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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4 observations found in db: euraster
Available (probably) matching predictions (click on the link to switch):
Occultation UUID [and DB] : 4af9e30f-ea03-41c5-8e3e-a268c8908811 [observed]
Occultation Date + Time : 2021-12-02 at 22:52:55 UT +/- 0.07 min [1]
Object Designation : (141) Lumen
Orbit Class : MBA
Star Designation : GDR3 2806035244103516032
Star Coordinates (ICRF) : RA = 00 32 02.6396, DE = +22 56 50.568 [2]
Star Magnitudes : G = 11.89 mag, RP = 11.42 mag, BP = 12.2 mag
Object Magnitude : V = 11.9 mag
Estimated Magnitude Drop : 0.8 mag
Estimated Max. Duration : 23.3 sec
Object Mean Diameter : 131 km (src: astorb)
Speed of the shadow : 5.6 km/s
Elongation to Moon & Sun : 141° (sunlit = 3%), Sun = 124°
Cross-track uncertainty : 14.7 mas = 15 km = 0.11 path-width (1-sig)
RUWE and duplicate source : 1.13 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#93
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0