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] : b0d4e7e4-9c35-4efc-9a26-7e6ee45242a8 [observed]
Occultation Date + Time : 2022-03-27 at 21:41:00 UT +/- 0.01 min [1]
Object Designation : (2681) Ostrovskij
Orbit Class : MBA
Star Designation : GDR3 3419701889342646016
Star Coordinates (ICRF) : RA = 04 56 50.4281, DE = +24 41 52.906 [2]
Star Magnitudes : G = 12.27 mag, RP = 11.36 mag, BP = 13.13 mag
Object Magnitude : V = 17.32 mag
Estimated Magnitude Drop : 5.1 mag
Estimated Max. Duration : 0.4 sec
Object Mean Diameter : 11 km (src: astorb)
Speed of the shadow : 29.1 km/s
Elongation to Moon & Sun : 124° (sunlit = 21%), Sun = 68°
Cross-track uncertainty : 1.7 mas = 2 km = 0.28 path-width (1-sig)
RUWE and duplicate source : 1.55 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#58
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0