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] : 7be5f04e-6a2e-4e3e-ae91-104dcd54174e [observed]
Occultation Date + Time : 2019-12-01 at 19:46:07 UT +/- 0.02 min [1]
Object Designation : (4288) Tokyotech
Orbit Class : MBA
Star Designation : GDR3 0087829920835437184
Star Coordinates (ICRF) : RA = 02 38 18.3588, DE = +19 42 51.140 [2]
Star Magnitudes : G = 11.19 mag, RP = 10.46 mag, BP = 11.78 mag
Object Magnitude : V = 14.79 mag
Estimated Magnitude Drop : 3.6 mag
Estimated Max. Duration : 2.0 sec
Object Mean Diameter : 16 km (src: astorb)
Speed of the shadow : 7.9 km/s
Elongation to Moon & Sun : 91° (sunlit = 27%), Sun = 154°
Cross-track uncertainty : 4.7 mas = 4 km = 0.29 path-width (1-sig)
RUWE and duplicate source : 0.89 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#55
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0