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] : 8052951e-72b0-42ff-9c37-80664fb26a45 [observed]
Occultation Date + Time : 2021-12-17 at 21:05:38 UT +/- 0.02 min [1]
Object Designation : (19504) Vladalekseev
Orbit Class : MBA
Star Designation : GDR3 3341840218239195904
Star Coordinates (ICRF) : RA = 06 02 49.7975, DE = +10 38 31.488 [2]
Star Magnitudes : G = 15.73 mag, RP = 17.78 mag, BP = 19.87 mag
Object Magnitude : V = 17.57 mag
Estimated Magnitude Drop : 2.0 mag
Estimated Max. Duration : 0.6 sec
Object Mean Diameter : 8 km (src: astorb)
Speed of the shadow : 13.2 km/s
Elongation to Moon & Sun : 23° (sunlit = 98%), Sun = 166°
Cross-track uncertainty : 1.7 mas = 2 km = 0.33 path-width (1-sig)
RUWE and duplicate source : 1.14 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#47
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0