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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14 observations found in db: euraster
Available (probably) matching predictions (click on the link to switch):
Q: model quality flag (0-5, 5=highest) | P: rotation period | λ,β: ecl. lon. and lat. of spin axis (J2000) | JD: initial time (epoch) | φ0: initial rotation angle for JD0
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Map with groundtrack and observer stations
Event Details
Occultation UUID [and DB] : b79c75e0-f06f-472f-8da0-e077e4cd5666 [observed]
Occultation Date + Time : 2003-03-13 at 19:28:54 UT +/- 0.05 min [1]
Object Designation : (258) Tyche
Star Designation : GDR3 3129409001176285952
Star Coordinates (ICRF) : RA = 06 50 28.4665, DE = +05 33 03.705 [2]
Star Magnitudes : G = 9.5 mag, RP = 9.13 mag, BP = 9.7 mag
Object Magnitude : V = 13.27 mag
Estimated Magnitude Drop : 3.8 mag
Estimated Max. Duration : 6.9 sec
Object Mean Diameter : 65 km (src: astorb+H10)
Speed of the shadow : 9.3 km/s
Elongation to Moon & Sun : 23° (sunlit = 74%), Sun = 109°
Cross-track uncertainty : 2.3 mas = 3 km = 0.06 path-width (1-sig)
RUWE and duplicate source : 0.9 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#87 (23-01-08)
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
