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] : a326925d-ebfa-4ce8-882b-cc80b0489c9a [observed]
Occultation Date + Time : 2022-04-07 at 21:31:05 UT +/- 0.01 min [1]
Object Designation : (4144) Vladvasil'ev
Orbit Class : MBA
Star Designation : GDR3 3347850281936696576
Star Coordinates (ICRF) : RA = 05 42 03.2116, DE = +15 21 11.082 [2]
Star Magnitudes : G = 14.34 mag, RP = 13.66 mag, BP = 14.82 mag
Object Magnitude : V = 18.02 mag
Estimated Magnitude Drop : 3.7 mag
Estimated Max. Duration : 0.9 sec
Object Mean Diameter : 25 km (src: astorb)
Speed of the shadow : 27.5 km/s
Elongation to Moon & Sun : 14° (sunlit = 37%), Sun = 68°
Cross-track uncertainty : 0.7 mas = 1 km = 0.07 path-width (1-sig)
RUWE and duplicate source : 1.79 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#54
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0