(144333) Marcinkiewicz Main-belt Asteroid

Discovered on 20 February 2004 by W. Ries at Altschwendt.

Ekhard Marcinkiewicz (b. 1928) is a well-known amateur astronomer in Austria. He documented the sun accurately and consistently in thousands of drawings over many decades and has played an important role in Austrian solar research.Naming citation (20070926/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Marcinkiewicz is today

MercuryVenusEarthEarthMarsMarsMarcinkiewiczMarcinkiewicz

Seen from above the solar system on 2026-10-14: Marcinkiewicz is 3.06 au from the Sun and 4.06 au from Earth. Computed from JPL's orbital elements.

Facts

Number144333
Provisional designation2004 DT25
Orbit classMain-belt Asteroid
Rotation period15.2 hours
Absolute magnitude (H)15.73
Orbital period4.40 years
Semi-major axis2.69 au
Perihelion – aphelion2.28 – 3.10 au
Eccentricity0.152
Inclination13.0°
Closest distance between its orbit and Earth's (MOID)1.27 au

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

More named asteroids discovered by W. Ries