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: sodis
Available (probably) matching predictions (click on the link to switch):
Occultation UUID [and DB] : 9bc7078b-984d-46d9-9f10-8ff057410df7 [observed]
Occultation Date + Time : 2023-12-30 at 19:41:54 UT +/- 0.02 min [1]
Object Designation : (18744) 1999 AU
Orbit Class : MBA
Star Designation : GDR3 0187110525131943680
Star Coordinates (ICRF) : RA = 05 16 25.4770, DE = +36 48 53.291 [2]
Star Magnitudes : G = 16.22 mag, RP = 15.51 mag, BP = 16.53 mag
Object Magnitude : V = 17.7 mag
Estimated Magnitude Drop : 1.7 mag
Estimated Max. Duration : 0.4 sec
Object Mean Diameter : 6 km (src: astorb)
Speed of the shadow : 12.9 km/s
Elongation to Moon & Sun : 61° (sunlit = 87%), Sun = 158°
Cross-track uncertainty : 1.8 mas = 2 km = 0.39 path-width (1-sig)
RUWE and duplicate source : 1.35 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