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] : 71f033be-3241-4df3-8450-722cb88e28e5 [observed]
Occultation Date + Time : 2023-10-09 at 02:11:07 UT +/- 0.05 min [1]
Object Designation : (28938) 2000 SR311
Orbit Class : MBA
Star Designation : GDR3 0332639586375849728
Star Coordinates (ICRF) : RA = 02 07 34.4002, DE = +39 19 24.351 [2]
Star Magnitudes : G = 12.92 mag, RP = 12.42 mag, BP = 13.25 mag
Object Magnitude : V = 16.84 mag
Estimated Magnitude Drop : 4.0 mag
Estimated Max. Duration : 1.3 sec
Object Mean Diameter : 12 km (src: astorb)
Speed of the shadow : 9.1 km/s
Elongation to Moon & Sun : 88° (sunlit = 27%), Sun = 143°
Cross-track uncertainty : 2.3 mas = 3 km = 0.28 path-width (1-sig)
RUWE and duplicate source : 1.01 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#45
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0