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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3 observations found in db: euraster
Available (probably) matching predictions (click on the link to switch):
Occultation UUID [and DB] : fd46e161-5b1e-4ec1-9c7e-8807eb2b3b6f [observed]
Occultation Date + Time : 2020-11-20 at 19:06:13 UT +/- 0.04 min [1]
Object Designation : (36230) 1999 UD15
Orbit Class : MBA
Star Designation : GDR3 2410413746200989952
Star Coordinates (ICRF) : RA = 23 09 55.6636, DE = -14 20 48.478 [2]
Star Magnitudes : G = 11.56 mag, RP = 10.67 mag, BP = 12.4 mag
Object Magnitude : V = 18.02 mag
Estimated Magnitude Drop : 6.5 mag
Estimated Max. Duration : 0.8 sec
Object Mean Diameter : 9 km (src: astorb)
Speed of the shadow : 11.8 km/s
Elongation to Moon & Sun : 30° (sunlit = 36%), Sun = 104°
Cross-track uncertainty : 5.0 mas = 8 km = 0.96 path-width (1-sig)
RUWE and duplicate source : 0.88 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#49
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0