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] : 8e5c52af-a2f2-4759-a15d-ec278b62a1da [observed]
Occultation Date + Time : 2021-01-22 at 00:54:12 UT +/- 0.01 min [1]
Object Designation : (1076) Viola
Orbit Class : MBA
Star Designation : GDR3 0668449472793407744
Star Coordinates (ICRF) : RA = 07 54 18.3863, DE = +18 16 42.562 [2]
Star Magnitudes : G = 14.19 mag, RP = 13.7 mag, BP = 14.51 mag
Object Magnitude : V = 14.52 mag
Estimated Magnitude Drop : 0.9 mag
Estimated Max. Duration : 2.6 sec
Object Mean Diameter : 23 km (src: astorb)
Speed of the shadow : 8.7 km/s
Elongation to Moon & Sun : 72° (sunlit = 61%), Sun = 174°
Cross-track uncertainty : 1.3 mas = 1 km = 0.05 path-width (1-sig)
RUWE and duplicate source : 1.04 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#63
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0