(9386) Hitomi Main-belt Asteroid

Discovered on 5 December 1993 by Hirasawa, M., Suzuki, S. at Nyukasa.

Named in honor of Hitomi Doi (b. 1955), wife of Takao Doi, the first Japanese space walker. Hitomi is the author of many articles and essays, mostly about astronomy. She is also an enthusiastic amateur astronomer.Naming citation (19990402/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Hitomi is today

MercuryVenusEarthEarthMarsMarsHitomiHitomi

Seen from above the solar system on 2026-10-14: Hitomi is 2.86 au from the Sun and 2.63 au from Earth. Computed from JPL's orbital elements.

Facts

Number9386
Provisional designation1993 XD1
Orbit classMain-belt Asteroid
Diameter10.1 km (#5,066 largest of 17,440 named asteroids with a measured size)
Albedo0.0700
Absolute magnitude (H)13.8
Orbital period5.72 years
Semi-major axis3.20 au
Perihelion – aphelion2.47 – 3.92 au
Eccentricity0.226
Inclination1.42°
Closest distance between its orbit and Earth's (MOID)1.48 au

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

Also discovered on 5 December 1993

More named asteroids discovered by Hirasawa, M., Suzuki, S.