(3451) Mentor Jupiter Trojan

Discovered on 19 April 1984 by A. Mrkos at Klet.

Where Mentor is today

MercuryVenusEarthEarthMarsMarsJupiterJupiterMentorMentor

Seen from above the solar system on 2026-10-14: Mentor is 5.49 au from the Sun and 5.36 au from Earth. Computed from JPL's orbital elements.

Facts

Number3451
Provisional designation1984 HA1
Orbit classJupiter Trojan
Diameter126 km (#139 largest of 17,440 named asteroids with a measured size)
Albedo0.0440
Rotation period7.70 hours
Spectral typeX
Absolute magnitude (H)8.41
Orbital period11.8 years
Semi-major axis5.20 au
Perihelion – aphelion4.81 – 5.58 au
Eccentricity0.0740
Inclination24.6°
Closest distance between its orbit and Earth's (MOID)3.84 au

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

Also discovered on 19 April 1984

More named asteroids discovered by A. Mrkos