(5870) Baltimore Mars-crossing Asteroid

Discovered on 11 February 1989 by E. F. Helin at Palomar.

Where Baltimore is today

MercuryVenusEarthEarthMarsMarsBaltimoreBaltimore

Seen from above the solar system on 2026-10-14: Baltimore is 2.86 au from the Sun and 3.79 au from Earth. Computed from JPL's orbital elements.

Facts

Number5870
Provisional designation1989 CC1
Orbit classMars-crossing Asteroid
Diameter7.54 km (#7,068 largest of 17,440 named asteroids with a measured size)
Albedo0.215
Rotation period4.99 hours
Absolute magnitude (H)13.43
Orbital period4.66 years
Semi-major axis2.79 au
Perihelion – aphelion1.62 – 3.96 au
Eccentricity0.421
Inclination29.0°
Closest distance between its orbit and Earth's (MOID)0.883 au

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

Also discovered on 11 February 1989

More named asteroids discovered by E. F. Helin