| 词条 | 428 Monachia |
| 释义 |
| minorplanet=yes | background=#D6D6D6 | name=428 Monachia | discoverer=Walther Villiger | discovered=18 November 1897 | mpc_name=(428) Monachia | alt_names=1897 DK; 1946 UL; 1949 OE; 1953 TN3; 1974 XU | named_after=Munich | mp_category=Main belt (Flora family) | epoch=31 July 2016 (JD 2457600.5) | semimajor={{Convert|2.30792|AU|Gm|abbr=on}} | perihelion={{Convert|1.89497|AU|Gm|abbr=on}} | aphelion={{Convert|2.72087|AU|Gm|abbr=on|lk=on}} | eccentricity=0.17893 | period=3.51 yr (1280.6 d) | inclination=6.19903° | asc_node=17.6267° | arg_peri=15.4466° | mean_anomaly=327.639° | dimensions={{val|17.65|1.3|ul=km}}[1] 18 km[1] | mass= | density= | rotation={{Convert|3.6342|+/-|0.0002|h|d|abbr=on|lk=on}} | spectral_type= | abs_magnitude=12.0 | albedo={{val|0.1142|0.018}},[1] 0.114[1] | mean_motion={{Deg2DMS|0.281108|sup=ms}} / day | orbit_ref=[2] | observation_arc=117.50 yr (42917 d) | uncertainty=0 }}Monachia (minor planet designation: 428 Monachia) is an asteroid orbiting within the Flora family in the Main Belt. It was discovered by Walther Villiger on 18 November 1897 in Munich, Germany. It was his only asteroid discovery. The asteroid's name comes from the Latin name for Munich.[3] References1. ^1 Supplemental IRAS Minor Planet Survey {{webarchive |url=https://archive.is/20060623213811/http://www.psi.edu/pds/archive/astdata04/simps04/diamalb.tab |date=June 23, 2006 }} 2. ^1 2 {{Cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=428;cad=1 |title=428 Monachia (1897 DK) |work=JPL Small-Body Database |publisher=NASA/Jet Propulsion Laboratory |access-date=10 May 2016}} 3. ^{{cite book|author=Lutz D. Schmadel|title=Dictionary of Minor Planet Names|url=https://books.google.com/books?id=uwGbkbhMVyAC|edition=Addendum to Fifth Edition: 2006–2008|year=2011|publisher=Springer|isbn=978-3-642-01966-1}} }} External links
5 : Flora asteroids|Minor planets named for places|Named minor planets|Astronomical objects discovered in 1897|Discoveries by Walter Villiger |
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