UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km |
More
2 observations found in db: sodis
Available (probably) matching predictions (click on the link to switch):
Occultation UUID [and DB] : c16fa41b-4b8c-4192-bf40-a9c22f174e80 [observed]
Occultation Date + Time : 2023-09-14 at 22:13:43 UT +/- 0.03 min [1]
Object Designation : (69997) 1998 WX40
Orbit Class : MBA
Star Designation : GDR3 2332837432720349440
Star Coordinates (ICRF) : RA = 23 37 17.0478, DE = -25 02 36.716 [2]
Star Magnitudes : G = 16.28 mag, RP = 15.17 mag, BP = 16.9 mag
Object Magnitude : V = 18.58 mag
Estimated Magnitude Drop : 2.4 mag
Estimated Max. Duration : 0.4 sec
Object Mean Diameter : 4 km (src: astorb)
Speed of the shadow : 11.8 km/s
Elongation to Moon & Sun : 161° (sunlit = 0%), Sun = 158°
Cross-track uncertainty : 11.4 mas = 14 km = 3.53 path-width (1-sig)
RUWE and duplicate source : 2.71 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#37
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0