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] : 8162f841-dc82-4191-a9fc-c8baf69f2b33 [observed]
Occultation Date + Time : 2021-04-13 at 01:05:43 UT +/- 0.02 min [1]
Object Designation : (2258) Viipuri
Orbit Class : MBA
Star Designation : GDR3 3596895820317751296
Star Coordinates (ICRF) : RA = 12 20 46.5698, DE = -04 35 36.814 [2]
Star Magnitudes : G = 14.12 mag, RP = 13.63 mag, BP = 14.44 mag
Object Magnitude : V = 15.73 mag
Estimated Magnitude Drop : 1.8 mag
Estimated Max. Duration : 2.4 sec
Object Mean Diameter : 24 km (src: astorb)
Speed of the shadow : 9.9 km/s
Elongation to Moon & Sun : 152° (sunlit = 1%), Sun = 163°
Cross-track uncertainty : 3.0 mas = 3 km = 0.15 path-width (1-sig)
RUWE and duplicate source : 0.97 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#60
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0