(117411) Adellehelble Main-belt Asteroid

Discovered on 6 January 2005 by CSS at Catalina.

Adelle Helble (b. 1984) is an American engineer who served as Acting Program Manager for NASA’s Near-Earth Object Observations Program. In this role she supported NASA’s planetary defense program by managing funding and coordination of efforts to find, track, and characterize potentially hazardous near-Earth objects.Naming citation (WGSBN Bull. 6, #3, 10), IAU / Minor Planet Center, via NASA/JPL

Where Adellehelble is today

MercuryVenusEarthEarthMarsMarsAdellehelbleAdellehelble

Seen from above the solar system on 2026-10-14: Adellehelble is 2.99 au from the Sun and 3.60 au from Earth. Computed from JPL's orbital elements.

Facts

Number117411
Provisional designation2005 AH12
Orbit classMain-belt Asteroid
Diameter3.69 km (#13,487 largest of 17,440 named asteroids with a measured size)
Albedo0.156
Absolute magnitude (H)15.19
Orbital period5.40 years
Semi-major axis3.08 au
Perihelion – aphelion2.93 – 3.23 au
Eccentricity0.0498
Inclination10.6°
Closest distance between its orbit and Earth's (MOID)1.94 au

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

Also discovered on 6 January 2005

More named asteroids discovered by CSS