(4798) Mercator Main-belt Asteroid

Discovered on 26 September 1989 by E. W. Elst at La Silla.

Where Mercator is today

MercuryVenusEarthEarthMarsMarsMercatorMercator

Seen from above the solar system on 2026-10-14: Mercator is 2.33 au from the Sun and 2.77 au from Earth. Computed from JPL's orbital elements.

Facts

Number4798
Provisional designation1989 SU1
Orbit classMain-belt Asteroid
Diameter5.02 km (#10,581 largest of 17,440 named asteroids with a measured size)
Albedo0.306
Absolute magnitude (H)13.62
Orbital period3.26 years
Semi-major axis2.20 au
Perihelion – aphelion1.96 – 2.44 au
Eccentricity0.110
Inclination3.66°
Closest distance between its orbit and Earth's (MOID)0.942 au

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

Also discovered on 26 September 1989

More named asteroids discovered by E. W. Elst