(4587) Rees Mars-crossing Asteroid

Discovered on 30 September 1973 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar.

Where Rees is today

MercuryVenusEarthEarthMarsMarsReesRees

Seen from above the solar system on 2026-10-14: Rees is 3.81 au from the Sun and 3.22 au from Earth. Computed from JPL's orbital elements.

Facts

Number4587
Provisional designation3239 T-2
Orbit classMars-crossing Asteroid
Rotation period7.88 hours
Absolute magnitude (H)15.49
Orbital period4.33 years
Semi-major axis2.66 au
Perihelion – aphelion1.31 – 4.01 au
Eccentricity0.509
Inclination24.6°
Closest distance between its orbit and Earth's (MOID)0.536 au

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

Also discovered on 30 September 1973

More named asteroids discovered by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T.