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] : 5397b8b0-89db-11ef-78cd-f571d7fa1fdf [asteroids]
Occultation Date + Time : 2024-12-06 at 18:59:29 UT +/- 0.0 min [1]
Object Designation : (4484) Sif
Orbit Class : MBA
Star Designation : GDR3 3384282810178821504
Star Coordinates (ICRF) : RA = 06 31 05.2565, DE = +26 06 18.557 [2]
Star Magnitudes : G = 13.34 mag, RP = 12.87 mag, BP = 13.63 mag
Object Magnitude : V = 15.79 mag
Estimated Magnitude Drop : 2.6 mag
Estimated Max. Duration : 1.4 sec
Object Mean Diameter : 21 km (src: astorb)
Speed of the shadow : 15.0 km/s
Elongation to Moon & Sun : 135° (sunlit = 30%), Sun = 158°
Cross-track uncertainty : 0.7 mas = 0 km = 0.03 path-width (1-sig)
RUWE and duplicate source : 1.07 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