914 Palisana
Discovery | |
---|---|
Discovered by | Max Wolf |
Discovery site | Heidelberg |
Discovery date | July 4, 1919 |
Designations | |
1919 FN | |
Orbital characteristics | |
Epoch August 18, 2005 (JDCT 2453600.5) | |
Aphelion | 2.982 AU |
Perihelion | 1.934 AU |
2.458 AU | |
Eccentricity | 0.213 |
3.853 a | |
128.752° | |
Inclination | 25.223° |
255.883° | |
48.751° | |
Physical characteristics | |
Dimensions | 81.27 ± 5.34[1] km |
Mass | (2.35 ± 0.24) × 1018[1] kg |
Mean density | 8.36 ± 1.85[1] g/cm3 |
Spectral type | Ch[1] |
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914 Palisana is a minor planet orbiting the Sun. It is named after the Austrian astronomer Johann Palisa.
Measurements using the adaptive optics at the W. M. Keck Observatory give a diameter estimate of 76 km. The size ratio between the major and minor axes is 1.16.[2]
References
- 1 2 3 4 Carry, B. (December 2012), "Density of asteroids", Planetary and Space Science 73, pp. 98–118, arXiv:1203.4336, Bibcode:2012P&SS...73...98C, doi:10.1016/j.pss.2012.03.009. See Table 1.
- ↑ Marchis, F.; et al. (November 2006), "Shape, size and multiplicity of main-belt asteroids. I. Keck Adaptive Optics survey", Icarus 185 (1), pp. 39–63, Bibcode:2006Icar..185...39M, doi:10.1016/j.icarus.2006.06.001, PMC 2600456, PMID 19081813, retrieved 2013-03-27.
External links
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