Astronomy:559 Nanon

559 Nanon

Discovery
Discovered by	M. F. Wolf
Discovery site	Heidelberg Observatory
Discovery date	8 March 1905
Designations
MPC designation	(559) Nanon
Pronunciation	German: [ˈnaːnɔn]
Alternative designations	1905 QD
Orbital characteristics
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc	111.11 yr (40584 d)
|{{{apsis}}}|helion}}	2.8938 astronomical unit|AU (432.91 Gm)
|{{{apsis}}}|helion}}	2.5311 AU (378.65 Gm)
Semi-major axis	2.7124 AU (405.77 Gm)
Eccentricity	0.066852
Orbital period	4.47 yr (1631.7 d)
Mean anomaly	289.44°
Mean motion	0° 13m 14.268s / day
Inclination	9.3018°
Longitude of ascending node	112.134°
|{{{apsis}}}|helion}}	128.450°
Physical characteristics
Mean radius	39.91±1.35 km
Rotation period	10.059 h (0.4191 d)
Geometric albedo	0.0500±0.004
Absolute magnitude (H)	9.6

Nanon (minor planet designation: 559 Nanon) is a minor planet orbiting the Sun. At the time of its discovery, Max Wolf was habitually naming asteroids after operatic heroines, suggesting is it most likely named after the lead character of Nanon, an 1877 opera by Richard Genée.

External links

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