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: sodis
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] : 5dbc9f10-c34f-11ef-5276-a3e9ff1fc0fd [observed]
Occultation Date + Time : 2024-07-21 at 21:14:34 UT +/- 0.02 min [1]
Object Designation : (335) Roberta
Orbit Class : MBA
Star Designation : GDR3 6888490861127367040
Star Coordinates (ICRF) : RA = 21 00 17.8873, DE = -13 11 51.169 [2]
Star Magnitudes : G = 11.28 mag, RP = 10.07 mag, BP = 10.88 mag
Object Magnitude : V = 11.37 mag
Estimated Magnitude Drop : 0.8 mag
Estimated Max. Duration : 13.5 sec
Object Mean Diameter : 89 km (src: astorb)
Speed of the shadow : 6.6 km/s
Elongation to Moon & Sun : 11° (sunlit = 100%), Sun = 165°
Cross-track uncertainty : 1.6 mas = 1 km = 0.01 path-width (1-sig)
RUWE and duplicate source : 4.2 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#86
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
