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] : eaa9ee67-919f-473c-b2e9-2e43da686402 [observed]
Occultation Date + Time : 2018-09-26 at 00:53:14 UT +/- 0.01 min [1]
Object Designation : (95) Arethusa
Orbit Class : MBA
Star Designation : GDR3 3364378179382838016
Star Coordinates (ICRF) : RA = 07 00 54.1054, DE = +18 09 40.203 [2]
Star Magnitudes : G = 14.34 mag, RP = 13.66 mag, BP = 14.87 mag
Object Magnitude : V = 13.41 mag
Estimated Magnitude Drop : 0.4 mag
Estimated Max. Duration : 5.9 sec
Object Mean Diameter : 136 km (src: astorb)
Speed of the shadow : 23.1 km/s
Elongation to Moon & Sun : 91° (sunlit = 99%), Sun = 78°
Cross-track uncertainty : 1.7 mas = 3 km = 0.02 path-width (1-sig)
RUWE and duplicate source : 1.07 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