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] : a5ab38f0-8839-11ef-78cd-3ba9b77ba6aa [asteroids]
Occultation Date + Time : 2025-01-29 at 21:44:45 UT +/- 0.0 min [1]
Object Designation : (2523) Ryba
Orbit Class : MBA
Star Designation : GDR3 0654044736598497152
Star Coordinates (ICRF) : RA = 08 11 13.3866, DE = +14 54 13.240 [2]
Star Magnitudes : G = 13.63 mag, RP = 13.2 mag, BP = 13.9 mag
Object Magnitude : V = 15.75 mag
Estimated Magnitude Drop : 2.3 mag
Estimated Max. Duration : 1.8 sec
Object Mean Diameter : 23.6 km (src: astorb)
Speed of the shadow : 13.2 km/s
Elongation to Moon & Sun : 164° (sunlit = 0%), Sun = 170°
Cross-track uncertainty : 0.7 mas = 1 km = 0.04 path-width (1-sig)
RUWE and duplicate source : 1.01 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#56
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
