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] : 59f85bbb-4e09-4191-8975-b227ef6048ff [observed]
Occultation Date + Time : 2023-08-23 at 21:16:18 UT +/- 0.04 min [1]
Object Designation : (6421) 1993 XS1
Orbit Class : MBA
Star Designation : GDR3 6867368280689042176
Star Coordinates (ICRF) : RA = 19 57 33.7082, DE = -18 51 22.837 [2]
Star Magnitudes : G = 11.14 mag, RP = 10.57 mag, BP = 11.53 mag
Object Magnitude : V = 17.13 mag
Estimated Magnitude Drop : 6.0 mag
Estimated Max. Duration : 0.9 sec
Object Mean Diameter : 6.9 km (src: astorb)
Speed of the shadow : 7.4 km/s
Elongation to Moon & Sun : 64° (sunlit = 45%), Sun = 147°
Cross-track uncertainty : 1.3 mas = 1 km = 0.21 path-width (1-sig)
RUWE and duplicate source : 1.36 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#54
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0