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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4 observations found in db: sodis
Available (probably) matching predictions (click on the link to switch):
Occultation UUID [and DB] : f4d73b26-0c25-418a-9fac-21a314dda101 [observed]
Occultation Date + Time : 2023-10-04 at 18:52:09 UT +/- 0.06 min [1]
Object Designation : (109392) 2001 QV172
Orbit Class : MBA
Star Designation : GDR3 6871503200325369984
Star Coordinates (ICRF) : RA = 19 47 09.0685, DE = -17 04 41.355 [2]
Star Magnitudes : G = 5.68 mag, RP = 4.48 mag, BP = 7.1 mag
Object Magnitude : V = 19.76 mag
Estimated Magnitude Drop : 14.1 mag
Estimated Max. Duration : 0.3 sec
Object Mean Diameter : 4 km (src: astorb)
Speed of the shadow : 11.7 km/s
Elongation to Moon & Sun : 144° (sunlit = 68%), Sun = 104°
Cross-track uncertainty : 18.0 mas = 29 km = 7.89 path-width (1-sig)
RUWE and duplicate source : 0.96 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#30
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0