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] : e4679704-0ce6-4dde-a0f8-fecb60a2cbc0 [observed]
Occultation Date + Time : 2020-12-26 at 23:20:33 UT +/- 0.02 min [1]
Object Designation : (49228) 1998 SK137
Orbit Class : MBA
Star Designation : GDR3 3411698789019372544
Star Coordinates (ICRF) : RA = 04 54 36.6130, DE = +20 43 39.055 [2]
Star Magnitudes : G = 13.6 mag, RP = 13.0 mag, BP = 14.03 mag
Object Magnitude : V = 18.91 mag
Estimated Magnitude Drop : 5.3 mag
Estimated Max. Duration : 0.3 sec
Object Mean Diameter : 4 km (src: astorb)
Speed of the shadow : 11.8 km/s
Elongation to Moon & Sun : 15° (sunlit = 91%), Sun = 159°
Cross-track uncertainty : 3.7 mas = 5 km = 1.31 path-width (1-sig)
RUWE and duplicate source : 1.09 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#43
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0