(225) Henrietta Outer Main-belt Asteroid
Discovered on 19 April 1882 by J. Palisa at Vienna.
👶 Henrietta as a baby name🐶 Henrietta as a dog name
Where Henrietta is today
Seen from above the solar system on 2026-10-14: Henrietta is 2.68 au from the Sun and 1.92 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 225 |
| Provisional designation | A882 HA |
| Orbit class | Outer Main-belt Asteroid |
| Diameter | 95.9 km (#256 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0620 |
| Rotation period | 7.36 hours |
| Spectral type | F |
| Absolute magnitude (H) | 8.78 |
| Orbital period | 6.26 years |
| Semi-major axis | 3.40 au |
| Perihelion – aphelion | 2.51 – 4.29 au |
| Eccentricity | 0.262 |
| Inclination | 20.8° |
| 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. Palisa
- (136) Austria
- (137) Meliboea
- (140) Siwa
- (142) Polana
- (143) Adria
- (151) Abundantia
- (153) Hilda
- (155) Scylla
- (156) Xanthippe
- (178) Belisana
- (182) Elsa
- (183) Istria
← (224) Oceana · (226) Weringia →