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Effect of tidal forces on an orbiting body
Tidal circularization or orbital circularization is an effect of the tidal forces between a body in orbit around a central celestial object, whereby the
Tidal_circularization
Orbital and friction heating on a planet or moon oceans, or interior
orbit (tidal circularization) and the rotational periods of the two bodies adjust towards matching the orbital period (tidal locking). Sustained tidal heating
Tidal_heating
Narrow seaway connecting two bodies of water
trap (geology) Tidal circularization Longhitano, Sergio G.; Mellere, Donatella; Steel, Ronald J.; Ainsworth, R. Bruce (April 9, 2012). "Tidal depositional
Tidal_strait
Astronomical phenomenon
"Formation of Hot Planets by a Combination of Planet Scattering, Tidal Circularization, and the Kozai Mechanism". The Astrophysical Journal. 678 (1): 498–508
Planetary_migration
orbits, i.e. very low eccentricity. That is thought to be due to tidal circularization: reduction of eccentricity over time due to gravitational interaction
Exoplanet orbital and physical parameters
Exoplanet_orbital_and_physical_parameters
Moon of dwarf planet Quaoar
collisions with other bodies, gravitational perturbations, slow tidal circularization, or an origin as a collisionally-ejected fragment of Quaoar. Uncertainties
Weywot
White dwarf located in the constellation Draco
higher than the equilibrium temperature of 160 K, indicating that tidal circularization heated the planet during the migration to its current orbit. A search
WD_1856+534
Extrasolar planet in the constellation Microscopium
orbit is also slightly eccentric, which is surprising given the tidal circularization timescale of below 650 million years. The measured temperature on
WASP-7_b
Amount by which an orbit deviates from a perfect circle
near-circular orbits and other unique features. Equation of time Tidal circularization While its orbit was initially hyperbolic, it would be bound to the
Orbital_eccentricity
Hypotheses about Triton's origin
of tidal heating decreases during the circularization process, an ice shell grows atop the liquid water ocean, slowing the rate of cooling; tidal heating
Capture_of_Triton
Satellites that formed around their parent planet
increase a moon's inclination, tidal effects work to eventually decrease it back to a coplanar state. Likewise, tidal circularization acts to decrease the eccentricity
Regular_moon
Eccentric super-Jupiter orbiting Kepler-1704
from its birth orbit to orbit with a periastron just above the tidal circularization distance. Kepler-1704b is much more massive than Jupiter, at 4.51
Kepler-1704b
Star system in the constellation Hercules
of tidal interaction models. The expected tidal circularization and inspiral time for the system, depending on the choice of the values for the tidal quality
TOI-2119
Innermost Galilean moon of Jupiter
activity. Without this forced eccentricity, Io's orbit would circularize through tidal dissipation, leading to a less geologically active world. Like
Io_(moon)
Large plutino with moon
The moon is predicted to have a non-circular orbit due to weak tidal circularization by Achlys. The moon is 5.0±0.3 magnitudes fainter than Achlys, which
208996_Achlys
Region around stars where hot Neptunes are rare
tidal interactions (tidal heating) with its host star. Over time, the planet expands and loses most of its atmosphere, and its orbit becomes tidally circularized
Neptunian_desert
Moon of the dwarf planet Gonggong
initially eccentric orbit or the effects of slow tidal evolution, in which the timescale for orbital circularization is comparable to the age of the Solar System
Xiangliu_(moon)
Supermassive Neptune-sized planet
orbital inclination is aligned with its star's rotation due to tidal interactions. Tidal interactions between the planet and its star are also predicted
TOI-1853_b
Process that leads to gradual decrease of the distance between two orbiting bodies
tidal orbital decay are Mars' moon Phobos, Neptune's moon Triton, and potentially the exoplanet TrES-3b. The opposite effect can occur, where tidal friction
Orbital_decay
Astronomical body that orbits a planet
its planet. This phenomenon comes about through a loss of energy due to tidal forces raised by the planet, slowing the rotation of the satellite until
Natural_satellite
Hot-Jupiter exoplanet orbiting the star HD 185269
about one week. Most hot Jupiters are thought to have undergone tidal circularization, making the eccentricity of HD 185269 b (e=0.3) unusual. Despite
HD_185269_b
Possible dwarf planet
Salacia (0.041±0.004). The Salacia system has undergone enough tidal evolution to circularize its orbit, which matches the low measured eccentricity. The
120347_Salacia
Star in the constellation Virgo
system. Over time, the mutual tidal interaction of the pair may lead to rotational synchronization and orbit circularization. Spica is a polarimetric variable
Spica
Moon of 120347 Salacia
enough tidal evolution to circularize their orbits, which is consistent with the low measured eccentricity, but that the primary need not to be tidally locked
Actaea_(moon)
Super-Earth orbiting LHS 1140
eccentricity is measured to be lower than 0.29 to a 90% confidence. The circularization of the orbit cannot be explained by stellar tides, and thus the circularity
LHS_1140_b
Largest moon of Neptune
interior. This source of internal heat disappeared following tidal locking and circularization of the orbit. Two types of mechanisms have been proposed for
Triton_(moon)
Smaller and outer moon of Mars
from the asteroid belt, with orbits that have been circularized either by atmospheric drag or tidal forces, as capture requires dissipation of energy.
Deimos_(moon)
Binary star in the constellation Fornax
The orbit has been circularized by tidal forces between the stars, but only the more massive component has had its rotation tidally synchronized with the
TZ_Fornacis
Gas giant planet orbiting close to a star
encounter with another massive planet, followed by the circularization and shrinking of the orbits due to tidal interactions with the star. A hot Jupiter's orbit
Hot_Jupiter
Moon of Eris
of Dysnomia suggest that its orbit should have completely circularized through mutual tidal interactions with Eris within timescales of 5–17 million years
Dysnomia_(moon)
Natural satellites of the planet Mars
moons are tidally locked, always presenting the same face towards Mars. Since Phobos orbits Mars faster than the planet itself rotates, tidal forces are
Moons_of_Mars
Volcanism of Io, a moon of Jupiter
eccentricity and prevents tidal dissipation within Io from circularizing its orbit. The eccentricity leads to vertical differences in Io's tidal bulge of as much
Volcanism_on_Io
Super-Earth orbiting Gliese 876
(3.11 million km). At this distance from the star, tidal interactions should in theory circularize the orbit; however, measurements reveal that it has
Gliese_876_d
Geologic structure and composition of Triton
Triton, rapidly differentiating it. As Triton's orbit circularized due to tidal damping, tidal heating from eccentricity disappeared. However, calculated
Geology_of_Triton
Crater on Proteus
fracturing on Proteus may be the result of partial relaxation of Pharos, or tidal stresses from the reorientation of Proteus due to the Pharos impact. The
Pharos_(crater)
Astronomical theory about the Solar System
orbits with a perihelion near the star followed by the circularization of its orbit due to tidal interactions with the star can leave a planet on a close
Nebular_hypothesis
Planet outside of the Solar System
Meadows, V. S.; Kasting, J. F.; Heller, R. (2013). "Tidal Venuses: Triggering a Climate Catastrophe via Tidal Heating". Astrobiology. 13 (3): 225–250. arXiv:1203
Exoplanet
Fifth planet from the Sun
the same point in every orbit it makes. The tidal force from Jupiter, on the other hand, works to circularize their orbits. The eccentricity of their orbits
Jupiter
Largest type of black hole
classifications. First, the tidal forces near the event horizon are significantly weaker for supermassive black holes. The tidal force on a body at a black
Supermassive_black_hole
Super Jupiter orbiting HAT-P-7
turn excited the eccentricity of the primordial planet, until tidal forces circularized the planet's orbit and HAT-P-7b migrated to its current position
HAT-P-7b
Binary star system in the northern constellation of Auriga
Khaliullin, Kh F.; Khaliullina, A. I. (January 2010), "Synchronization and circularization in early-type binaries on main sequence", Monthly Notices of the Royal
Beta_Aurigae
Small moon of Neptune
then accreted from the resulting rubble after Triton's orbit was circularized by tidal deceleration. Among these re-accreted moons are Proteus, the largest
Hippocamp_(moon)
Star in the constellation Taurus
period of 5.96 days and an eccentricity of 0.00. Tidal effects between the pair may have circularized their orbit and slowed their rotation rates – the
136_Tauri
Concepts for launch into space
if launching to low Earth orbit, due to the requirement for orbit circularization, at a minimum entailing approximately 1.5 percent of the total delta-v
Non-rocket_spacelaunch
Binary star system in the constellation Cepheus
Instead, the system displays ellipsoidal light variations that are caused by tidal distortions. This system lies at the center of the young open cluster NGC
DH_Cephei
Moon of Orcus
molten for at least 10,000 years for tidal interactions to tidally lock both components and expand and circularize Vanth's orbit before the present day
Vanth_(moon)
Minor planet found within the inner Solar System
equatorial plane, most probably by a combination of atmospheric drag and tidal forces, although it is not clear whether sufficient time was available for
Asteroid
Layer of gases surrounding an astronomical body held by gravity
gravitational interaction, the orbit of the planet becomes circularized and it is tidally locked into a synchronous rotation with one side constantly
Atmosphere
Binary star system in the constellation Virgo
to the line of sight from the Earth. Tidal theory predicts that eventually the orbit of the stars will circularize and their rotation rates will become
Lambda_Virginis
Genus of single-celled organisms
that the two lineages have different ecophysiology. O. maritima lives in tidal pools with a relatively high salinity and temperature, while O. marina lives
Oxyrrhis
Concept of collecting solar power in outer space and distributing it to Earth
not need to support itself against gravity (other than relatively weak tidal stresses). It needs no protection from terrestrial wind or weather, but
Space-based_solar_power
European space telescope that operated between 2006 - 2014
CoRoT-23b, four hot Jupiters which are on an eccentric orbits, despite circularization is theoretically predicted for such small orbits: this is a clear constraint
CoRoT
the varying tidal pull of Jupiter on Io resulting from Io's Laplace resonance with Europa and Ganymede not allowing its orbit to circularize. Their calculations
Exploration_of_Io
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