(544) Jetta Main-belt Asteroid
Discovered on 11 September 1904 by P. Gotz at Heidelberg.
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Where Jetta is today
Seen from above the solar system on 2026-10-14: Jetta is 2.98 au from the Sun and 2.81 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 544 |
| Provisional designation | A904 RH |
| Orbit class | Main-belt Asteroid |
| Diameter | 27.2 km (#1,533 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.262 |
| Rotation period | 7.75 hours |
| Absolute magnitude (H) | 10.01 |
| Orbital period | 4.17 years |
| Semi-major axis | 2.59 au |
| Perihelion – aphelion | 2.20 – 2.99 au |
| Eccentricity | 0.152 |
| Inclination | 8.37° |
| Closest distance between its orbit and Earth's (MOID) | 1.18 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.