557 Violetta
From Infogalactic: the planetary knowledge core
| Discovery | |
|---|---|
| Discovered by | M. F. Wolf |
| Discovery site | Heidelberg |
| Discovery date | January 26, 1905 |
| Designations | |
| 1905 PY | |
| Orbital characteristics[1] | |
| Epoch August 18, 2005 (JDCT 2453600.5) | |
| Aphelion | 2.689 AU |
| Perihelion | 2.195 AU |
| 2.442 AU | |
| Eccentricity | 0.101 |
| 3.816 a | |
| 127.890° | |
| Inclination | 2.496° |
| 293.094° | |
| 194.239° | |
| Physical characteristics | |
| 5.0887[2] h | |
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557 Violetta is a minor planet orbiting the Sun that was discovered by German astronomer Max Wolf on January 26, 1905 in Heidelberg.
Photometric observations of this asteroid made during 2008 at the Organ Mesa Observatory in Las Cruces, New Mexico gave a light curve with a period of 5.0887 ± 0.0001 hours and a brightness variation of 0.25 ± 0.03 in magnitude.[2]
References
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