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] : 2414d1fc-b41a-4fc2-9885-c534955dfc37 [observed]
Occultation Date + Time : 2017-01-28 at 01:32:54 UT +/- 0.0 min [1]
Object Designation : (21831) 1999 TX93
Orbit Class : MBA
Star Designation : GDR3 0002003245761990656
Star Coordinates (ICRF) : RA = 02 56 47.2499, DE = +03 29 51.773 [2]
Star Magnitudes : G = 11.17 mag, RP = 10.68 mag, BP = 11.48 mag
Object Magnitude : V = 17.71 mag
Estimated Magnitude Drop : 6.6 mag
Estimated Max. Duration : 0.6 sec
Object Mean Diameter : 8 km (src: astorb)
Speed of the shadow : 14.5 km/s
Elongation to Moon & Sun : 94° (sunlit = 0%), Sun = 94°
Cross-track uncertainty : 0.7 mas = 1 km = 0.13 path-width (1-sig)
RUWE and duplicate source : 2.24 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