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] : 5833c4a0-c337-11ef-5276-2067de7f461f [observed]
Occultation Date + Time : 2023-07-07 at 21:12:42 UT +/- 0.0 min [1]
Object Designation : (31829) 1999 XT12
Orbit Class : MBA
Star Designation : GDR3 4100408163712705408
Star Coordinates (ICRF) : RA = 18 44 38.5124, DE = -15 23 46.530 [2]
Star Magnitudes : G = 13.42 mag, RP = 11.98 mag, BP = 16.02 mag
Object Magnitude : V = 17.62 mag
Estimated Magnitude Drop : 4.2 mag
Estimated Max. Duration : 0.5 sec
Object Mean Diameter : 6.8 km (src: astorb)
Speed of the shadow : 12.5 km/s
Elongation to Moon & Sun : 67° (sunlit = 74%), Sun = 171°
Cross-track uncertainty : 0.4 mas = 0 km = 0.08 path-width (1-sig)
RUWE and duplicate source : 0.86 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#55
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0