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] : f53c4170-8541-11ef-78cd-292eaff22b6d [asteroids]
Occultation Date + Time : 2024-11-28 at 02:48:19 UT +/- 0.01 min [1]
Object Designation : (140) Siwa
Orbit Class : MBA
Star Designation : GDR3 0865268582514916864
Star Coordinates (ICRF) : RA = 07 35 50.6378, DE = +21 03 44.506 [2]
Star Magnitudes : G = 13.27 mag, RP = 12.78 mag, BP = 13.59 mag
Object Magnitude : V = 13.79 mag
Estimated Magnitude Drop : 1.1 mag
Estimated Max. Duration : 15.6 sec
Object Mean Diameter : 110 km (src: astorb)
Speed of the shadow : 7.1 km/s
Elongation to Moon & Sun : 99° (sunlit = 9%), Sun = 134°
Cross-track uncertainty : 1.0 mas = 1 km = 0.02 path-width (1-sig)
RUWE and duplicate source : 1.13 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#178
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0