(4494) Marimo Main-belt Asteroid
Discovered on 13 October 1988 by Ueda, S., Kaneda, H. at Kushiro.
Where Marimo is today
Seen from above the solar system on 2026-10-14: Marimo is 2.39 au from the Sun and 3.05 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4494 |
| Provisional designation | 1988 TK1 |
| Orbit class | Main-belt Asteroid |
| Rotation period | 4.12 hours |
| Absolute magnitude (H) | 13.63 |
| Orbital period | 3.59 years |
| Semi-major axis | 2.34 au |
| Perihelion – aphelion | 2.06 – 2.62 au |
| Eccentricity | 0.120 |
| Inclination | 2.47° |
| Closest distance between its orbit and Earth's (MOID) | 1.07 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.