(25375) Treenajoi Main-belt Asteroid

Discovered on 10 October 1999 by LINEAR at Socorro.

Treena Joi mentored a finalist in the 2008 Society for Science and the Public middle school science competition. She teaches at the Corte Madera School, Portola Valley, California.Naming citation (20090111/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Treenajoi is today

MercuryVenusEarthEarthMarsMarsTreenajoiTreenajoi

Seen from above the solar system on 2026-10-14: Treenajoi is 2.15 au from the Sun and 2.16 au from Earth. Computed from JPL's orbital elements.

Facts

Number25375
Provisional designation1999 TR180
Orbit classMain-belt Asteroid
Diameter2.58 km (#16,118 largest of 17,440 named asteroids with a measured size)
Albedo0.243
Absolute magnitude (H)15.42
Orbital period3.78 years
Semi-major axis2.43 au
Perihelion – aphelion2.15 – 2.71 au
Eccentricity0.115
Inclination2.55°
Closest distance between its orbit and Earth's (MOID)1.16 au

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

Also discovered on 10 October 1999

More named asteroids discovered by LINEAR