(145451) Rumina Trans-Neptunian Object
Discovered on 9 September 2005 by Becker, A. C., Puckett, A. W., Kubica, J. at Apache Point.
Rumina is a minor Roman goddess who was invoked as a protector of nursing mothers.Naming citation (WGSBN Bull. 5, #20, 7), IAU / Minor Planet Center, via NASA/JPL
Where Rumina is today
Seen from above the solar system on 2026-10-14: Rumina is 39.4 au from the Sun and 39.0 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 145451 |
| Provisional designation | 2005 RM43 |
| Orbit class | Trans-Neptunian Object |
| Rotation period | 6.71 hours |
| Absolute magnitude (H) | 4.58 |
| Orbital period | 883 years |
| Semi-major axis | 92.0 au |
| Perihelion – aphelion | 35.2 – 149 au |
| Eccentricity | 0.618 |
| Inclination | 28.7° |
| Closest distance between its orbit and Earth's (MOID) | 34.2 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.