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] : 2db45169-c6e1-4eae-af55-de760e4e6e5f [observed]
Occultation Date + Time : 2021-10-30 at 18:42:17 UT +/- 0.01 min [1]
Object Designation : (20765) 2000 JC40
Orbit Class : MBA
Star Designation : GDR3 4225437513554092928
Star Coordinates (ICRF) : RA = 20 41 14.0549, DE = -01 57 17.219 [2]
Star Magnitudes : G = 12.45 mag, RP = 11.74 mag, BP = 13.02 mag
Object Magnitude : V = 18.05 mag
Estimated Magnitude Drop : 5.6 mag
Estimated Max. Duration : 0.5 sec
Object Mean Diameter : 9 km (src: astorb)
Speed of the shadow : 15.9 km/s
Elongation to Moon & Sun : 152° (sunlit = 31%), Sun = 94°
Cross-track uncertainty : 2.3 mas = 3 km = 0.46 path-width (1-sig)
RUWE and duplicate source : 1.06 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#52
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0