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] : 71079d7e-84d5-4403-ba3e-9a08f81e8ba9 [observed]
Occultation Date + Time : 2021-12-13 at 18:17:23 UT +/- 0.01 min [1]
Object Designation : (308) Polyxo
Orbit Class : MBA
Star Designation : GDR3 3310006367316271360
Star Coordinates (ICRF) : RA = 04 40 58.2420, DE = +15 47 09.061 [2]
Star Magnitudes : G = 13.24 mag, RP = 12.18 mag, BP = 14.42 mag
Object Magnitude : V = 12.18 mag
Estimated Magnitude Drop : 0.4 mag
Estimated Max. Duration : 11.5 sec
Object Mean Diameter : 141 km (src: astorb)
Speed of the shadow : 12.3 km/s
Elongation to Moon & Sun : 48° (sunlit = 76%), Sun = 167°
Cross-track uncertainty : 1.3 mas = 1 km = 0.01 path-width (1-sig)
RUWE and duplicate source : 1.07 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#115
Object is a Gaia mass determination target !
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0