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] : 14d93cc6-569f-43c5-a2d8-f89973fa4e04 [observed]
Occultation Date + Time : 2013-08-03 at 19:57:13 UT +/- 0.04 min [1]
Object Designation : (407) Arachne
Orbit Class : MBA
Star Designation : GDR3 6046379887586113536
Star Coordinates (ICRF) : RA = 16 39 08.9124, DE = -26 12 43.909 [2]
Star Magnitudes : G = 13.62 mag, RP = 13.04 mag, BP = 14.02 mag
Object Magnitude : V = 13.82 mag
Estimated Magnitude Drop : 0.9 mag
Estimated Max. Duration : 23.7 sec
Object Mean Diameter : 95 km (src: astorb)
Speed of the shadow : 4.0 km/s
Elongation to Moon & Sun : 153° (sunlit = 9%), Sun = 120°
Cross-track uncertainty : 0.7 mas = 1 km = 0.01 path-width (1-sig)
RUWE and duplicate source : 0.96 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
