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] : b1231dbb-be90-41a0-bbb4-7e57f048a914 [observed]
Occultation Date + Time : 2019-02-16 at 04:33:52 UT +/- 0.04 min [1]
Object Designation : (10812) Grotlingbo
Orbit Class : MBA
Star Designation : GDR3 3863096720795633792
Star Coordinates (ICRF) : RA = 10 24 44.2244, DE = +06 57 49.312 [2]
Star Magnitudes : G = 12.05 mag, RP = 11.35 mag, BP = 12.59 mag
Object Magnitude : V = 17.62 mag
Estimated Magnitude Drop : 5.6 mag
Estimated Max. Duration : 0.6 sec
Object Mean Diameter : 7 km (src: astorb)
Speed of the shadow : 12.1 km/s
Elongation to Moon & Sun : 57° (sunlit = 83%), Sun = 171°
Cross-track uncertainty : 6.7 mas = 9 km = 1.41 path-width (1-sig)
RUWE and duplicate source : 1.72 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#45
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0