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: euraster
Available (probably) matching predictions (click on the link to switch):
Occultation UUID [and DB] : 1b37768d-9505-46ca-b03a-90f8ee7d3387 [observed]
Occultation Date + Time : 2022-05-21 at 23:42:42 UT +/- 0.04 min [1]
Object Designation : (8354) 1989 RF
Orbit Class : MBA
Star Designation : GDR3 3630266719773877120
Star Coordinates (ICRF) : RA = 13 26 03.3366, DE = -08 24 58.326 [2]
Star Magnitudes : G = 13.4 mag, RP = 12.91 mag, BP = 13.73 mag
Object Magnitude : V = 17.8 mag
Estimated Magnitude Drop : 4.4 mag
Estimated Max. Duration : 1.2 sec
Object Mean Diameter : 10 km (src: astorb)
Speed of the shadow : 8.3 km/s
Elongation to Moon & Sun : 118° (sunlit = 59%), Sun = 142°
Cross-track uncertainty : 2.7 mas = 4 km = 0.47 path-width (1-sig)
RUWE and duplicate source : 0.99 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