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] : 7c67fb57-23d6-4c4b-b029-2b50aa3f667b [observed]
Occultation Date + Time : 2014-08-15 at 21:58:54 UT +/- 0.0 min [1]
Object Designation : (4889) Praetorius
Orbit Class : MBA
Star Designation : GDR3 2688933755347605248
Star Coordinates (ICRF) : RA = 21 08 36.1631, DE = -01 40 19.223 [2]
Star Magnitudes : G = 12.35 mag, RP = 11.86 mag, BP = 12.66 mag
Object Magnitude : V = 17.56 mag
Estimated Magnitude Drop : 5.2 mag
Estimated Max. Duration : 1.3 sec
Object Mean Diameter : 19 km (src: astorb)
Speed of the shadow : 15.2 km/s
Elongation to Moon & Sun : 75° (sunlit = 67%), Sun = 165°
Cross-track uncertainty : 0.7 mas = 1 km = 0.07 path-width (1-sig)
RUWE and duplicate source : 1.45 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#56
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0