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] : 3b1d1ae0-d294-11ee-7567-e3efee2f661e [cetnos]
Occultation Date + Time : 2025-12-31 at 02:52:29 UT +/- 2.16 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 = 19.2 mag
Estimated Magnitude Drop : 4.0 mag
Estimated Max. Duration : 6.3 sec
Object Mean Diameter : 123.4 km (src: CORA+astorb)
Speed of the shadow : 19.5 km/s
Elongation to Moon & Sun : 78° (sunlit = 85%), Sun = 137°
Cross-track uncertainty : 56.0 mas = 594 km = 4.82 path-width (1-sig)
RUWE and duplicate source : 0.91 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#20 (24-02-23)
Object is a "TNOs are cool" target !
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
