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] : f91cb895-d9ad-493e-8ec0-a80aed8c9d67 [observed]
Occultation Date + Time : 2018-07-23 at 21:02:21 UT +/- 0.01 min [1]
Object Designation : (305) Gordonia
Orbit Class : MBA
Star Designation : GDR3 4099702242888982400
Star Coordinates (ICRF) : RA = 18 35 42.1951, DE = -17 18 52.197 [2]
Star Magnitudes : G = 12.69 mag, RP = 12.29 mag, BP = 12.94 mag
Object Magnitude : V = 14.4 mag
Estimated Magnitude Drop : 1.9 mag
Estimated Max. Duration : 3.7 sec
Object Mean Diameter : 49 km (src: astorb)
Speed of the shadow : 13.2 km/s
Elongation to Moon & Sun : 21° (sunlit = 86%), Sun = 157°
Cross-track uncertainty : 1.0 mas = 1 km = 0.04 path-width (1-sig)
RUWE and duplicate source : 0.76 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#79
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
