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] : 18cce195-16c8-4a21-9665-2602e74c0187 [observed]
Occultation Date + Time : 1999-04-10 at 23:34:19 UT +/- 0.01 min [1]
Object Designation : (313) Chaldaea
Orbit Class : MBA
Star Designation : GDR3 3353481812993150720
Star Coordinates (ICRF) : RA = 06 55 10.5059, DE = +14 13 42.051 [2]
Star Magnitudes : G = 7.72 mag, RP = 6.85 mag, BP = 8.51 mag
Object Magnitude : V = 13.27 mag
Estimated Magnitude Drop : 5.6 mag
Estimated Max. Duration : 4.0 sec
Object Mean Diameter : 96 km (src: astorb)
Speed of the shadow : 23.9 km/s
Elongation to Moon & Sun : 150° (sunlit = 32%), Sun = 83°
Cross-track uncertainty : 0.5 mas = 0 km = 0.01 path-width (1-sig)
RUWE and duplicate source : 1.0 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#117
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0