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: sodis
Available (probably) matching predictions (click on the link to switch):
Occultation UUID [and DB] : a9e48531-f984-4268-9aef-73b2642de590 [observed]
Occultation Date + Time : 2023-09-25 at 23:42:59 UT +/- 0.18 min [1]
Object Designation : (35891) 1999 JS81
Orbit Class : MBA
Star Designation : GDR3 3288325372406755072
Star Coordinates (ICRF) : RA = 04 58 39.2719, DE = +06 59 53.973 [2]
Star Magnitudes : G = 16.44 mag, RP = 15.61 mag, BP = 17.14 mag
Object Magnitude : V = 18.01 mag
Estimated Magnitude Drop : 1.8 mag
Estimated Max. Duration : 0.5 sec
Object Mean Diameter : 5 km (src: astorb)
Speed of the shadow : 10.1 km/s
Elongation to Moon & Sun : 117° (sunlit = 84%), Sun = 108°
Cross-track uncertainty : 14.4 mas = 15 km = 3.41 path-width (1-sig)
RUWE and duplicate source : 1.07 mas, dup.src = 1 (0:false, 1:true)
Ephemeris Reference : JPL#46
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0