(4181) Kivi Main-belt Asteroid
Discovered on 24 February 1938 by Y. Vaisala at Turku.
Where Kivi is today
Seen from above the solar system on 2026-10-14: Kivi is 2.33 au from the Sun and 3.23 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4181 |
| Provisional designation | 1938 DK1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 8.34 km (#6,273 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.306 |
| Rotation period | 178 hours |
| Absolute magnitude (H) | 12.73 |
| Orbital period | 4.22 years |
| Semi-major axis | 2.61 au |
| Perihelion – aphelion | 2.26 – 2.96 au |
| Eccentricity | 0.135 |
| Inclination | 14.4° |
| Closest distance between its orbit and Earth's (MOID) | 1.28 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 24 February 1938
- (1483) Hakoila
- (1551) Argelander
- (1552) Bessel
- (1998) Titius
- (2665) Schrutka
- (2678) Aavasaksa
- (2690) Ristiina
- (3272) Tillandz
- (3281) Maupertuis