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] : fbf98f2f-0362-4751-81de-fd4b5db268a8 [observed]
Occultation Date + Time : 2022-03-21 at 20:48:54 UT +/- 0.01 min [1]
Object Designation : (1397) Umtata
Orbit Class : MBA
Star Designation : GDR3 3429540358047755136
Star Coordinates (ICRF) : RA = 06 01 52.7407, DE = +25 17 06.826 [2]
Star Magnitudes : G = 12.54 mag, RP = 11.67 mag, BP = 13.33 mag
Object Magnitude : V = 17.54 mag
Estimated Magnitude Drop : 5.0 mag
Estimated Max. Duration : 1.3 sec
Object Mean Diameter : 18 km (src: astorb)
Speed of the shadow : 13.0 km/s
Elongation to Moon & Sun : 137° (sunlit = 85%), Sun = 89°
Cross-track uncertainty : 0.3 mas = 0 km = 0.04 path-width (1-sig)
RUWE and duplicate source : 1.01 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#59
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0