(25597) Glendahill Main-belt Asteroid

Discovered on 31 December 1999 by LONEOS at Anderson Mesa.

Glenda Hill (b. 1948) has volunteered in the Lowell Observatory Archives since 2010. She has catalogued the correspondence of V.M. Slipher, Percival Lowell and Wrexie Louise Leonard. Glenda has become quite adept at deciphering poor handwriting. She is married to outreach volunteer Gene Hill.Naming citation (MPC batch dated 2018-05-29), IAU / Minor Planet Center, via NASA/JPL

Where Glendahill is today

MercuryVenusEarthEarthMarsMarsGlendahillGlendahill

Seen from above the solar system on 2026-10-14: Glendahill is 2.07 au from the Sun and 1.71 au from Earth. Computed from JPL's orbital elements.

Facts

Number25597
Provisional designation1999 YS14
Orbit classMain-belt Asteroid
Diameter2.85 km (#15,543 largest of 17,440 named asteroids with a measured size)
Albedo0.377
Absolute magnitude (H)14.86
Orbital period3.41 years
Semi-major axis2.26 au
Perihelion – aphelion1.68 – 2.85 au
Eccentricity0.259
Inclination4.21°
Closest distance between its orbit and Earth's (MOID)0.677 au

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

Also named after someone called Glenda

Also discovered on 31 December 1999

More named asteroids discovered by LONEOS