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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2 observations found in db: euraster
Available (probably) matching predictions (click on the link to switch):
Occultation UUID [and DB] : a3f69216-8de6-4794-9959-32d328aa47c9 [observed]
Occultation Date + Time : 2020-01-02 at 18:17:33 UT +/- 0.01 min [1]
Object Designation : (1512) Oulu
Orbit Class : MBA
Star Designation : GDR3 2602023644708677376
Star Coordinates (ICRF) : RA = 22 26 02.3707, DE = -12 24 12.171 [2]
Star Magnitudes : G = 11.65 mag, RP = 11.19 mag, BP = 11.95 mag
Object Magnitude : V = 16.51 mag
Estimated Magnitude Drop : 4.9 mag
Estimated Max. Duration : 2.5 sec
Object Mean Diameter : 83 km (src: astorb)
Speed of the shadow : 33.6 km/s
Elongation to Moon & Sun : 33° (sunlit = 46%), Sun = 52°
Cross-track uncertainty : 2.7 mas = 8 km = 0.11 path-width (1-sig)
RUWE and duplicate source : 0.98 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#61
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0