Astronomy:350 Ornamenta
.png) A three-dimensional model of 350 Ornamenta based on its light curve | |
| Discovery | |
|---|---|
| Discovered by | Auguste Charlois |
| Discovery date | 14 December 1892 |
| Designations | |
| (350) Ornamenta | |
| Pronunciation | /ˌɔːrnəˈmɛntə/ |
| 1892 U | |
| Minor planet category | Main belt |
| Orbital characteristics[1] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 123.34 yr (45051 d) |
| |{{{apsis}}}|helion}} | 3.6041 astronomical unit|AU (539.17 Gm) |
| |{{{apsis}}}|helion}} | 2.61365 AU (390.996 Gm) |
| 3.10885 AU (465.077 Gm) | |
| Eccentricity | 0.15929 |
| Orbital period | 5.48 yr (2002.2 d) |
| Mean anomaly | 177.109° |
| Mean motion | 0° 10m 47.316s / day |
| Inclination | 24.894° |
| Longitude of ascending node | 90.106° |
| 338.34° | |
| Physical characteristics | |
| Dimensions | 118.35±4.5 km |
| Rotation period | 9.178 h (0.3824 d) |
| Geometric albedo | 0.0566±0.005 |
| C | |
| Absolute magnitude (H) | 8.37 |
Ornamenta (minor planet designation: 350 Ornamenta) is a relatively large main-belt asteroid, measuring 118 km in diameter. It is classified as a C-type asteroid and is probably composed of carbonaceous material.
Ornamenta was discovered by Auguste Charlois on December 14, 1892, in Nice, France . It was named in 1905 in honor of Antoinette Horneman, who was a member of the Société astronomique de France.[2]
During 2002, the asteroid was observed occulting a star. The resulting chords provided a diameter estimate of 99.5 km.[3]
This object is the namesake of a family of 14–93 asteroids that share similar spectral properties and orbital elements; hence they may have arisen from the same collisional event. All members have a relatively high orbital inclination.[4]
References
- ↑ Yeomans, Donald K., "164 Eva", JPL Small-Body Database Browser (NASA Jet Propulsion Laboratory), https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=164, retrieved 11 May 2016.
- ↑ Lutz D. Schmadel (2011). Dictionary of Minor Planet Names (Addendum to Fifth Edition: 2006–2008 ed.). Springer. ISBN 978-3-642-01966-1. https://books.google.com/books?id=uwGbkbhMVyAC.
- ↑ Shevchenko, Vasilij G.; Tedesco, Edward F. (September 2006), "Asteroid albedos deduced from stellar occultations", Icarus 184 (1): 211–220, doi:10.1016/j.icarus.2006.04.006, Bibcode: 2006Icar..184..211S.
- ↑ Novaković, Bojan et al. (November 2011), "Families among high-inclination asteroids", Icarus 216 (1): pp. 69–81, doi:10.1016/j.icarus.2011.08.016, Bibcode: 2011Icar..216...69N.
External links
- 350 Ornamenta at AstDyS-2, Asteroids—Dynamic Site
- 350 Ornamenta at the JPL Small-Body Database
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