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] : 4f4b8d45-8ab6-4f22-98f2-d95eae99db81 [observed]
Occultation Date + Time : 2021-10-20 at 18:53:00 UT +/- 0.01 min [1]
Object Designation : (738) Alagasta
Orbit Class : MBA
Star Designation : GDR3 6854362776118815232
Star Coordinates (ICRF) : RA = 20 14 35.4900, DE = -20 21 16.370 [2]
Star Magnitudes : G = 13.79 mag, RP = 13.2 mag, BP = 14.21 mag
Object Magnitude : V = 15.84 mag
Estimated Magnitude Drop : 2.2 mag
Estimated Max. Duration : 4.5 sec
Object Mean Diameter : 63 km (src: astorb)
Speed of the shadow : 14.1 km/s
Elongation to Moon & Sun : 88° (sunlit = 100%), Sun = 94°
Cross-track uncertainty : 0.7 mas = 1 km = 0.02 path-width (1-sig)
RUWE and duplicate source : 1.02 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#72
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0