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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3 observations found in db: euraster
Available (probably) matching predictions (click on the link to switch):
Occultation UUID [and DB] : b2b19548-030c-49b6-aed8-9af7f4d36241 [observed]
Occultation Date + Time : 2013-01-08 at 20:27:20 UT +/- 0.14 min [1]
Object Designation : (20000) Varuna
Orbit Class : TNO
Star Designation : GDR3 0874116833620762240
Star Coordinates (ICRF) : RA = 07 49 36.9987, DE = +26 25 51.993 [2]
Star Magnitudes : G = 16.14 mag, RP = 15.5 mag, BP = 16.62 mag
Object Magnitude : V = 20.2 mag
Estimated Magnitude Drop : 4.1 mag
Estimated Max. Duration : 23.3 sec
Object Mean Diameter : 602 km (src: astorb)
Speed of the shadow : 25.9 km/s
Elongation to Moon & Sun : 133° (sunlit = 12%), Sun = 172°
Cross-track uncertainty : 4.7 mas = 145 km = 0.24 path-width (1-sig)
RUWE and duplicate source : 0.96 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#57
Object is a "TNOs are cool" target !
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0