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] : 98f6ed94-307e-40c4-a698-d5b6e8fc720e [observed]
Occultation Date + Time : 2022-11-13 at 22:39:46 UT +/- 0.07 min [1]
Object Designation : (588) Achilles
Orbit Class : JTRO
Star Designation : GDR3 0185781735263737728
Star Coordinates (ICRF) : RA = 04 58 09.0729, DE = +34 30 35.360 [2]
Star Magnitudes : G = 14.72 mag, RP = 13.78 mag, BP = 15.62 mag
Object Magnitude : V = 14.77 mag
Estimated Magnitude Drop : 0.8 mag
Estimated Max. Duration : 11.0 sec
Object Mean Diameter : 136 km (src: astorb)
Speed of the shadow : 12.3 km/s
Elongation to Moon & Sun : 36° (sunlit = 74%), Sun = 152°
Cross-track uncertainty : 0.7 mas = 1 km = 0.01 path-width (1-sig)
RUWE and duplicate source : 1.04 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#104
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
