(2690) Ristiina Main-belt Asteroid

Discovered on 24 February 1938 by Y. Vaisala at Turku.

Where Ristiina is today

MercuryVenusEarthEarthMarsMarsRistiinaRistiina

Seen from above the solar system on 2026-10-14: Ristiina is 2.76 au from the Sun and 2.43 au from Earth. Computed from JPL's orbital elements.

Facts

Number2690
Provisional designation1938 DG1
Orbit classMain-belt Asteroid
Diameter18.2 km (#2,467 largest of 17,440 named asteroids with a measured size)
Albedo0.176
Absolute magnitude (H)11.56
Orbital period5.29 years
Semi-major axis3.04 au
Perihelion – aphelion2.70 – 3.37 au
Eccentricity0.111
Inclination11.5°
Closest distance between its orbit and Earth's (MOID)1.73 au

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

Also discovered on 24 February 1938

More named asteroids discovered by Y. Vaisala