| 词条 | 320 Katharina |
| 释义 |
| minorplanet=yes | background=#D6D6D6 | name=320 Katharina | discoverer=Johann Palisa | discovered=11 October 1891 | mpc_name=(320) Katharina | alt_names= | mp_category=Main belt (Eos) | epoch=31 July 2016 (JD 2457600.5) | semimajor={{Convert|3.01122|AU|Gm|abbr=on}} | perihelion={{Convert|2.6595|AU|Gm|abbr=on}} | aphelion={{Convert|3.36300|AU|Gm|abbr=on|lk=on}} | eccentricity=0.11682 | period=5.23 yr (1908.6 d) | inclination=9.3783° | asc_node=219.929° | arg_peri=150.129° | mean_anomaly=315.691° | dimensions=17 - 37 km | mass= | density= | rotation={{Convert|6.893|h|d|abbr=on|lk=on}} | spectral_type= | abs_magnitude=10.8 | albedo=0.3207-0.0677 | mean_motion={{Deg2DMS|0.188621|sup=ms}} / day | orbit_ref=[1] | observation_arc=108.42 yr (39602 d) | uncertainty=0 }}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] References1. ^1 {{Cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=320;cad=1 |title=320 Katharina |work=JPL Small-Body Database |publisher=NASA/Jet Propulsion Laboratory |access-date=11 May 2016}} 2. ^{{cite book |title= Dictionary of Minor Planet Names – (320) Katharina |last = Schmadel | first = Lutz D. |publisher = Springer Berlin Heidelberg |page = 42 |date = 2007 |isbn = 978-3-540-00238-3 |doi = 10.1007/978-3-540-29925-7_321 |chapter = (320) Katharina }} External links
5 : Eos asteroids|Discoveries by Johann Palisa|Minor planets named for people|Named minor planets|Astronomical objects discovered in 1891 |
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