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] : 9a026613-d673-4227-9b83-bfb534e88578 [observed]
Occultation Date + Time : 2022-08-04 at 20:15:21 UT +/- 0.07 min [1]
Object Designation : (786) Bredichina
Orbit Class : MBA
Star Designation : GDR3 4062470275283575680
Star Coordinates (ICRF) : RA = 18 02 20.1014, DE = -28 37 28.224 [2]
Star Magnitudes : G = 13.29 mag, RP = 12.82 mag, BP = 13.55 mag
Object Magnitude : V = 13.57 mag
Estimated Magnitude Drop : 0.9 mag
Estimated Max. Duration : 18.1 sec
Object Mean Diameter : 92 km (src: astorb)
Speed of the shadow : 5.1 km/s
Elongation to Moon & Sun : 56° (sunlit = 43%), Sun = 138°
Cross-track uncertainty : 3.0 mas = 4 km = 0.05 path-width (1-sig)
RUWE and duplicate source : 0.8 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#63
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0