8 km/s
Elongation to Moon & Sun : 33° (sunlit = 100%), Sun = 152°
Cross-track uncertainty : 1.0 mas = 1 km = 0.05 path-width (1-sig)
RUWE and duplicate source : 1.05 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#65
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0