(5751) Zao Amor

Discovered on 5 January 1992 by M. Koishikawa at Ayashi.

Where Zao is today

MercuryVenusEarthEarthMarsMarsZaoZao

Seen from above the solar system on 2026-10-14: Zao is 2.82 au from the Sun and 2.77 au from Earth. Computed from JPL's orbital elements.

Facts

Number5751
Provisional designation1992 AC
Orbit classAmor · near-Earth
Diameter2.30 km (#16,608 largest of 17,440 named asteroids with a measured size)
Albedo0.360
Rotation period76.0 hours
Spectral typeX
Absolute magnitude (H)14.94
Orbital period3.05 years
Semi-major axis2.10 au
Perihelion – aphelion1.21 – 3.00 au
Eccentricity0.425
Inclination16.1°
Closest distance between its orbit and Earth's (MOID)0.241 au

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

More named asteroids discovered by M. Koishikawa