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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3 observations found in db: euraster
Available (probably) matching predictions (click on the link to switch):
Occultation UUID [and DB] : bf7332eb-eba1-48e5-a6fe-5bff14722b66 [observed]
Occultation Date + Time : 2021-08-25 at 20:42:24 UT +/- 0.02 min [1]
Object Designation : (3141) Buchar
Orbit Class : MBA
Star Designation : GDR3 6881816344511485824
Star Coordinates (ICRF) : RA = 20 57 11.6542, DE = -18 16 59.312 [2]
Star Magnitudes : G = 11.05 mag, RP = 10.2 mag, BP = 11.81 mag
Object Magnitude : V = 16.34 mag
Estimated Magnitude Drop : 5.3 mag
Estimated Max. Duration : 2.8 sec
Object Mean Diameter : 36 km (src: astorb)
Speed of the shadow : 13.0 km/s
Elongation to Moon & Sun : 62° (sunlit = 88%), Sun = 159°
Cross-track uncertainty : 5.0 mas = 9 km = 0.27 path-width (1-sig)
RUWE and duplicate source : 1.23 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#47
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0