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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2 observations found in db: sodis
Available (probably) matching predictions (click on the link to switch):
Occultation UUID [and DB] : 7686aa50-c358-11ef-5276-ade4e7ffb58c [observed]
Occultation Date + Time : 2024-10-21 at 18:04:05 UT +/- 0.0 min [1]
Object Designation : (168) Sibylla
Orbit Class : MBA
Star Designation : GDR3 4086673412376547456
Star Coordinates (ICRF) : RA = 18 57 31.7689, DE = -18 15 15.721 [2]
Star Magnitudes : G = 15.02 mag, RP = 14.34 mag, BP = 15.52 mag
Object Magnitude : V = 14.46 mag
Estimated Magnitude Drop : 0.5 mag
Estimated Max. Duration : 6.3 sec
Object Mean Diameter : 148 km (src: astorb)
Speed of the shadow : 23.6 km/s
Elongation to Moon & Sun : 161° (sunlit = 76%), Sun = 75°
Cross-track uncertainty : 0.8 mas = 1 km = 0.01 path-width (1-sig)
RUWE and duplicate source : 1.01 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#78
Object is a Gaia mass determination target !
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0