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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3 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] : a5de7339-5e3f-43af-8dc0-8e28b9a2ed99 [observed]
Occultation Date + Time : 2021-02-12 at 00:13:47 UT +/- 0.05 min [1]
Object Designation : (381) Myrrha
Orbit Class : MBA
Star Designation : GDR3 3907203702759287040
Star Coordinates (ICRF) : RA = 12 21 13.3797, DE = +10 47 10.992 [2]
Star Magnitudes : G = 13.81 mag, RP = 13.15 mag, BP = 14.31 mag
Object Magnitude : V = 13.57 mag
Estimated Magnitude Drop : 0.6 mag
Estimated Max. Duration : 12.7 sec
Object Mean Diameter : 121 km (src: astorb)
Speed of the shadow : 9.5 km/s
Elongation to Moon & Sun : 145° (sunlit = 0%), Sun = 141°
Cross-track uncertainty : 2.3 mas = 4 km = 0.03 path-width (1-sig)
RUWE and duplicate source : 1.0 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#72
Object is a Gaia mass determination target !
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
