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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4 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] : d0e9c17a-24fd-4d71-8697-700fd4f94bab [observed]
Occultation Date + Time : 2019-04-15 at 20:58:01 UT +/- 0.01 min [1]
Object Designation : (4716) Urey
Orbit Class : MBA
Star Designation : GDR3 3439961941571964416
Star Coordinates (ICRF) : RA = 06 15 03.5963, DE = +32 47 30.218 [2]
Star Magnitudes : G = 10.61 mag, RP = 9.74 mag, BP = 11.39 mag
Object Magnitude : V = 17.34 mag
Estimated Magnitude Drop : 6.7 mag
Estimated Max. Duration : 0.5 sec
Object Mean Diameter : 15 km (src: astorb)
Speed of the shadow : 28.8 km/s
Elongation to Moon & Sun : 63° (sunlit = 83%), Sun = 68°
Cross-track uncertainty : 0.7 mas = 1 km = 0.10 path-width (1-sig)
RUWE and duplicate source : 0.93 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#53
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
