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: sodis
Available (probably) matching predictions (click on the link to switch):
Occultation UUID [and DB] : c863b680-c351-11ef-5276-9af265bbee48 [observed]
Occultation Date + Time : 2024-07-25 at 21:09:04 UT +/- 0.0 min [1]
Object Designation : (9031) 1989 WG4
Orbit Class : MBA
Star Designation : GDR3 4065545025177602688
Star Coordinates (ICRF) : RA = 18 17 41.8165, DE = -23 50 36.859 [2]
Star Magnitudes : G = 15.78 mag, RP = 15.18 mag, BP = 16.21 mag
Object Magnitude : V = 17.63 mag
Estimated Magnitude Drop : 2.0 mag
Estimated Max. Duration : 0.6 sec
Object Mean Diameter : 4.6 km (src: astorb)
Speed of the shadow : 7.7 km/s
Elongation to Moon & Sun : 90° (sunlit = 75%), Sun = 151°
Cross-track uncertainty : 0.5 mas = 0 km = 0.11 path-width (1-sig)
RUWE and duplicate source : 1.01 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#60
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
