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: euraster
Available (probably) matching predictions (click on the link to switch):
Occultation UUID [and DB] : 297905c3-d0e5-46c2-9fb4-e65b1f659533 [observed]
Occultation Date + Time : 2019-02-12 at 22:05:59 UT +/- 0.03 min [1]
Object Designation : (15454) 1998 YB3
Orbit Class : MBA
Star Designation : GDR3 3756961520497307648
Star Coordinates (ICRF) : RA = 10 56 12.6527, DE = -11 48 04.474 [2]
Star Magnitudes : G = 13.97 mag, RP = 13.47 mag, BP = 14.31 mag
Object Magnitude : V = 16.85 mag
Estimated Magnitude Drop : 3.0 mag
Estimated Max. Duration : 0.9 sec
Object Mean Diameter : 8 km (src: astorb)
Speed of the shadow : 9.6 km/s
Elongation to Moon & Sun : 114° (sunlit = 50%), Sun = 149°
Cross-track uncertainty : 9.0 mas = 10 km = 1.28 path-width (1-sig)
RUWE and duplicate source : 1.09 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#50
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0