UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km |
More
2 observations found in db: sodis
Available (probably) matching predictions (click on the link to switch):
Occultation UUID [and DB] : 380bbad0-408b-11f0-4ed7-b50562f7033b [cetnos]
Occultation Date + Time : 2025-12-31 at 02:52:18 UT +/- 1.17 min [1]
Object Designation : (447178) 2005 RO43
Orbit Class : CEN
Star Designation : GDR3 5718298743276254464
Star Coordinates (ICRF) : RA = 07 55 42.8544, DE = -16 30 41.735 [2]
Star Magnitudes : G = 15.25 mag, RP = 14.75 mag, BP = 15.57 mag
Object Magnitude : V = 19.15 mag
Estimated Magnitude Drop : 3.9 mag
Estimated Max. Duration : 6.6 sec
Object Mean Diameter : 129.3 km (src: CORA+astorb)
Speed of the shadow : 19.5 km/s
Elongation to Moon & Sun : 78° (sunlit = 85%), Sun = 137°
Cross-track uncertainty : 45.0 mas = 477 km = 3.69 path-width (1-sig)
RUWE and duplicate source : 0.91 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#24
Object is a "TNOs are cool" target !
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0