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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4 observations 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] : 40bcd5fb-d07d-4d08-82ac-c32ef6a8a736 [observed]
Occultation Date + Time : 2001-12-30 at 17:57:27 UT +/- 0.02 min [1]
Object Designation : (144) Vibilia
Orbit Class : MBA
Star Designation : GDR3 2445847363831467392
Star Coordinates (ICRF) : RA = 23 45 27.6344, DE = -05 49 08.213 [2]
Star Magnitudes : G = 10.84 mag, RP = 10.39 mag, BP = 11.13 mag
Object Magnitude : V = 12.48 mag
Estimated Magnitude Drop : 1.9 mag
Estimated Max. Duration : 5.0 sec
Object Mean Diameter : 142 km (src: astorb)
Speed of the shadow : 28.7 km/s
Elongation to Moon & Sun : 109° (sunlit = 100%), Sun = 75°
Cross-track uncertainty : 7.3 mas = 10 km = 0.08 path-width (1-sig)
RUWE and duplicate source : 0.92 mas, dup.src = 1 (0:false, 1:true)
Ephemeris Reference : JPL#125
Object is a Gaia mass determination target !
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
