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):
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] : 72858e59-5d01-4eb7-9bf1-6b919fddb2ef [observed]
Occultation Date + Time : 2017-05-16 at 02:04:56 UT +/- 0.01 min [1]
Object Designation : (25) Phocaea
Orbit Class : MBA
Star Designation : GDR3 1752315595564516480
Star Coordinates (ICRF) : RA = 20 23 20.6389, DE = +08 47 21.075 [2]
Star Magnitudes : G = 10.76 mag, RP = 9.97 mag, BP = 11.45 mag
Object Magnitude : V = 11.16 mag
Estimated Magnitude Drop : 1.0 mag
Estimated Max. Duration : 4.1 sec
Object Mean Diameter : 75 km (src: astorb)
Speed of the shadow : 18.5 km/s
Elongation to Moon & Sun : 30° (sunlit = 78%), Sun = 103°
Cross-track uncertainty : 1.7 mas = 1 km = 0.02 path-width (1-sig)
RUWE and duplicate source : 0.86 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#121
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
