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):
Occultation UUID [and DB] : 869831ec-60d5-40d8-8338-bf91ac69c181 [observed]
Occultation Date + Time : 2007-07-26 at 01:03:17 UT +/- 0.01 min [1]
Object Designation : (168) Sibylla
Orbit Class : MBA
Star Designation : GDR3 0034765080201987200
Star Coordinates (ICRF) : RA = 03 06 18.4290, DE = +17 06 57.435 [2]
Star Magnitudes : G = 9.55 mag, RP = 8.75 mag, BP = 10.2 mag
Object Magnitude : V = 14.32 mag
Estimated Magnitude Drop : 4.8 mag
Estimated Max. Duration : 6.1 sec
Object Mean Diameter : 148 km (src: astorb)
Speed of the shadow : 24.4 km/s
Elongation to Moon & Sun : 154° (sunlit = 83%), Sun = 74°
Cross-track uncertainty : 1.8 mas = 4 km = 0.03 path-width (1-sig)
RUWE and duplicate source : 3.27 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#71
Object is a Gaia mass determination target !
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0