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] : e9a861ea-2cd6-449d-8a89-610afed1f92f [observed]
Occultation Date + Time : 2020-05-13 at 22:28:31 UT +/- 0.01 min [1]
Object Designation : (87) Sylvia
Orbit Class : MBA
Star Designation : GDR3 0876224185093266176
Star Coordinates (ICRF) : RA = 08 06 17.7441, DE = +29 02 55.172 [2]
Star Magnitudes : G = 13.36 mag, RP = 12.91 mag, BP = 13.65 mag
Object Magnitude : V = 13.7 mag
Estimated Magnitude Drop : 0.9 mag
Estimated Max. Duration : 9.8 sec
Object Mean Diameter : 261 km (src: astorb)
Speed of the shadow : 26.8 km/s
Elongation to Moon & Sun : 161° (sunlit = 56%), Sun = 64°
Cross-track uncertainty : 1.0 mas = 2 km = 0.01 path-width (1-sig)
RUWE and duplicate source : 0.99 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#114
Object is a Gaia mass determination target !
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
