UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km |
More
2 observations found in db: euraster
Available (probably) matching predictions (click on the link to switch):
Occultation UUID [and DB] : fe912b5b-3b99-43cb-af19-8f245eba3cad [observed]
Occultation Date + Time : 2012-11-11 at 02:04:36 UT +/- 0.01 min [1]
Object Designation : (312) Pierretta
Orbit Class : MBA
Star Designation : GDR3 0092252809437204480
Star Coordinates (ICRF) : RA = 01 53 38.9904, DE = +19 05 42.232 [2]
Star Magnitudes : G = 10.53 mag, RP = 9.83 mag, BP = 11.09 mag
Object Magnitude : V = 13.46 mag
Estimated Magnitude Drop : 3.0 mag
Estimated Max. Duration : 3.9 sec
Object Mean Diameter : 50 km (src: astorb)
Speed of the shadow : 12.8 km/s
Elongation to Moon & Sun : 157° (sunlit = 11%), Sun = 163°
Cross-track uncertainty : 2.7 mas = 4 km = 0.08 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