215 Oenone

Oenone (minor planet designation: 215 Oenone) is a typical Main belt asteroid.

215 Oenone

Discovery
Discovered by	Viktor Knorre
Discovery date	7 April 1880
Designations
MPC designation	(215) Oenone
Pronunciation	/iːˈnoʊniː/[1]
Named after	Oenōnē
Minor planet category	Main belt
Orbital characteristics[2]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc	110.31 yr (40289 d)
Aphelion	2.86620 AU (428.777 Gm)
Perihelion	2.66563 AU (398.773 Gm)
Semi-major axis	2.76592 AU (413.776 Gm)
Eccentricity	0.036257
Orbital period	4.60 yr (1680.2 d)
Average orbital speed	17.91 km/s
Mean anomaly	90.9597°
Mean motion	0° 12^m 51.343^s / day
Inclination	1.68583°
Longitude of ascending node	25.0036°
Argument of perihelion	315.903°
Physical characteristics
Dimensions	35.51±0.9 km
Mass	'
Rotation period	27.937 h (1.1640 d)
Geometric albedo	0.2044±0.011
Temperature	unknown
Absolute magnitude (H)	9.4

It was discovered by Viktor Knorre on April 7, 1880, in Germany. It was the second of his four asteroid discoveries.

It was named after Oenone, a nymph in Greek mythology.

References

1. Noah Webster (1884) A Practical Dictionary of the English Language
2. "215 Oenone". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 12 May 2016.

• The Asteroid Orbital Elements Database
• Minor Planet Discovery Circumstances

External links

• 215 Oenone at AstDyS-2, Asteroids—Dynamic Site
  • Ephemeris · Observation prediction · Orbital info · Proper elements · Observational info
• 215 Oenone at the JPL Small-Body Database
  • Close approach · Discovery · Ephemeris · Orbit diagram · Orbital elements · Physical parameters