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):
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] : 88999114-1e4f-4cd5-8f1e-03ed4d3ca4b9 [observed]
Occultation Date + Time : 2019-04-27 at 01:40:17 UT +/- 0.05 min [1]
Object Designation : (334) Chicago
Orbit Class : MBA
Star Designation : GDR3 0619236977304348544
Star Coordinates (ICRF) : RA = 09 33 50.1757, DE = +16 43 22.392 [2]
Star Magnitudes : G = 12.48 mag, RP = 11.86 mag, BP = 12.94 mag
Object Magnitude : V = 14.25 mag
Estimated Magnitude Drop : 2.0 mag
Estimated Max. Duration : 23.4 sec
Object Mean Diameter : 156 km (src: astorb)
Speed of the shadow : 6.7 km/s
Elongation to Moon & Sun : 168° (sunlit = 49%), Sun = 104°
Cross-track uncertainty : 1.7 mas = 4 km = 0.03 path-width (1-sig)
RUWE and duplicate source : 0.96 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#183
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0