View source for Astronomy:649 Josefa

{{Infobox planet
 | minorplanet= yes
 | background= #D6D6D6
 | name= 649 Josefa
 | mpc_name= (649) Josefa
 | alt_names= 1907 AF
 | discoverer= [[Biography:August Kopff|August Kopff]]
 | discovered= 11 September 1907
 | discovery_site= Heidelberg
 | epoch= 31 July 2016 ([[Astronomy:Julian day|JD]] 2457600.5)
 | eccentricity= 0.27852
 | semimajor= {{Convert|2.5463|AU|Gm|abbr=on}}
 | perihelion= {{Convert|1.8371|AU|Gm|abbr=on}}
 | aphelion= {{Convert|3.2555|AU|Gm|abbr=on|lk=on}}
 | period= 4.06 [[Astronomy:Julian year|yr]] (1484.1 [[Astronomy:Julian year|d]])
 | inclination= 12.715°
 | asc_node= 357.035°
 | arg_peri= 349.562°
 | mean_anomaly= 273.84[[Degree (angle)|°]]
 | mean_motion= {{Deg2DMS|0.24257|sup=ms}} / day
 | orbit_ref= <ref name="jpldata">{{Cite web |url=https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=649;cad=1 |title=649 Josefa (1907 AF) |work=[[Astronomy:JPL Small-Body Database|JPL Small-Body Database]] |publisher=[[Organization:NASA|NASA]]/[[Organization:Jet Propulsion Laboratory|Jet Propulsion Laboratory]] |access-date=5 May 2016}}</ref>
 | observation_arc= 108.60 yr (39665 d)
 | uncertainty= 0
 | abs_magnitude= 12.7
 | rotation= {{Convert|10.481|h|d|abbr=on|lk=on}}
}}

'''649 Josefa''' is a [[Astronomy:Minor planet|minor planet]], specifically an [[Astronomy:Asteroid|asteroid]], orbiting primarily in the [[Astronomy:Asteroid belt|asteroid belt]]. [[Astronomy:Photometry|Photometric]] observations provide a [[Rotation period|rotation period]] of {{val|10.481|0.001|u=hours|fmt=commas}} with a brightness variation of {{val|0.33|0.04}} in [[Astronomy:Apparent magnitude|magnitude]].<ref name=Pilcher2010/>

==References==
{{Reflist|refs=

<ref name=Pilcher2010>{{citation
 | title=Rotation Period Determinations for 81 Terpsichore, 419 Aurelia 452 Hamiltonia, 610 Valeska, 649 Josefa, and 652 Jubilatrix
 | last=Pilcher | first=Frederick
 | journal=Minor Planet Bulletin | postscript=.
 | date=April 2010 | bibcode=2010MPBu...37...45P }}</ref>

}}

==External links==
* {{AstDys|649}}
* {{JPL small body}}

{{Small Solar System bodies}}

{{DEFAULTSORT:000649}}
[[Category:Background asteroids]]
[[Category:Named minor planets|Josefa]]



{{Sourceattribution|649 Josefa}}