UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km |
More
1 observation found in db: euraster
Available (probably) matching predictions (click on the link to switch):
Occultation UUID [and DB] : 9f58257c-bb03-422b-a43a-afab3a1ca907 [observed]
Occultation Date + Time : 2019-09-09 at 01:42:43 UT +/- 0.0 min [1]
Object Designation : (81) Terpsichore
Orbit Class : MBA
Star Designation : GDR3 3434747164078322048
Star Coordinates (ICRF) : RA = 06 43 51.3780, DE = +29 58 16.737 [2]
Star Magnitudes : G = 12.88 mag, RP = 12.22 mag, BP = 13.39 mag
Object Magnitude : V = 13.61 mag
Estimated Magnitude Drop : 1.2 mag
Estimated Max. Duration : 3.9 sec
Object Mean Diameter : 119 km (src: astorb)
Speed of the shadow : 30.7 km/s
Elongation to Moon & Sun : 168° (sunlit = 78%), Sun = 67°
Cross-track uncertainty : 0.7 mas = 1 km = 0.01 path-width (1-sig)
RUWE and duplicate source : 0.98 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#78
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0