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] : 4123b5c7-401b-4c1b-a03e-1842e9f7262a [observed]
Occultation Date + Time : 2018-12-18 at 04:21:46 UT +/- 0.0 min [1]
Object Designation : (344) Desiderata
Orbit Class : MBA
Star Designation : GDR3 0190738333683048320
Star Coordinates (ICRF) : RA = 05 33 37.4967, DE = +39 16 13.068 [2]
Star Magnitudes : G = 10.62 mag, RP = 10.34 mag, BP = 10.77 mag
Object Magnitude : V = 13.25 mag
Estimated Magnitude Drop : 2.7 mag
Estimated Max. Duration : 7.7 sec
Object Mean Diameter : 132 km (src: astorb)
Speed of the shadow : 17.3 km/s
Elongation to Moon & Sun : 61° (sunlit = 76%), Sun = 164°
Cross-track uncertainty : 1.7 mas = 2 km = 0.02 path-width (1-sig)
RUWE and duplicate source : 1.58 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#113
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0