3753 Cruithne is a Q-type, Aten asteroid in orbit around the Sun in 1:1 orbital resonance with Earth, making it a co-orbital object. It is an asteroid that, relative to Earth, orbits the Sun in a bean-shaped orbit that effectively describes a horseshoe, and that can change into a quasi-satellite orbit.[4] Cruithne does not orbit Earth and at times it is on the other side of the Sun,[5] placing Cruithne well outside of Earth's Hill sphere. Its orbit takes it near the orbit of Mercury and outside the orbit of Mars.[5] Cruithne orbits the Sun in about one Earth year, but it takes 770 years for the series to complete a horseshoe-shaped movement around Earth.[5]
The name Cruithne is from Irish and refers to the early Picts (Old Irish: Cruthin) in the Annals of Ulster[5] and their eponymous king ("Cruidne, son of Cinge") in the Pictish Chronicle.
^For instance, on the British television show Q.I. (Episode 2, Season 1; aired 11 Sept 2003).
^ abcdCite error: The named reference jpldata was invoked but never defined (see the help page).
^Cite error: The named reference geocentric was invoked but never defined (see the help page).
^Christou, A. A.; Asher, D. J. (2011). "A long-lived horseshoe companion to the Earth". Monthly Notices of the Royal Astronomical Society. 414 (4): 2965. arXiv:1104.0036. Bibcode:2011MNRAS.414.2965C. doi:10.1111/j.1365-2966.2011.18595.x. S2CID 13832179.
^ abcdCruithne: Asteroid 3753 Archived 2012-03-02 at the Wayback Machine. Western Washington University Planetarium. Retrieved 27 January 2011.
3753Cruithne is a Q-type, Aten asteroid in orbit around the Sun in 1:1 orbital resonance with Earth, making it a co-orbital object. It is an asteroid...
Cruithne may refer to: Cruthin, also known as Cruithne, a people of early Ireland 3753Cruithne, near-Earth asteroid This disambiguation page lists articles...
other than Earth itself, such as the orbital path of the NEO asteroid 3753Cruithne. Earth trojans, such as 2010 TK7, are NEOs that orbit the Sun (not Earth)...
orbiting a planet but is actually in co-orbit with it. See asteroids 3753 (Cruithne) and 2002 AA29. Sub-orbital flight A launch where a spacecraft approaches...
SO16, 2015 SO2 and possibly 2001 GO2. A broader definition includes 3753Cruithne, which can be said to be in a compound and/or transition orbit, or (85770)...
composition to Pluto, later captured by Neptune. 2006 definition of planet 3753Cruithne Co-orbital configuration Definition of a planet Ecliptic Hill sphere...
point, neither L4 nor L5. Earth has another noted companion, asteroid 3753Cruithne. About 5 km across, it has a peculiar type of orbital resonance called...
Irish: [ˈkruθʲinʲ]; Middle Irish: Cruithnig or Cruithni; Modern Irish: Cruithne [ˈkɾˠɪ(h)nʲə]) were a people of early medieval Ireland. Their heartland...
an asteroid designation mistakenly given to the Rosetta spacecraft 3753Cruithne 2020 SO Space debris Also orbiting the Earth are the Kordylewski clouds:...
certain planet but is actually in co-orbit with the planet. See asteroids 3753Cruithne and 2002 AA29. Libration point orbits such as halo orbits and Lissajous...
written 2013 BS45) is a horseshoe companion to the Earth like 3753Cruithne. Like Cruithne, it does not orbit the Earth in the normal sense and at times...
due to orbital resonance, such as Jupiter and its trojans, Earth and 3753Cruithne, or Neptune and the plutinos. As to the extent of orbit clearing required...
are known, locked into a 1:1 resonance with the Earth. The first was 3753Cruithne, discovered in 1986. Asteroids that have a 1:1 orbital resonance with...
Patroclus with its satellite Menoetius in 2033. Spaceflight portal 3753Cruithne, an asteroid which periodically has gravitational slingshot encounters...
Earth's equator There are a number of near-Earth asteroids, including 3753Cruithne, that are co-orbital with Earth: their orbits bring them close to Earth...
5° per year. 1685 Toro, an asteroid in 5:8 resonance with the Earth 3753Cruithne, an asteroid in 1:1 resonance with the Earth Arnold tongue Commensurability...
Earth also has more than 20 known co-orbitals, including the asteroids 3753Cruithne and 469219 Kamoʻoalewa, and the occasional temporary satellite, like...
not occupy Lagrange points. Known objects on horseshoe orbits include 3753Cruithne with Earth, and Saturn's moons Epimetheus and Janus. Lagrange points...
A. Barucci 3554 Amun 1986 Carolyn S. Shoemaker, Eugene M. Shoemaker 3753Cruithne 1986 J. Duncan Waldron 5381 Sekhmet 1991 Carolyn S. Shoemaker 136818...
orbits that are co-orbital with Earth or another planet. Examples are 3753Cruithne and 2002 AA29. The first instance of this type of orbital arrangement...
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