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] : 199e5ca1-d41a-46c2-9edb-d18f21c485d4 [observed]
Occultation Date + Time : 2022-10-04 at 22:39:49 UT +/- 0.03 min [1]
Object Designation : (95) Arethusa
Orbit Class : MBA
Star Designation : GDR3 4222755323658891520
Star Coordinates (ICRF) : RA = 20 21 41.2463, DE = -02 48 56.155 [2]
Star Magnitudes : G = 12.38 mag, RP = 11.73 mag, BP = 12.89 mag
Object Magnitude : V = 13.04 mag
Estimated Magnitude Drop : 1.1 mag
Estimated Max. Duration : 20.8 sec
Object Mean Diameter : 136 km (src: astorb)
Speed of the shadow : 6.5 km/s
Elongation to Moon & Sun : 21° (sunlit = 72%), Sun = 114°
Cross-track uncertainty : 2.3 mas = 3 km = 0.03 path-width (1-sig)
RUWE and duplicate source : 3.3 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#63
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
