191 Kolga
| Discovery | |
|---|---|
| Discovered by | C. H. F. Peters, 1878 |
| Designations | |
| Main belt | |
| Orbital characteristics[1] | |
| Aphelion | 3.152 AU |
| Perihelion | 2.643 AU |
| 2.898 AU | |
| Eccentricity | 0.088 |
| 4.93 years | |
| Inclination | 11.51° |
| Physical characteristics | |
| 17.625[2] hours | |
| Albedo | 0.041 |
| 9.07 | |
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191 Kolga is a large, dark main-belt asteroid that was discovered by German-American astronomer C. H. F. Peters on September 30, 1878, in Clinton, New York. It is named after Kolga, the daughter of Ægir in Norse mythology.[3]
In 2009, Photometric observations of this asteroid were made at the Palmer Divide Observatory in Colorado Springs, Colorado. The resulting light curve shows a synodic rotation period of 17.625 ± 0.004 hours with a brightness variation of 0.30 ± 0.03 in magnitude. Previous independent studies produced inconsistent results that differ from this finding.[2]
References
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