(23988) Maungakiekie Main-belt Asteroid
Discovered on 2 September 1999 by I. P. Griffin at Auckland.
Maungakiekie, or “One Tree Hill”, is the volcanic cone in the city where this minor planet was discovered. One Tree Hill is still commonly referred to by the Maori name. Maunga means “hill”, and kiekie is a “strong climbing plant”.Naming citation (20010705/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Maungakiekie is today
Seen from above the solar system on 2026-10-14: Maungakiekie is 3.36 au from the Sun and 4.26 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 23988 |
| Provisional designation | 1999 RB |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 13.6 |
| Orbital period | 4.83 years |
| Semi-major axis | 2.86 au |
| Perihelion – aphelion | 2.33 – 3.38 au |
| Eccentricity | 0.185 |
| Inclination | 12.3° |
| Closest distance between its orbit and Earth's (MOID) | 1.38 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.