(1101) Clematis Outer Main-belt Asteroid

Discovered on 22 September 1928 by K. Reinmuth at Heidelberg.

Where Clematis is today

MercuryVenusEarthEarthMarsMarsClematisClematis

Seen from above the solar system on 2026-10-14: Clematis is 2.98 au from the Sun and 2.89 au from Earth. Computed from JPL's orbital elements.

Facts

Number1101
Provisional designation1928 SJ
Orbit classOuter Main-belt Asteroid
Diameter33.8 km (#1,196 largest of 17,440 named asteroids with a measured size)
Albedo0.127
Rotation period34.3 hours
Absolute magnitude (H)10.58
Orbital period5.81 years
Semi-major axis3.23 au
Perihelion – aphelion2.98 – 3.48 au
Eccentricity0.0780
Inclination21.4°
Closest distance between its orbit and Earth's (MOID)2.05 au

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

Also discovered on 22 September 1928

More named asteroids discovered by K. Reinmuth