(7829) Jaroff Inner Main-belt Asteroid

Discovered on 21 November 1992 by E. F. Helin at Palomar.

Named in honor of Leon Jaroff (b. 1927), science journalist with a long, distinctive association with Time magazine. Jaroff is internationally known for his well-researched, insightful articles and essays on scientific subjects combining factual reporting and intelligent commentary. He has won many awards and honors for his fine journalism. Through his writing, he has drawn attention to the issue of NEOs and the potentially catastrophic consequences for our civilization should a large comet or asteroid strike the earth.Naming citation (19980808/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Jaroff is today

MercuryVenusEarthEarthMarsMarsJaroffJaroff

Seen from above the solar system on 2026-10-14: Jaroff is 2.06 au from the Sun and 2.92 au from Earth. Computed from JPL's orbital elements.

Facts

Number7829
Provisional designation1992 WY4
Orbit classInner Main-belt Asteroid
Diameter2.66 km (#15,933 largest of 17,440 named asteroids with a measured size)
Albedo0.851
Rotation period4.40 hours
Absolute magnitude (H)14.4
Orbital period2.73 years
Semi-major axis1.95 au
Perihelion – aphelion1.80 – 2.10 au
Eccentricity0.0756
Inclination17.9°
Closest distance between its orbit and Earth's (MOID)0.821 au

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

Also named after someone called Leon

Also discovered on 21 November 1992

More named asteroids discovered by E. F. Helin