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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3 observations found in db: sodis
Available (probably) matching predictions (click on the link to switch):
Q: model quality flag (0-5, 5=highest) | P: rotation period | λ,β: ecl. lon. and lat. of spin axis (J2000) | JD: initial time (epoch) | φ0: initial rotation angle for JD0
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Map with groundtrack and observer stations
Event Details
Occultation UUID [and DB] : d93128b0-89dd-11ef-78cd-03e4bd752164 [asteroids]
Occultation Date + Time : 2025-01-02 at 02:39:25 UT +/- 0.0 min [1]
Object Designation : (4498) Shinkoyama
Orbit Class : MBA
Star Designation : GDR3 3426520068324478848
Star Coordinates (ICRF) : RA = 06 02 02.3935, DE = +24 55 24.975 [2]
Star Magnitudes : G = 12.33 mag, RP = 11.39 mag, BP = 13.24 mag
Object Magnitude : V = 16.2 mag
Estimated Magnitude Drop : 3.9 mag
Estimated Max. Duration : 1.1 sec
Object Mean Diameter : 14 km (src: astorb)
Speed of the shadow : 13.1 km/s
Elongation to Moon & Sun : 141° (sunlit = 5%), Sun = 168°
Cross-track uncertainty : 0.3 mas = 0 km = 0.03 path-width (1-sig)
RUWE and duplicate source : 1.03 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
