(3695) Fiala Main-belt Asteroid

Discovered on 21 October 1973 by H. L. Giclas at Anderson Mesa.

Alan D. Fiala (b. 1942) is an expert on predicting and observing eclipses, with special application to precise measurement of the solar radius. A staff astronomer at the U.S. Naval Observatory since 1962, he has been Chief of the U.S. Nautical Almanac Office since 1996. This naming is on the occasion of his retirement.Naming citation (20000523/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Fiala is today

Seen from above the solar system on 2026-10-14: Fiala is 2.42 au from the Sun and 3.01 au from Earth. Computed from JPL's orbital elements.

Facts

Number	3695
Provisional designation	1973 UU4
Orbit class	Main-belt Asteroid
Diameter	7.73 km (#6,846 largest of 17,440 named asteroids with a measured size)
Albedo	0.0680
Rotation period	4.00 hours
Absolute magnitude (H)	14.25
Orbital period	3.60 years
Semi-major axis	2.35 au
Perihelion – aphelion	1.81 – 2.89 au
Eccentricity	0.231
Inclination	7.44°
Closest distance between its orbit and Earth's (MOID)	0.807 au

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

Also named after someone called Alan

All asteroids named after someone called Alan

More named asteroids discovered by H. L. Giclas

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