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):
Occultation UUID [and DB] : 8c78ea21-d454-4ad6-a761-be5763cc5f47 [observed]
Occultation Date + Time : 2017-01-20 at 19:43:31 UT +/- 0.01 min [1]
Object Designation : (27438) Carolynjons
Orbit Class : MBA
Star Designation : GDR3 0865820979733413760
Star Coordinates (ICRF) : RA = 07 24 43.0041, DE = +20 55 35.385 [2]
Star Magnitudes : G = 11.75 mag, RP = 11.49 mag, BP = 11.89 mag
Object Magnitude : V = 18.16 mag
Estimated Magnitude Drop : 6.4 mag
Estimated Max. Duration : 0.4 sec
Object Mean Diameter : 4 km (src: astorb)
Speed of the shadow : 10.8 km/s
Elongation to Moon & Sun : 111° (sunlit = 42%), Sun = 169°
Cross-track uncertainty : 3.0 mas = 3 km = 0.90 path-width (1-sig)
RUWE and duplicate source : 5.04 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#37
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0