(5133) Phillipadams Main-belt Asteroid

Discovered on 12 August 1990 by R. H. McNaught at Siding Spring.

Named in honor of Phillip Adams (b. 1939), Australian broadcaster, writer, journalist, wit and philosopher. Amongst his multifarious good works, he helped promote the Australian search and follow-up program on near-Earth asteroids from 1990 until its cessation in 1996. Name proposed by the discoverer following a suggestion by D. I. Steel, who prepared the citation.Naming citation (WGSBN Bull. 5, #28, 6), IAU / Minor Planet Center, via NASA/JPL

Where Phillipadams is today

Seen from above the solar system on 2026-10-14: Phillipadams is 2.29 au from the Sun and 1.71 au from Earth. Computed from JPL's orbital elements.

Facts

Number	5133
Provisional designation	1990 PA
Orbit class	Main-belt Asteroid
Diameter	22.7 km (#1,888 largest of 17,440 named asteroids with a measured size)
Albedo	0.0810
Rotation period	6.66 hours
Spectral type	B
Absolute magnitude (H)	12.11
Orbital period	4.47 years
Semi-major axis	2.71 au
Perihelion – aphelion	2.11 – 3.32 au
Eccentricity	0.224
Inclination	12.0°
Closest distance between its orbit and Earth's (MOID)	1.14 au

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

Also named after someone called Phillip

All asteroids named after someone called Phillip

More named asteroids discovered by R. H. McNaught

All 115

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