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] : c502f151-efc4-4a37-98ac-1ee2802b5462 [observed]
Occultation Date + Time : 2020-04-11 at 20:07:39 UT +/- 0.13 min [1]
Object Designation : (84178) 2002 RO105
Orbit Class : MBA
Star Designation : GDR3 3882777777069733120
Star Coordinates (ICRF) : RA = 10 35 09.3395, DE = +11 36 21.087 [2]
Star Magnitudes : G = 11.36 mag, RP = 10.86 mag, BP = 11.68 mag
Object Magnitude : V = 20.35 mag
Estimated Magnitude Drop : 9.0 mag
Estimated Max. Duration : 0.7 sec
Object Mean Diameter : 3 km (src: astorb)
Speed of the shadow : 5.1 km/s
Elongation to Moon & Sun : 98° (sunlit = 81%), Sun = 134°
Cross-track uncertainty : 16.7 mas = 29 km = 9.08 path-width (1-sig)
RUWE and duplicate source : 2.16 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#28
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0