224 Oceana

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.

DiscoveredbyJohann Palisa

Discoverydate30 March 1882

MPCdesignation

(224) Oceana

Pronunciation/oʊʃiːˈeɪnə/,^[1] /oʊʃiːˈɑːnə/^[2]

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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)
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° 13m 44.8s / 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)[4][3]
Geometric albedo	0.1694±0.012
Spectral type	M
Absolute magnitude (H)	8.59

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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.