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] : 80c80641-52a5-4d3c-a6e2-9935fbeb06a6 [observed]
Occultation Date + Time : 2021-11-18 at 04:10:03 UT +/- 0.01 min [1]
Object Designation : (735) Marghanna
Orbit Class : MBA
Star Designation : GDR3 0741118635812707584
Star Coordinates (ICRF) : RA = 10 21 46.6075, DE = +29 10 28.217 [2]
Star Magnitudes : G = 14.98 mag, RP = 14.38 mag, BP = 15.42 mag
Object Magnitude : V = 15.8 mag
Estimated Magnitude Drop : 1.2 mag
Estimated Max. Duration : 5.0 sec
Object Mean Diameter : 74 km (src: astorb)
Speed of the shadow : 15.0 km/s
Elongation to Moon & Sun : 103° (sunlit = 99%), Sun = 90°
Cross-track uncertainty : 1.7 mas = 3 km = 0.05 path-width (1-sig)
RUWE and duplicate source : 1.1 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#64
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0