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] : ce66938a-e54f-4cb1-9ac9-575893b56a48 [observed]
Occultation Date + Time : 2018-07-10 at 21:01:11 UT +/- 0.01 min [1]
Object Designation : (400) Ducrosa
Orbit Class : MBA
Star Designation : GDR3 4044311943811524608
Star Coordinates (ICRF) : RA = 18 21 43.7706, DE = -35 05 17.835 [2]
Star Magnitudes : G = 7.7 mag, RP = 6.34 mag, BP = 9.92 mag
Object Magnitude : V = 15.15 mag
Estimated Magnitude Drop : 7.5 mag
Estimated Max. Duration : 2.9 sec
Object Mean Diameter : 34 km (src: astorb)
Speed of the shadow : 11.5 km/s
Elongation to Moon & Sun : 157° (sunlit = 8%), Sun = 162°
Cross-track uncertainty : 0.7 mas = 1 km = 0.03 path-width (1-sig)
RUWE and duplicate source : 0.86 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#68
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
