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] : 296af277-598b-4938-9e33-dac6377566b5 [observed]
Occultation Date + Time : 2022-07-29 at 20:29:55 UT +/- 0.02 min [1]
Object Designation : (18996) Torasan
Orbit Class : MBA
Star Designation : GDR3 4290585952637177472
Star Coordinates (ICRF) : RA = 19 45 21.0015, DE = +04 51 29.117 [2]
Star Magnitudes : G = 10.65 mag, RP = 9.94 mag, BP = 11.2 mag
Object Magnitude : V = 16.85 mag
Estimated Magnitude Drop : 6.2 mag
Estimated Max. Duration : 1.1 sec
Object Mean Diameter : 15 km (src: astorb)
Speed of the shadow : 13.3 km/s
Elongation to Moon & Sun : 144° (sunlit = 1%), Sun = 153°
Cross-track uncertainty : 4.0 mas = 6 km = 0.47 path-width (1-sig)
RUWE and duplicate source : 0.98 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#53
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0