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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2 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] : 8cfc1490-2fec-4c73-ac6a-ba987f2e9c7a [observed]
Occultation Date + Time : 2022-03-12 at 18:47:26 UT +/- 0.02 min [1]
Object Designation : (19) Fortuna
Orbit Class : MBA
Star Designation : GDR3 3878598391638263296
Star Coordinates (ICRF) : RA = 10 02 26.2199, DE = +09 54 06.625 [2]
Star Magnitudes : G = 12.22 mag, RP = 11.63 mag, BP = 12.64 mag
Object Magnitude : V = 11.3 mag
Estimated Magnitude Drop : 0.4 mag
Estimated Max. Duration : 10.8 sec
Object Mean Diameter : 109 km (src: astorb)
Speed of the shadow : 10.1 km/s
Elongation to Moon & Sun : 42° (sunlit = 72%), Sun = 157°
Cross-track uncertainty : 3.3 mas = 3 km = 0.04 path-width (1-sig)
RUWE and duplicate source : 1.46 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#155
Object is a Gaia mass determination target !
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
