(21014) Daishi Main-belt Asteroid

Discovered on 13 October 1988 by T. Seki at Geisei.

Daishi is the grade school, established in Kochi city in 1880, that was attended by the discoverer from 1937 to 1943.Naming citation (20020624/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Daishi is today

MercuryVenusEarthEarthMarsMarsDaishiDaishi

Seen from above the solar system on 2026-10-14: Daishi is 2.88 au from the Sun and 2.57 au from Earth. Computed from JPL's orbital elements.

Facts

Number21014
Provisional designation1988 TS1
Orbit classMain-belt Asteroid
Diameter7.68 km (#6,899 largest of 17,440 named asteroids with a measured size)
Albedo0.131
Absolute magnitude (H)14.07
Orbital period5.58 years
Semi-major axis3.15 au
Perihelion – aphelion2.49 – 3.80 au
Eccentricity0.208
Inclination1.59°
Closest distance between its orbit and Earth's (MOID)1.50 au

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

Also discovered on 13 October 1988

More named asteroids discovered by T. Seki