(1657) Roemera Main-belt Asteroid
Discovered on 6 March 1961 by P. Wild at Zimmerwald.
Where Roemera is today
Seen from above the solar system on 2026-10-14: Roemera is 2.43 au from the Sun and 2.90 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 1657 |
| Provisional designation | 1961 EA |
| Orbit class | Main-belt Asteroid |
| Diameter | 7.67 km (#6,924 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.220 |
| Rotation period | 302 hours |
| Spectral type | S |
| Absolute magnitude (H) | 13.04 |
| Orbital period | 3.60 years |
| Semi-major axis | 2.35 au |
| Perihelion – aphelion | 1.79 – 2.90 au |
| Eccentricity | 0.237 |
| Inclination | 23.4° |
| Closest distance between its orbit and Earth's (MOID) | 0.878 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
More named asteroids discovered by P. Wild
- (1687) Glarona
- (1748) Mauderli
- (1768) Appenzella
- (1773) Rumpelstilz
- (1775) Zimmerwald
- (1803) Zwicky
- (1830) Pogson
- (1831) Nicholson
- (1838) Ursa
- (1839) Ragazza
- (1844) Susilva
- (1845) Helewalda
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