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{{Short description|Brown dwarf in the constellation Chamaleon}} ...ref name="Luhman 2004">{{Cite journal|last=Luhman|first=K. L.|date=October 2004|title=The First Discovery of a Wide Binary Brown Dwarf|journal=Astrophysica ...

...body's path. It is usually given in days or years. The term is mostly used in the discovery and tracking of [[asteroids]] and [[comets]]. Arc length has ...e a 1 km main-belt asteroid. With an observation arc of 3 days, {{mpl|2004 BX|159}} was thought to be a [[Mars-crossing asteroid]] that could be a thr ...

| discovered = 5 April 2000 ...belt]]{{·}}[[Koronis family|Koronis]]<ref name="lcdb" /><ref name="Tamblyn-2004" /> ...

{{Short description|Variable star in the constellation Orion}} ...msu.su/groups/cluster/gcvs/gcvs/iii/iii.dat |date=2017-06-20 }}, Sternberg Astronomical Institute, Moscow, Russia. Accessed on line December 8, 2008.</ref> ...

{{Short description|Small temporary satellite of Earth that impacted in 2015}} | discovered = {{Ubl ...

| caption = S/2002 N 5 imaged by the [[Very Large Telescope]] in September 2002 | discovered = 14 August 2002 ...

| discovered = 24 February 2009 | aphelion = 1.7361&nbsp;[[Astronomical unit|AU]] ...

{{Short description|Binary star in the constellation Cetus}} '''Mu Ceti''' (μ Ceti) is a [[binary star]] in the [[constellation]] [[Cetus]], the whale, close to [[Pisces (constellatio ...

...ilson Award in Spectroscopy]] {{small|(2002)}}<br/>[[Davy Medal]] {{small|(2004)}} ...is a Japanese-American [[spectroscopist]] and [[astronomer]] specializing in the field of [[galactic astronomy]], known as a pioneer of [[astrochemistry ...

{{Short description|F-type star in the constellation Cetus}} | image =[[File:HD 984 in SDSS.png|240px]] ...

| discovered = 13 November 2005 ...ems formed similarly, most likely by a [[Impact event|giant impact]] early in the Solar System's history.<ref name="Brown2023"/> Compared to Orcus, Vanth ...

{{Short description|Star in the constellation Pictor}} | caption = Location of HD 40307 in the night sky. The star is marked within the red diamond below the word "Pi ...

...ravitational force from the supermassive black hole keeps the stars moving in very tight orbits about the center of the cluster. ...is happens when two SMBHs in a binary system coalesce, after losing energy in the form of [[gravitational wave]]s. Because the gravitational waves are no ...

{{Short description|Binary star in the constellation Dorado}} '''WOH G64''' ('''IRAS 04553-6825''') is a [[symbiotic binary]] in the [[Large Magellanic Cloud]] (LMC), roughly 160,000 [[light-year]]s from ...

{{Short description|Multiple star system in the constellation Puppis}} ...41700''' is a star system that lies approximately 88 [[light-years]] away in the constellation of Puppis. The system consists of two bright stars where ...

{{short description|Star in the constellation Cygnus}} ...tars|massive]] cool hypergiants, as well as one of the most luminous stars in the [[Milky Way]]. ...

{{Short description|Concept in astronomy}} ...ndicative of the presence of a central mass. The ''M–σ'' relation is shown in blue.]] ...

{{Short description|Dwarf planet in the scattered-disc}} | discovered = 17 July 2007 ...

{{Short description|Ringed dwarf planet in the Kuiper belt}} | discovered = 4 June 2002 ...

...body]] of the [[Solar System]] – thus completing a full cycle of [[season|astronomical season]]s. For example, it is the time from [[March equinox|vernal equinox] ...around the Sun as measured with respect to the [[fixed stars]], resulting in a duration of 20 [[minute (time)|minute]]s longer than the tropical year, b ...