654 Zelinda: Difference between revisions
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Revision as of 16:42, 19 July 2013
| Discovery | |
|---|---|
| Discovered by | August Kopff |
| Discovery site | Heidelberg |
| Discovery date | January 4, 1908 |
| Designations | |
| 1908 BM | |
| Orbital characteristics | |
| Epoch October 10, 1999 (JDCT 2451461.5) | |
| Aphelion | 2.829 AU |
| Perihelion | 1.765 AU |
| 2.297 AU | |
| Eccentricity | 0.232 |
| 3.481 a | |
| 113.367° | |
| Inclination | 18.118° |
| 278.612° | |
| 214.078° | |
| Physical characteristics | |
| Dimensions | 127.83 ± 5.23[1] km |
| Mass | (1.35 ± 0.14) × 1018[1] kg |
Mean density | 1.23 ± 0.19[1] g/cm3 |
654 Zelinda is a minor planet orbiting the Sun that was discovered on January 4, 1908 by German astronomer August Kopff. On favorable oppositions, it can be as bright as magnitude 10.0, as on January 30, 2016.
In 1988, this object was detected with radar from the Arecibo Observatory at a distance of 0.89 AU. The measured radar cross-section was 2,200 km2.[2] Measurements made using the adaptive optics system at the W. M. Keck Observatory give a diameter estimate of 131 km. This is 13% smaller than the diameter estimated from the IRAS observatory measurements. It is roughly triangular in shape.[3]
References
- ^ a b c Carry, B. (2012), "Density of asteroids", Planetary and Space Science, vol. 73, p. 98-118, arXiv:1203.4336, Bibcode:2012P&SS...73...98C, doi:10.1016/j.pss.2012.03.009.
{{citation}}: Unknown parameter|month=ignored (help) See Table 1. - ^ Ostro, S. J.; et al. (1991), "Asteroid radar astrometry", Astronomical Journal, vol. 102, p. 1490–1502, Bibcode:1991AJ....102.1490O, doi:10.1086/115975.
{{citation}}: Unknown parameter|month=ignored (help) - ^ Marchis, F.; et al. (2006), "Shape, size and multiplicity of main-belt asteroids. I. Keck Adaptive Optics survey", Icarus, vol. 185, no. 1, pp. 39–63, Bibcode:2006Icar..185...39M, doi:10.1016/j.icarus.2006.06.001, retrieved 2013-03-27.
{{citation}}: Unknown parameter|month=ignored (help)
External links
_mathilde.jpg){kind=small} | This article about an asteroid native to the asteroid belt is a stub. You can help Wikipedia by expanding it. |