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| work = JPL Small-Body Database Browser |
| work = JPL Small-Body Database Browser |
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| publisher = [[NASA Jet Propulsion Laboratory]] |
| publisher = [[NASA Jet Propulsion Laboratory]] |
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| url = |
| url = https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=264 |
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| accessdate= 11 May 2016 |
| accessdate= 11 May 2016 |
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| postscript= . |
| postscript= . |
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A three-dimensional model of 264 Libussa based on its light curve
| |
| Discovery | |
|---|---|
| Discovered by | C. H. F. Peters |
| Discovery date | 22 December 1886 |
| Designations | |
| (264) Libussa | |
Named after | Libuše |
| Main belt | |
| Orbital characteristics[1] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 123.02 yr (44934 d) |
| Aphelion | 3.1799 AU (475.71 Gm) |
| Perihelion | 2.41375 AU (361.092 Gm) |
| 2.79681 AU (418.397 Gm) | |
| Eccentricity | 0.13696 |
| 4.68 yr (1708.4 d) | |
Average orbital speed | 17.81 km/s |
| 254.88° | |
| 0° 12m 38.592s / day | |
| Inclination | 10.426° |
| 49.608° | |
| 340.891° | |
| Physical characteristics | |
| Dimensions | 50.48±2.7 km |
| 9.2276 h (0.38448 d)[1][2] | |
| 0.2971±0.034 | |
| S | |
| 8.42 | |
Libussa (minor planet designation: 264 Libussa) is a Main belt asteroid that was discovered by C. H. F. Peters on December 22, 1886, in Clinton, New York and was named after Libussa, the legendary founder of Prague.[3] It is classified as an S-type asteroid.
Photometric observations of this asteroid at the Organ Mesa Observatory in Las Cruces, New Mexico, in 2008 gave an asymmetrical, bimodal light curve with a period of 9.2276 ± 0.0002 hours and a brightness variation of 0.33 ± 0.03 in magnitude.[2] Observation from the W. M. Keck Observatory show an angular size of 57 mas, which is close to the resolution limit of the instrument. The estimated maximum size of the asteroid is about 66 ± 7 km. It has an asymmetrical shape with a size ratio of more than 1.22 between the major and minor axes.[4]
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