(4547) Massachusetts Main-belt Asteroid

Discovered on 16 May 1990 by Endate, K., Watanabe, K. at Sapporo.

Where Massachusetts is today

MercuryVenusEarthEarthMarsMarsMassachusettsMassachusetts

Seen from above the solar system on 2026-10-14: Massachusetts is 2.49 au from the Sun and 2.26 au from Earth. Computed from JPL's orbital elements.

Facts

Number4547
Provisional designation1990 KP
Orbit classMain-belt Asteroid
Diameter33.0 km (#1,227 largest of 17,440 named asteroids with a measured size)
Albedo0.0390
Rotation period7.70 hours
Spectral typeX
Absolute magnitude (H)11.93
Orbital period4.22 years
Semi-major axis2.61 au
Perihelion – aphelion2.44 – 2.79 au
Eccentricity0.0677
Inclination18.0°
Closest distance between its orbit and Earth's (MOID)1.45 au

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

Also discovered on 16 May 1990

More named asteroids discovered by Endate, K., Watanabe, K.