(9489) Tanemahuta Main-belt Asteroid

Discovered on 25 March 1971 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar.

Named for the god of the forests of the Maori people in New Zealand and for the great kauri tree in the Waipoua forest that also bears this name.Naming citation (19990402/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Tanemahuta is today

MercuryVenusEarthEarthMarsMarsTanemahutaTanemahuta

Seen from above the solar system on 2026-10-14: Tanemahuta is 2.66 au from the Sun and 3.61 au from Earth. Computed from JPL's orbital elements.

Facts

Number9489
Provisional designation1146 T-1
Orbit classMain-belt Asteroid
Diameter3.43 km (#14,143 largest of 17,440 named asteroids with a measured size)
Albedo0.237
Absolute magnitude (H)14.62
Orbital period4.28 years
Semi-major axis2.64 au
Perihelion – aphelion2.38 – 2.89 au
Eccentricity0.0967
Inclination4.74°
Closest distance between its orbit and Earth's (MOID)1.37 au

Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.

Also discovered on 25 March 1971

More named asteroids discovered by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T.