(25153) Tomhockey Main-belt Asteroid

Discovered on 16 September 1998 by LONEOS at Anderson Mesa.

Thomas Arnold Hockey (b. 1959) is a professor of astronomy at the University of Northern Iowa. He headed the large team that produced the Biographical Encyclopedia of Astronomy. For this he was awarded the AAS Historical Astronomy Division's Donald E. Osterbrock Book Prize in 2017.Naming citation (MPC batch dated 2017-12-03), IAU / Minor Planet Center, via NASA/JPL

Where Tomhockey is today

MercuryVenusEarthEarthMarsMarsTomhockeyTomhockey

Seen from above the solar system on 2026-10-14: Tomhockey is 2.60 au from the Sun and 3.08 au from Earth. Computed from JPL's orbital elements.

Facts

Number25153
Provisional designation1998 SY53
Orbit classMain-belt Asteroid
Absolute magnitude (H)15.02
Orbital period3.82 years
Semi-major axis2.45 au
Perihelion – aphelion2.21 – 2.68 au
Eccentricity0.0978
Inclination9.31°
Closest distance between its orbit and Earth's (MOID)1.20 au

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

Also named after someone called Thomas

Also discovered on 16 September 1998

More named asteroids discovered by LONEOS