(3743) Pauljaniczek Main-belt Asteroid
Discovered on 10 March 1983 by E. Barr at Anderson Mesa.
Paul M. Janiczek (b. 1937), at the U.S. Naval Observatory during 1967--1997 and head of the Astronomical Applications department since 1990, is a specialist in celestial mechanics, ephemerides and navigation. He supervised the U.S. contributions to and production of the Astronomical, Nautical and Air Almanacs.Naming citation (20000523/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Pauljaniczek is today
Seen from above the solar system on 2026-10-14: Pauljaniczek is 2.14 au from the Sun and 1.71 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 3743 |
| Provisional designation | 1983 EW |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.62 km (#11,388 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.274 |
| Rotation period | 4.56 hours |
| Absolute magnitude (H) | 13.72 |
| Orbital period | 3.27 years |
| Semi-major axis | 2.20 au |
| Perihelion – aphelion | 1.87 – 2.53 au |
| Eccentricity | 0.149 |
| Inclination | 3.33° |
| Closest distance between its orbit and Earth's (MOID) | 0.866 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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