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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1 observation found in db: euraster
Available (probably) matching predictions (click on the link to switch):
Occultation UUID [and DB] : 8c631aae-d9e8-4493-b8e3-06cd4e26dcd4 [observed]
Occultation Date + Time : 2014-12-02 at 21:32:25 UT +/- 0.01 min [1]
Object Designation : (112971) 2002 RA20
Orbit Class : MBA
Star Designation : GDR3 0236154756682327296
Star Coordinates (ICRF) : RA = 03 24 57.5447, DE = +40 50 12.328 [2]
Star Magnitudes : G = 10.1 mag, RP = 9.75 mag, BP = 10.3 mag
Object Magnitude : V = 18.14 mag
Estimated Magnitude Drop : 8.1 mag
Estimated Max. Duration : 0.5 sec
Object Mean Diameter : 5 km (src: astorb)
Speed of the shadow : 11.0 km/s
Elongation to Moon & Sun : 40° (sunlit = 85%), Sun = 156°
Cross-track uncertainty : 2.0 mas = 2 km = 0.50 path-width (1-sig)
RUWE and duplicate source : 0.96 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#35
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0