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] : 49cbb0b1-a81e-44ba-a503-c611a0d5398f [observed]
Occultation Date + Time : 2021-09-08 at 19:15:51 UT +/- 0.02 min [1]
Object Designation : (8512) 1991 PC11
Orbit Class : MBA
Star Designation : GDR3 4093109605533514240
Star Coordinates (ICRF) : RA = 18 29 12.2840, DE = -18 59 08.563 [2]
Star Magnitudes : G = 16.99 mag, RP = 16.02 mag, BP = 17.82 mag
Object Magnitude : V = 17.95 mag
Estimated Magnitude Drop : 1.3 mag
Estimated Max. Duration : 1.2 sec
Object Mean Diameter : 8 km (src: astorb)
Speed of the shadow : 6.7 km/s
Elongation to Moon & Sun : 87° (sunlit = 4%), Sun = 110°
Cross-track uncertainty : 1.4 mas = 2 km = 0.27 path-width (1-sig)
RUWE and duplicate source : 1.02 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#51
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0