(19190) Morihiroshi Main-belt Asteroid

Discovered on 10 January 1992 by Hioki, T., Hayakawa, S. at Okutama.

Hiroshi Mori (b. 1958), a Japanese amateur astronomer, is one of the members of the Yamaneko Group of Comet Observers. He is a devoted observer of small bodies. He discovered 42 minor planets with M. Arai at Yorii.Naming citation (20030106/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Morihiroshi is today

MercuryVenusEarthEarthMarsMarsMorihiroshiMorihiroshi

Seen from above the solar system on 2026-10-14: Morihiroshi is 2.50 au from the Sun and 1.52 au from Earth. Computed from JPL's orbital elements.

Facts

Number19190
Provisional designation1992 AM1
Orbit classMain-belt Asteroid
Diameter12.0 km (#4,065 largest of 17,440 named asteroids with a measured size)
Albedo0.0770
Absolute magnitude (H)13.28
Orbital period4.52 years
Semi-major axis2.73 au
Perihelion – aphelion2.50 – 2.96 au
Eccentricity0.0842
Inclination6.46°
Closest distance between its orbit and Earth's (MOID)1.51 au

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

Also named after someone called Hiroshi

Also discovered on 10 January 1992

More named asteroids discovered by Hioki, T., Hayakawa, S.