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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3 observations found in db: euraster
Available (probably) matching predictions (click on the link to switch):
Occultation UUID [and DB] : b376551b-752a-4294-904c-e0c437ab21ba [observed]
Occultation Date + Time : 2018-08-03 at 21:41:58 UT +/- 0.01 min [1]
Object Designation : (2326) Tololo
Orbit Class : MBA
Star Designation : GDR3 2667597079375627904
Star Coordinates (ICRF) : RA = 21 36 46.3216, DE = -07 09 59.731 [2]
Star Magnitudes : G = 10.96 mag, RP = 10.25 mag, BP = 11.51 mag
Object Magnitude : V = 15.0 mag
Estimated Magnitude Drop : 4.1 mag
Estimated Max. Duration : 3.4 sec
Object Mean Diameter : 41 km (src: astorb)
Speed of the shadow : 12.1 km/s
Elongation to Moon & Sun : 68° (sunlit = 59%), Sun = 166°
Cross-track uncertainty : 0.7 mas = 0 km = 0.02 path-width (1-sig)
RUWE and duplicate source : 1.09 mas, dup.src = 1 (0:false, 1:true)
Ephemeris Reference : JPL#64
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0