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: euraster
Available (probably) matching predictions (click on the link to switch):
Occultation UUID [and DB] : f7866616-9555-48f3-b962-3a001dfe84d5 [observed]
Occultation Date + Time : 2021-05-02 at 02:12:52 UT +/- 0.03 min [1]
Object Designation : (4687) Brunsandrej
Orbit Class : MBA
Star Designation : GDR3 4110989451303009280
Star Coordinates (ICRF) : RA = 17 20 09.4723, DE = -24 38 15.150 [2]
Star Magnitudes : G = 11.86 mag, RP = 11.26 mag, BP = 12.3 mag
Object Magnitude : V = 18.41 mag
Estimated Magnitude Drop : 6.5 mag
Estimated Max. Duration : 1.1 sec
Object Mean Diameter : 9 km (src: astorb)
Speed of the shadow : 8.4 km/s
Elongation to Moon & Sun : 29° (sunlit = 69%), Sun = 141°
Cross-track uncertainty : 1.7 mas = 3 km = 0.36 path-width (1-sig)
RUWE and duplicate source : 1.0 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#48
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0