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: sodis
Available (probably) matching predictions (click on the link to switch):
Occultation UUID [and DB] : b776d550-8b8e-11ef-78cd-92a0dedffb44 [asteroids]
Occultation Date + Time : 2025-03-28 at 02:30:18 UT +/- 0.0 min [1]
Object Designation : (31542) 1999 DR3
Orbit Class : MBA
Star Designation : GDR3 3980510376366107136
Star Coordinates (ICRF) : RA = 11 31 21.3112, DE = +22 30 07.221 [2]
Star Magnitudes : G = 13.98 mag, RP = 13.33 mag, BP = 14.47 mag
Object Magnitude : V = 16.81 mag
Estimated Magnitude Drop : 2.9 mag
Estimated Max. Duration : 1.1 sec
Object Mean Diameter : 11.7 km (src: astorb)
Speed of the shadow : 10.7 km/s
Elongation to Moon & Sun : 162° (sunlit = 3%), Sun = 151°
Cross-track uncertainty : 1.2 mas = 1 km = 0.15 path-width (1-sig)
RUWE and duplicate source : 4.05 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#59
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0