 Orbital diagram | |
| Discovery | |
|---|---|
| Discovered by | Johann Palisa |
| Discovery date | 30 March 1882 |
| Designations | |
| MPC designation | (224) Oceana |
| Pronunciation | /oʊʃiːˈeɪnə/, /oʊʃiːˈɑːnə/ |
| Named after | Pacific Ocean |
| Alternative designations | A882 FA, 1899 EA 1933 HO |
| Minor planet category | Main belt |
| Orbital characteristics | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 117.02 yr (42742 d) |
| Aphelion | 2.75930 AU (412.785 Gm) |
| Perihelion | 2.53086 AU (378.611 Gm) |
| Semi-major axis | 2.64508 AU (395.698 Gm) |
| Eccentricity | 0.043182 |
| Orbital period (sidereal) | 4.30 yr (1571.3 d) |
| Average orbital speed | 18.31 km/s |
| Mean anomaly | 1.46287° |
| Mean motion | 0° 13 44.8 / day |
| Inclination | 5.84243° |
| Longitude of ascending node | 352.815° |
| Argument of perihelion | 284.346° |
| Physical characteristics | |
| Dimensions | 61.82±2.1 km |
| Synodic rotation period | 9.401 h (0.3917 d) |
| Geometric albedo | 0.1694±0.012 |
| Spectral type | M |
| Absolute magnitude (H) | 8.59 |
224 Oceana is an asteroid from the asteroid belt. It was discovered by Austrian astronomer Johann Palisa on 30 March 1882, in Vienna. It was named after the Pacific Ocean. Based upon its spectrum, it is classified as an M-type asteroid, but is not metallic.
A light curve generated from photometric observations of this asteroid at Pulkovo Observatory show a rotation period of 9.401 ± 0.001 hours and a brightness variation of 0.09 ± 0.01 in magnitude.
224 Oceana was one of five minor planets included in the 1993 study, Transition Comets -- UV Search for OH Emissions in Asteroids, which was research involving amateur astronomers who were permitted to make use of the Hubble Space Telescope.
References
- "Oceana". Oxford English Dictionary (Online ed.). Oxford University Press. (Subscription or participating institution membership required.)
- Noah Webster (1884) A Practical Dictionary of the English Language
- ^ "224 Oceana". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Archived from the original on 20 September 2020. Retrieved 12 May 2016.
- ^ Pilcher, Frederick (October 2011), "Rotation Period Determinations for 11 Parthenope, 38 Leda, 111 Ate 194 Prokne, 217 Eudora, and 224 Oceana", The Minor Planet Bulletin, vol. 38, no. 4, pp. 183–185, Bibcode:2011MPBu...38..183P.
External links
- Lightcurve plot of 224 Oceana, Palmer Divide Observatory, B. D. Warner (2006)
- Asteroid Lightcurve Database (LCDB), query form (info Archived 16 December 2017 at the Wayback Machine)
- Dictionary of Minor Planet Names, Google books
- Asteroids and comets rotation curves, CdR – Observatoire de Genève, Raoul Behrend
- Discovery Circumstances: Numbered Minor Planets (1)-(5000) – Minor Planet Center
- 224 Oceana at AstDyS-2, Asteroids—Dynamic Site
- 224 Oceana at the JPL Small-Body Database
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