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] : 7ca50ce6-68a0-4d58-97f8-06ec7f0c9189 [observed]
Occultation Date + Time : 2021-12-22 at 18:50:40 UT +/- 0.01 min [1]
Object Designation : (1065) Amundsenia
Orbit Class : MBA
Star Designation : GDR3 0890935268419320448
Star Coordinates (ICRF) : RA = 07 00 20.4888, DE = +33 00 19.190 [2]
Star Magnitudes : G = 13.36 mag, RP = 12.7 mag, BP = 13.86 mag
Object Magnitude : V = 16.03 mag
Estimated Magnitude Drop : 2.8 mag
Estimated Max. Duration : 0.9 sec
Object Mean Diameter : 13 km (src: astorb)
Speed of the shadow : 14.0 km/s
Elongation to Moon & Sun : 28° (sunlit = 89%), Sun = 165°
Cross-track uncertainty : 2.3 mas = 2 km = 0.23 path-width (1-sig)
RUWE and duplicate source : 1.07 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#61
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0