224 Oceana

Short description: Main-belt asteroid

224 Oceana

Orbital diagram

Discovery
Discovered by| Johann Palisa
Discovery date| 30 March 1882
Designations

MPC designation

| (224) Oceana
Pronunciation| /oʊʃiːˈeɪnə/,[1] /oʊʃiːˈɑːnə/[2]
Named after| Pacific Ocean

Alternative designations

| A882 FA, 1899 EA
1933 HO
Minor planet category| Main belt
Orbital characteristics[3]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc| 117.02 yr (42742 d)
|{{{apsis}}}|helion}}| 2.75930 astronomical unit|AU (412.785 Gm)
|{{{apsis}}}|helion}}| 2.53086 AU (378.611 Gm)

Semi-major axis

| 2.64508 AU (395.698 Gm)
Eccentricity| 0.043182
Orbital period| 4.30 yr (1571.3 d)
Average Orbital speed| 18.31 km/s
Mean anomaly| 1.46287°
Mean motion| 0° 13m 44.8s / day
Inclination| 5.84243°
Longitude of ascending node| 352.815°

|{{{apsis}}}|helion}}

| 284.346°
Physical characteristics
Dimensions| 61.82±2.1 km
Rotation period| 9.401 h (0.3917 d)[4][3]
Geometric albedo| 0.1694±0.012

Spectral type

| M
Absolute magnitude (H)| 8.59

Oceana (minor planet designation: 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.[4]

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

1. ↑ Oceana (3rd ed.), Oxford University Press, September 2005, http://oed.com/search?searchType=dictionary&q=Oceana (Subscription or UK public library membership required.)
2. ↑ Noah Webster (1884) A Practical Dictionary of the English Language
3. ↑ 3.0 3.1 "224 Oceana". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=224;cad=1.
4. ↑ 4.0 4.1 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 38 (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 )
* 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
* Ephemeris * Observation prediction * Orbital info * Proper elements * Observational info
* 224 Oceana at the JPL Small-Body Database
* Close approach * Discovery * Ephemeris * Orbit diagram * Orbital elements * Physical parameters

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