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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4 observations found in db: euraster
Available (probably) matching predictions (click on the link to switch):
Occultation UUID [and DB] : 9a256202-48a8-4686-ba52-b099f8da29f6 [observed]
Occultation Date + Time : 2021-07-09 at 21:09:44 UT +/- 0.02 min [1]
Object Designation : (8828) 1988 RC7
Orbit Class : MBA
Star Designation : GDR3 4355494384614953088
Star Coordinates (ICRF) : RA = 16 16 47.3926, DE = -05 23 55.938 [2]
Star Magnitudes : G = 13.54 mag, RP = 12.92 mag, BP = 13.99 mag
Object Magnitude : V = 17.63 mag
Estimated Magnitude Drop : 4.1 mag
Estimated Max. Duration : 1.1 sec
Object Mean Diameter : 7 km (src: astorb)
Speed of the shadow : 6.5 km/s
Elongation to Moon & Sun : 134° (sunlit = 0%), Sun = 133°
Cross-track uncertainty : 0.7 mas = 0 km = 0.13 path-width (1-sig)
RUWE and duplicate source : 1.0 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#56
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0