(981) Martina Main-belt Asteroid

Discovered on 23 September 1917 by S. Beljavskij at Simeis.

Where Martina is today

MercuryVenusEarthEarthMarsMarsMartinaMartina

Seen from above the solar system on 2026-10-14: Martina is 2.49 au from the Sun and 1.60 au from Earth. Computed from JPL's orbital elements.

Facts

Number981
Provisional designationA917 SW
Orbit classMain-belt Asteroid
Diameter32.5 km (#1,249 largest of 17,440 named asteroids with a measured size)
Albedo0.106
Rotation period11.3 hours
Spectral typeCFU:
Absolute magnitude (H)11.11
Orbital period5.46 years
Semi-major axis3.10 au
Perihelion – aphelion2.48 – 3.72 au
Eccentricity0.201
Inclination2.06°
Closest distance between its orbit and Earth's (MOID)1.47 au

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

Also discovered on 23 September 1917

More named asteroids discovered by S. Beljavskij