(40134) Marsili Main-belt Asteroid

Discovered on 27 August 1998 by V. S. Casulli at Colleverde.

The Marsili submarine volcano located in the Mediterranean Sea is the highest and largest in Europe.Naming citation (MPC batch dated 2017-03-12), IAU / Minor Planet Center, via NASA/JPL

Where Marsili is today

MercuryVenusEarthEarthMarsMarsMarsiliMarsili

Seen from above the solar system on 2026-10-14: Marsili is 3.08 au from the Sun and 2.83 au from Earth. Computed from JPL's orbital elements.

Facts

Number40134
Provisional designation1998 QO53
Orbit classMain-belt Asteroid
Diameter4.31 km (#12,031 largest of 17,440 named asteroids with a measured size)
Albedo0.199
Absolute magnitude (H)14.54
Orbital period4.52 years
Semi-major axis2.73 au
Perihelion – aphelion2.00 – 3.47 au
Eccentricity0.270
Inclination24.1°
Closest distance between its orbit and Earth's (MOID)1.10 au

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

Also discovered on 27 August 1998

More named asteroids discovered by V. S. Casulli