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] : 6f2f4c65-d3ba-490d-9590-d6610e14bc0b [observed]
Occultation Date + Time : 2022-07-02 at 23:40:03 UT +/- 0.04 min [1]
Object Designation : (86051) 1999 QB2
Orbit Class : MBA
Star Designation : GDR3 4071974007057387520
Star Coordinates (ICRF) : RA = 18 54 15.7471, DE = -27 31 48.310 [2]
Star Magnitudes : G = 13.98 mag, RP = 13.1 mag, BP = 14.79 mag
Object Magnitude : V = 16.94 mag
Estimated Magnitude Drop : 3.0 mag
Estimated Max. Duration : 0.6 sec
Object Mean Diameter : 5 km (src: astorb)
Speed of the shadow : 9.7 km/s
Elongation to Moon & Sun : 139° (sunlit = 13%), Sun = 175°
Cross-track uncertainty : 4.7 mas = 4 km = 0.89 path-width (1-sig)
RUWE and duplicate source : 1.1 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#44
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0