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):
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] : 5b98343a-da06-4743-a11c-ccc70b900468 [observed]
Occultation Date + Time : 2019-07-11 at 21:41:59 UT +/- 0.01 min [1]
Object Designation : (257) Silesia
Orbit Class : MBA
Star Designation : GDR3 4050940379669459072
Star Coordinates (ICRF) : RA = 18 08 48.7422, DE = -27 56 56.036 [2]
Star Magnitudes : G = 14.45 mag, RP = 13.79 mag, BP = 14.86 mag
Object Magnitude : V = 14.75 mag
Estimated Magnitude Drop : 0.9 mag
Estimated Max. Duration : 5.7 sec
Object Mean Diameter : 73 km (src: astorb)
Speed of the shadow : 12.8 km/s
Elongation to Moon & Sun : 42° (sunlit = 76%), Sun = 162°
Cross-track uncertainty : 0.7 mas = 1 km = 0.02 path-width (1-sig)
RUWE and duplicate source : 0.8 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#63
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
