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: sodis
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] : 81259359-9bf9-4e59-9f40-0d6e671e2c50 [observed]
Occultation Date + Time : 2023-09-21 at 22:23:55 UT +/- 0.01 min [1]
Object Designation : (407) Arachne
Orbit Class : MBA
Star Designation : GDR3 3444459150286038400
Star Coordinates (ICRF) : RA = 05 41 49.8494, DE = +30 00 43.539 [2]
Star Magnitudes : G = 15.07 mag, RP = 13.97 mag, BP = 16.32 mag
Object Magnitude : V = 14.07 mag
Estimated Magnitude Drop : 0.4 mag
Estimated Max. Duration : 6.1 sec
Object Mean Diameter : 95 km (src: astorb)
Speed of the shadow : 15.5 km/s
Elongation to Moon & Sun : 171° (sunlit = 41%), Sun = 93°
Cross-track uncertainty : 1.0 mas = 1 km = 0.02 path-width (1-sig)
RUWE and duplicate source : 1.0 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#67
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
