(10694) Lacerda Outer Main-belt Asteroid

Discovered on 2 March 1981 by S. J. Bus at Siding Spring.

Pedro Lacerda (b. 1975) is a Lecturer at Queen's University Belfast whose work includes analyzing rotational lightcurves to infer physical properties of trans-Neptunian objects and other small solar system bodies.Naming citation (MPC batch dated 2017-03-12), IAU / Minor Planet Center, via NASA/JPL

Where Lacerda is today

MercuryVenusEarthEarthMarsMarsLacerdaLacerda

Seen from above the solar system on 2026-10-14: Lacerda is 3.32 au from the Sun and 4.08 au from Earth. Computed from JPL's orbital elements.

Facts

Number10694
Provisional designation1981 EH21
Orbit classOuter Main-belt Asteroid
Diameter11.7 km (#4,213 largest of 17,440 named asteroids with a measured size)
Albedo0.0890
Rotation period7.19 hours
Absolute magnitude (H)13.32
Orbital period5.75 years
Semi-major axis3.21 au
Perihelion – aphelion3.10 – 3.33 au
Eccentricity0.0355
Inclination22.1°
Closest distance between its orbit and Earth's (MOID)2.11 au

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

Also named after someone called Pedro

Also discovered on 2 March 1981

More named asteroids discovered by S. J. Bus