(99) Dike Main-belt Asteroid
Discovered on 28 May 1868 by A. Borrelly at Marseilles.
Where Dike is today
Seen from above the solar system on 2026-10-14: Dike is 3.11 au from the Sun and 2.14 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 99 |
| Provisional designation | A868 KA |
| Orbit class | Main-belt Asteroid |
| Diameter | 67.4 km (#498 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0650 |
| Rotation period | 18.1 hours |
| Spectral type | C |
| Absolute magnitude (H) | 9.46 |
| Orbital period | 4.35 years |
| Semi-major axis | 2.66 au |
| Perihelion – aphelion | 2.14 – 3.19 au |
| Eccentricity | 0.198 |
| Inclination | 13.9° |
| Closest distance between its orbit and Earth's (MOID) | 1.13 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
More named asteroids discovered by A. Borrelly
- (110) Lydia
- (117) Lomia
- (120) Lachesis
- (146) Lucina
- (157) Dejanira
- (171) Ophelia
- (172) Baucis
- (173) Ino
- (198) Ampella
- (233) Asterope
- (240) Vanadis
- (246) Asporina
← (98) Ianthe · (100) Hekate →