(20445) Kanakosakamoto Main-belt Asteroid

Discovered on 12 May 1999 by LINEAR at Socorro.

Kanako Sakamoto (b. 1983) is a Japanese curator at JAXA. She played a key role in developing Hayabusa2’s sampling system and the successful return of the first C-type asteroid samples. She contributed greatly to capsule recovery, container opening, and initial analysis as a liaison among engineers, scientists, the mission team, and the research community.Naming citation (WGSBN Bull. 6, #11, 21), IAU / Minor Planet Center, via NASA/JPL

Where Kanakosakamoto is today

MercuryVenusEarthEarthMarsMarsKanakosakamotoKanakosakamoto

Seen from above the solar system on 2026-10-14: Kanakosakamoto is 2.83 au from the Sun and 3.79 au from Earth. Computed from JPL's orbital elements.

Facts

Number20445
Provisional designation1999 JN77
Orbit classMain-belt Asteroid
Diameter6.53 km (#8,212 largest of 17,440 named asteroids with a measured size)
Albedo0.0310
Absolute magnitude (H)14.44
Orbital period3.51 years
Semi-major axis2.31 au
Perihelion – aphelion1.74 – 2.88 au
Eccentricity0.245
Inclination7.21°
Closest distance between its orbit and Earth's (MOID)0.741 au

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

Also named after someone called Kanako

Also discovered on 12 May 1999

More named asteroids discovered by LINEAR