About: 2015 XX169

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http://dbpedia.org/describe/?url=http%3A%2F%2Fdbpedia.org%2Fresource%2F2015_XX169

2015 XX169 (also written 2015 XX169) is an Apollo asteroid that is a temporary horseshoe companion to the Earth, the tenth known Earth horseshoe librator. A close encounter with the Earth on 14 December 2015 caused the value of the semi-major axis of 2015 XX169 to drift slowly upwards, and the object evolved from an Aten asteroid to an Apollo asteroid about a year after this close approach.

Attributes	Values
rdf:type	Thing place dbo:Location schema:Place celestial body Planet planet
rdfs:label	2015 XX169 (en) 2015 XX169 (fr)
rdfs:comment	2015 XX169 (also written 2015 XX169) is an Apollo asteroid that is a temporary horseshoe companion to the Earth, the tenth known Earth horseshoe librator. A close encounter with the Earth on 14 December 2015 caused the value of the semi-major axis of 2015 XX169 to drift slowly upwards, and the object evolved from an Aten asteroid to an Apollo asteroid about a year after this close approach. (en) 2015 XX169 est un astéroïde Apollon, compagnon de la Terre temporairement sur une orbite en fer à cheval, le dixième librateur connu sur une orbite en fer à cheval par rapport à la Terre. Son passage près de la Terre le 14 décembre 2015 a fait que la valeur du demi-grand axe de 2015 XX169 a légèrement augmenté, faisant passer cet astéroïde de la catégorie des astéroïdes Aton à celle des astéroïdes Apollon environ un an après ce passage rapproché. (fr)
dcterms:subject	Apollo asteroids Astronomical objects discovered in 2015 Earth-crosser asteroids Earth co-orbital asteroids Minor planet object articles (unnumbered)
Wikipage page ID	49694431 (xsd:integer)
Wikipage revision ID	1122863899 (xsd:integer)
Link from a Wikipage to another Wikipage	Degree (angle) Apollo asteroid Julian day List of Earth-crossing minor planets Day Apollo asteroids Astronomical objects discovered in 2015 Earth-crosser asteroids Earth co-orbital asteroids Mount Lemmon Observatory Minor planet object articles (unnumbered) Horseshoe orbit 3753 Cruithne 54509 YORP Absolute magnitude Earth Asteroid Astronomical naming conventions Astronomical unit Aten asteroid Co-orbital configuration Year Observation arc Mount Lemmon Survey
Link from a Wikipage to an external page	http://sciencythoughts.blogspot.com.es/2015/12/asteroid-2015-xx169-passes-earth.html http://adsabs.harvard.edu/abs/2015MPEC....X..134S http://adsabs.harvard.edu/abs/2016Ap%26SS.361..121D http://www.minorplanetcenter.net/db_search/show_object%3Futf8=%E2%9C%93&object_id=2015+XX169 http://www.minorplanetcenter.net/mpec/K15/K15XD4.html http://adsabs.harvard.edu/abs/2000Icar..144....1C http://adsabs.harvard.edu/abs/2000Sci...288.2190B http://adsabs.harvard.edu/abs/2002Icar..156..399B http://adsabs.harvard.edu/abs/2004Icar..171..102B
sameAs	2015 XX169 2015 XX169 2015 XX169 2015 XX169 2015 XX169
dbp:wikiPageUsesTemplate	dbt:2015_in_space dbt:ESA-SSA dbt:Efn dbt:Infobox_planet dbt:JPL_small_body dbt:Mp dbt:Mpl dbt:NeoDys dbt:Notelist dbt:Reflist dbt:Small_Solar_System_bodies dbt:Use_dmy_dates
abs magnitude	27.400000 (xsd:double)
aphelion	1.18545 (astronomicalUnit)
arg peri	283.587000 (xsd:double)
asc node	256.630000 (xsd:double)
bgcolour	#FFC2E0 (en)
dimensions	-1320.0 (second)
discovered	2015-12-09 (xsd:date)
discoverer	Mount Lemmon Survey R. G. Matheny (en)
discovery site	Mount Lemmon Observatory
eccentricity	0.184310 (xsd:double)
epoch	2017-02-16 (xsd:date)
inclination	7.640000 (xsd:double)
mean anomaly	345.528000 (xsd:double)
moid	0.0154 (astronomicalUnit)
mp category	Apollo asteroid List of Earth-crossing minor planets (en)
observation arc	3.13632E7 (second)
perihelion	0.81648 (astronomicalUnit)
period	3.1604620824E7 (second)
semimajor	1.00097 (astronomicalUnit)
uncertainty	1 (xsd:integer)
has abstract	2015 XX169 (also written 2015 XX169) is an Apollo asteroid that is a temporary horseshoe companion to the Earth, the tenth known Earth horseshoe librator. A close encounter with the Earth on 14 December 2015 caused the value of the semi-major axis of 2015 XX169 to drift slowly upwards, and the object evolved from an Aten asteroid to an Apollo asteroid about a year after this close approach. (en) 2015 XX169 est un astéroïde Apollon, compagnon de la Terre temporairement sur une orbite en fer à cheval, le dixième librateur connu sur une orbite en fer à cheval par rapport à la Terre. Son passage près de la Terre le 14 décembre 2015 a fait que la valeur du demi-grand axe de 2015 XX169 a légèrement augmenté, faisant passer cet astéroïde de la catégorie des astéroïdes Aton à celle des astéroïdes Apollon environ un an après ce passage rapproché. (fr)
prov:wasDerivedFrom	wikipedia-en:2015_XX169?oldid=1122863899&ns=0
apoapsis (km)	1.77340795821315E8 (kilometre)
orbital period (μ)	365.79 (day)
periapsis (km)	1.22143669469136E8 (kilometre)
page length (characters) of wiki page	7261 (xsd:nonNegativeInteger)
absolute magnitude	27.400000 (xsd:double)
apoapsis (μ)	177340795821.315002 (xsd:double)

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