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] : 508b5643-7277-406e-bbaf-eb489a36455f [observed]
Occultation Date + Time : 2020-07-06 at 20:26:17 UT +/- 0.02 min [1]
Object Designation : (335) Roberta
Orbit Class : MBA
Star Designation : GDR3 4184112884423851008
Star Coordinates (ICRF) : RA = 19 20 41.1563, DE = -15 25 32.132 [2]
Star Magnitudes : G = 12.28 mag, RP = 11.48 mag, BP = 12.96 mag
Object Magnitude : V = 11.16 mag
Estimated Magnitude Drop : 0.3 mag
Estimated Max. Duration : 13.0 sec
Object Mean Diameter : 89 km (src: astorb)
Speed of the shadow : 6.8 km/s
Elongation to Moon & Sun : 19° (sunlit = 97%), Sun = 172°
Cross-track uncertainty : 1.0 mas = 0 km = 0.01 path-width (1-sig)
RUWE and duplicate source : 1.06 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
