(5641) McCleese Mars-crossing Asteroid
Discovered on 27 February 1990 by E. F. Helin at Palomar.
Where McCleese is today
Seen from above the solar system on 2026-10-14: McCleese is 1.80 au from the Sun and 2.16 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 5641 |
| Provisional designation | 1990 DJ |
| Orbit class | Mars-crossing Asteroid |
| Diameter | 5.68 km (#9,439 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.291 |
| Rotation period | 418 hours |
| Spectral type | A |
| Absolute magnitude (H) | 14.04 |
| Orbital period | 2.45 years |
| Semi-major axis | 1.82 au |
| Perihelion – aphelion | 1.59 – 2.05 au |
| Eccentricity | 0.127 |
| Inclination | 22.2° |
| Closest distance between its orbit and Earth's (MOID) | 0.654 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.