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] : d1e58d0d-fbab-4ce1-871b-5ae4ca4206f7 [observed]
Occultation Date + Time : 2023-09-21 at 23:35:10 UT +/- 0.03 min [1]
Object Designation : (19964) 1987 BX1
Orbit Class : MBA
Star Designation : GDR3 3427343636892133760
Star Coordinates (ICRF) : RA = 05 47 29.3562, DE = +22 55 20.870 [2]
Star Magnitudes : G = 7.23 mag, RP = 6.51 mag, BP = 7.8 mag
Object Magnitude : V = 18.94 mag
Estimated Magnitude Drop : 11.7 mag
Estimated Max. Duration : 0.3 sec
Object Mean Diameter : 6 km (src: astorb)
Speed of the shadow : 17.2 km/s
Elongation to Moon & Sun : 170° (sunlit = 41%), Sun = 92°
Cross-track uncertainty : 1.7 mas = 2 km = 0.50 path-width (1-sig)
RUWE and duplicate source : 0.88 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