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] : a65ec011-bfe7-4e0c-9471-9430a2940f9e [observed]
Occultation Date + Time : 2022-08-03 at 01:34:06 UT +/- 0.02 min [1]
Object Designation : (2258) Viipuri
Orbit Class : MBA
Star Designation : GDR3 4075334900557458688
Star Coordinates (ICRF) : RA = 18 56 14.7442, DE = -23 23 05.918 [2]
Star Magnitudes : G = 13.26 mag, RP = 12.33 mag, BP = 14.16 mag
Object Magnitude : V = 16.5 mag
Estimated Magnitude Drop : 3.3 mag
Estimated Max. Duration : 2.5 sec
Object Mean Diameter : 24 km (src: astorb)
Speed of the shadow : 9.4 km/s
Elongation to Moon & Sun : 92° (sunlit = 26%), Sun = 152°
Cross-track uncertainty : 1.0 mas = 1 km = 0.06 path-width (1-sig)
RUWE and duplicate source : 1.08 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