(698) Ernestina Main-belt Asteroid
Discovered on 5 March 1910 by J. Helffrich at Heidelberg.
Where Ernestina is today
Seen from above the solar system on 2026-10-14: Ernestina is 2.58 au from the Sun and 3.46 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 698 |
| Provisional designation | A910 ED |
| Orbit class | Main-belt Asteroid |
| Diameter | 27.0 km (#1,539 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0950 |
| Rotation period | 5.04 hours |
| Absolute magnitude (H) | 11.01 |
| Orbital period | 4.86 years |
| Semi-major axis | 2.87 au |
| Perihelion – aphelion | 2.55 – 3.19 au |
| Eccentricity | 0.112 |
| Inclination | 11.5° |
| Closest distance between its orbit and Earth's (MOID) | 1.59 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
More named asteroids discovered by J. Helffrich
- (697) Galilea
- (699) Hela
- (700) Auravictrix
- (701) Oriola
- (702) Alauda
- (706) Hirundo
- (708) Raphaela
- (709) Fringilla
- (713) Luscinia
- (714) Ulula
- (2056) Nancy
- (3861) Lorenz
← (697) Galilea · (699) Hela →