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] : ac6af63c-95d5-4daf-9a76-d8795b16eb59 [observed]
Occultation Date + Time : 2020-08-13 at 00:25:49 UT +/- 0.05 min [1]
Object Designation : (121225) 1999 RX27
Orbit Class : MBA
Star Designation : GDR3 4250425981177919616
Star Coordinates (ICRF) : RA = 20 13 17.1210, DE = +06 56 23.034 [2]
Star Magnitudes : G = 12.84 mag, RP = 12.02 mag, BP = 13.57 mag
Object Magnitude : V = 18.04 mag
Estimated Magnitude Drop : 5.2 mag
Estimated Max. Duration : 0.5 sec
Object Mean Diameter : 4 km (src: astorb)
Speed of the shadow : 8.4 km/s
Elongation to Moon & Sun : 116° (sunlit = 38%), Sun = 151°
Cross-track uncertainty : 4.0 mas = 4 km = 1.04 path-width (1-sig)
RUWE and duplicate source : 1.05 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#35
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0