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] : b19645eb-a2fc-491c-859c-7c8208a006cb [observed]
Occultation Date + Time : 2021-10-27 at 20:30:43 UT +/- 0.03 min [1]
Object Designation : (34167) 2000 QS30
Orbit Class : MBA
Star Designation : GDR3 3271776073140098688
Star Coordinates (ICRF) : RA = 03 46 56.1787, DE = +04 13 18.198 [2]
Star Magnitudes : G = 13.52 mag, RP = 12.86 mag, BP = 14.0 mag
Object Magnitude : V = 17.84 mag
Estimated Magnitude Drop : 4.4 mag
Estimated Max. Duration : 0.6 sec
Object Mean Diameter : 6 km (src: astorb)
Speed of the shadow : 9.9 km/s
Elongation to Moon & Sun : 61° (sunlit = 60%), Sun = 154°
Cross-track uncertainty : 3.3 mas = 4 km = 0.72 path-width (1-sig)
RUWE and duplicate source : 1.01 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#51
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0