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: euraster
Available (probably) matching predictions (click on the link to switch):
Occultation UUID [and DB] : 8130f11e-d59a-4690-95f8-14bcf729d0e0 [observed]
Occultation Date + Time : 2020-09-04 at 00:35:33 UT +/- 0.01 min [1]
Object Designation : (1158) Luda
Orbit Class : MBA
Star Designation : GDR3 0198482808255498496
Star Coordinates (ICRF) : RA = 04 50 51.1849, DE = +37 03 20.974 [2]
Star Magnitudes : G = 13.89 mag, RP = 13.06 mag, BP = 14.6 mag
Object Magnitude : V = 15.57 mag
Estimated Magnitude Drop : 1.9 mag
Estimated Max. Duration : 0.9 sec
Object Mean Diameter : 19 km (src: astorb)
Speed of the shadow : 21.5 km/s
Elongation to Moon & Sun : 76° (sunlit = 97%), Sun = 86°
Cross-track uncertainty : 0.7 mas = 1 km = 0.06 path-width (1-sig)
RUWE and duplicate source : 1.0 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#60
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0