320 Katharina

Katharina (minor planet designation: 320 Katharina) is a small Main belt asteroid orbiting in the Eos family of asteroids, including 513 Centesima and 221 Eos.[1] It was discovered by Johann Palisa on 11 October 1891 in Vienna. It is named after the discoverer's mother.[2]

320 Katharina

Discovery
Discovered by	Johann Palisa
Discovery date	11 October 1891
Designations
MPC designation	(320) Katharina
Minor planet category	Main belt (Eos)
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc	108.42 yr (39602 d)
Aphelion	3.36300 AU (503.098 Gm)
Perihelion	2.6595 AU (397.86 Gm)
Semi-major axis	3.01122 AU (450.472 Gm)
Eccentricity	0.11682
Orbital period	5.23 yr (1908.6 d)
Mean anomaly	315.691°
Mean motion	0° 11^m 19.036^s / day
Inclination	9.3783°
Longitude of ascending node	219.929°
Argument of perihelion	150.129°
Physical characteristics
Dimensions	17 - 37 km
Rotation period	6.893 h (0.2872 d)
Geometric albedo	0.3207-0.0677
Absolute magnitude (H)	10.8

References

1. "320 Katharina". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 11 May 2016.
2. Schmadel, Lutz D. (2007). "(320) Katharina". Dictionary of Minor Planet Names – (320) Katharina. Springer Berlin Heidelberg. p. 42. doi:10.1007/978-3-540-29925-7_321. ISBN 978-3-540-00238-3.

External links

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