UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km |
More
1 observation found in db: sodis
Available (probably) matching predictions (click on the link to switch):
Occultation UUID [and DB] : 475c2900-876a-11ef-78cd-f71bbaaffee6 [asteroids]
Occultation Date + Time : 2025-04-03 at 22:41:08 UT +/- 0.01 min [1]
Object Designation : (1618) Dawn
Orbit Class : MBA
Star Designation : GDR3 6328479146373425920
Star Coordinates (ICRF) : RA = 14 27 33.4303, DE = -09 42 44.790 [2]
Star Magnitudes : G = 12.35 mag, RP = 11.79 mag, BP = 12.74 mag
Object Magnitude : V = 15.43 mag
Estimated Magnitude Drop : 3.1 mag
Estimated Max. Duration : 2.1 sec
Object Mean Diameter : 19.6 km (src: astorb)
Speed of the shadow : 9.4 km/s
Elongation to Moon & Sun : 127° (sunlit = 38%), Sun = 156°
Cross-track uncertainty : 0.8 mas = 1 km = 0.06 path-width (1-sig)
RUWE and duplicate source : 2.08 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#63
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0