Orbital may refer to:

Sciences

Chemistry and physics

Atomic orbital In quantum mechanics, an atomic orbital () is a Function (mathematics), function describing the location and Matter wave, wave-like behavior of an electron in an atom. This function describes an electron's Charge density, charge distribution a ...

Molecular orbital In chemistry, a molecular orbital is a mathematical function describing the location and wave-like behavior of an electron in a molecule. This function can be used to calculate chemical and physical properties such as the probability of finding ...

Hybrid orbital Hybrid may refer to: Science * Hybrid (biology), an offspring resulting from cross-breeding ** Hybrid grape, grape varieties produced by cross-breeding two ''Vitis'' species ** Hybridity, the property of a hybrid plant which is a union of two diff ...

Astronomy and space flight

Orbit In celestial mechanics, an orbit (also known as orbital revolution) is the curved trajectory of an object such as the trajectory of a planet around a star, or of a natural satellite around a planet, or of an artificial satellite around an ...

Earth orbit Earth orbit may refer to: * Earth's orbit, the orbit of the Earth around the Sun * Low Earth orbit, an orbit around the Earth * Geocentric orbit A geocentric orbit, Earth-centered orbit, or Earth orbit involves any object orbiting Earth, such a ...

Medicine and physiology

Orbit (anatomy) In anatomy Anatomy () is the branch of morphology concerned with the study of the internal structure of organisms and their parts. Anatomy is a branch of natural science that deals with the structural organization of living things. It i ...

, also known as the ''orbital bone'' *

Orbitofrontal cortex The orbitofrontal cortex (OFC) is a prefrontal cortex region in the frontal lobes of the brain which is involved in the cognitive process of decision-making. In non-human primates it consists of the association cortex areas Brodmann area 11, 1 ...

, a part of the brain used for decision making

Business

Orbital Corporation Orbital Corporation Limited (), formerly Orbital Engine Corporation Limited pioneered by Ralph Sarich, is an Australian company based in Balcatta, Western Australia, that aims to provide clean engine technologies and alternative fuel systems ...

, an Australian engine technology company *

Orbital Sciences Corporation Orbital Sciences Corporation (commonly referred to as Orbital) was an American company specializing in the design, manufacture, and launch of small- and medium- class space and launch vehicle systems for commercial, military and other governmen ...

, a U.S. satellite launch and defense systems corporation *

Orbital ATK Orbital ATK Inc. was an American aerospace manufacturer and defense industry company. It was formed in February 9, 2015 from the merger of Orbital Sciences Corporation and parts of Alliant Techsystems (ATK). Orbital ATK designed, built, and de ...

, American aerospace manufacturer formed from the merger of Orbital Sciences Corporation and parts of Alliant Techsystems

Transportation

Ring road A ring road (also known as circular road, beltline, beltway, circumferential (high)way, loop or orbital) is a road or a series of connected roads encircling a town, city or country. The most common purpose of a ring road is to assist in reducin ...

(or ''orbital road'' in some regions) *

Orbital (metro) A circle route (also circumference, loop, ring route, ring line or orbital line) is a public transport route following a path approximating a circle or at least a closed curve. Definition The expression "circle route" may refer in particular ...

, a rapid transit line usually encircling a city centre *

Orbital engine The Sarich orbital engine is a type of internal combustion engine, invented in 1972 by Ralph Sarich, an engineer from Perth, Australia, which features orbital rather than reciprocating motion of its central piston. It differs from the conceptual ...

Other uses

* ''Orbital'' (novel), a 2023 novel by Samantha Harvey *

Orbital (The Culture) The Culture is a fictional interstellar post-scarcity civilisation or society created by the Scottish writer Iain Banks and features in a number of his space opera novels and works of short fiction, collectively called the ''Culture'' series. ...

, artificial worlds from Iain M. Banks's series of science fiction novels, the Culture *

Orbital (band) Orbital are an English electronic music duo from Dunton Green, Kent, England, consisting of brothers Phil and Paul Hartnoll. The band's name is taken from Greater London's orbital motorway, the M25 motorway, M25, which was central to the early ...

, an English electronic dance music duo, whose first single was 'Chime'

989 Year 989 ( CMLXXXIX) was a common year starting on Tuesday of the Julian calendar. Events By place Byzantine Empire * Emperor Basil II uses his contingent of 6,000 Varangians to help him defeat Bardas Phokas (the Younger), who suffe ...

** ''Orbital'' (1991 album) ** ''Orbital'' (1993 album) * ''Orbital'' (comics), a Franco-Belgian science fiction comics series * Orbital piercing