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] : 483534b7-6f63-460b-9ab3-87c4db71b605 [observed]
Occultation Date + Time : 2020-12-25 at 05:38:23 UT +/- 0.05 min [1]
Object Designation : (13687) 1997 RB7
Orbit Class : MBA
Star Designation : GDR3 3844901246465605120
Star Coordinates (ICRF) : RA = 09 25 21.2216, DE = +02 59 29.445 [2]
Star Magnitudes : G = 11.74 mag, RP = 11.19 mag, BP = 12.12 mag
Object Magnitude : V = 17.82 mag
Estimated Magnitude Drop : 6.1 mag
Estimated Max. Duration : 2.0 sec
Object Mean Diameter : 10 km (src: astorb)
Speed of the shadow : 5.0 km/s
Elongation to Moon & Sun : 103° (sunlit = 79%), Sun = 130°
Cross-track uncertainty : 2.3 mas = 3 km = 0.40 path-width (1-sig)
RUWE and duplicate source : 1.58 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#59
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0