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searching for Mean motion 84 found (3784 total)

Co-orbital configuration (1,828 words) [view diff] no match in snippet view article find links to article

or very similar, distance from their primary; i.e., they are in a 1:1 mean-motion resonance. (or 1:-1 if orbiting in opposite directions). There are several

Kirkwood gap (1,024 words) [view diff] no match in snippet view article find links to article

asteroid families). Most of the Kirkwood gaps are depleted, unlike the mean-motion resonances (MMR) of Neptune or Jupiter's 3:2 resonance, that retain objects

Wave action (continuum mechanics) (797 words) [view diff] exact match in snippet view article

moving medium. While the total energy (the sum of the energies of the mean motion and of the wave motion) is conserved for a non-dissipative system, the

Detached object (2,578 words) [view diff] no match in snippet view article find links to article

extreme trans-Neptunian object (ETNOs) may be trapped in the 5:3 and 3:1 mean-motion resonances with a putative Planet Nine with a semimajor axis ~700 AU

HD 5319 b (203 words) [view diff] exact match in snippet view article find links to article

additional planet in the system was discovered in 2015 and may be in a 4:3 mean motion resonance with planet b. Robinson, Sarah E.; et al. (2007). "Two Jovian-Mass

Pandora (moon) (821 words) [view diff] no match in snippet view article

Pandora appears to be chaotic as a consequence of a series of four 118:121 mean-motion resonances with Prometheus. The most appreciable changes in their orbits

82P/Gehrels (411 words) [view diff] no match in snippet view article find links to article

been identified as a quasi-Hilda comet, which means it is near a 3:2 mean-motion resonance with the planet Jupiter. It fits the definition of an Encke-type

Plutino (980 words) [view diff] no match in snippet view article find links to article

plutinos are a dynamical group of trans-Neptunian objects that orbit in 2:3 mean-motion resonance with Neptune. This means that for every two orbits a plutino

Hecuba-gap asteroid (1,002 words) [view diff] exact match in snippet view article find links to article

belt asteroids from the Cybeles. A Hecuba-gap asteroid stays in a 2:1 mean motion resonance with the gas giant Jupiter, which may gradually perturbe its

HD 47366 (639 words) [view diff] exact match in snippet view article find links to article

unstable on the life span of their host star unless they are in a 2:1 mean motion resonance or are on mutually retrograde orbits. In 2019, J. P. Marshall

Resonant trans-Neptunian object (3,229 words) [view diff] no match in snippet view article find links to article

resonant trans-Neptunian object is a trans-Neptunian object (TNO) in mean-motion orbital resonance with Neptune. The orbital periods of the resonant objects

Equant (2,066 words) [view diff] exact match in snippet view article find links to article

the equant – he used expressions such as "the eccentre producing the mean motion". The equant point (shown in the diagram by the large • ), is placed

41 Daphne (814 words) [view diff] exact match in snippet view article find links to article

again until August 31, 1862. The orbit of 41 Daphne places it in a 9:22 mean motion resonance with the planet Mars. The computed Lyapunov time for this asteroid

Tarqeq (451 words) [view diff] no match in snippet view article find links to article

suggesting that gravitational interactions possibly lock Tarqeq in a mean-motion resonance. It has very similar inclination and semi-major axis as Siarnaq

Belinda (moon) (759 words) [view diff] no match in snippet view article

long axis. Its surface is grey in color. Belinda is in a stable 44:43 mean-motion resonance with Perdita, and from this its mass has been determined to

HD 5319 (602 words) [view diff] exact match in snippet view article find links to article

stability of the planetary system indicate that it is likely in a 4:3 mean motion resonance. Previous computer simulations have shown an inability to reproduce

HD 10180 c (164 words) [view diff] exact match in snippet view article find links to article

the system would not be stable. While planet c does not exist in any mean motion resonances, both planets with adjacent orbits (b and d) share near resonances

Kuiper belt (13,248 words) [view diff] no match in snippet view article find links to article

72 AU, far from any mean-motion resonances with Neptune; the outer main asteroid belt exhibits a gap induced by the 5:6 mean-motion resonance with Jupiter

HD 41248 (591 words) [view diff] exact match in snippet view article find links to article

masses 12.3 and 8.6 times that of the Earth. The planets are in a 7:5 mean motion resonance. The existence of the planets has been called into question

Ring system (3,941 words) [view diff] exact match in snippet view article find links to article

such as around the Sun at distances of Mercury, Venus, and Earth, in mean motion resonance with these planets. Evidence suggests that ring systems may

HD 204313 (828 words) [view diff] exact match in snippet view article find links to article

planet d exists, planets b & d are apparently orbiting close to a 7:5 mean motion resonance, which may be stabilizing their periods. A 2015 study independently

K2-19 (808 words) [view diff] exact match in snippet view article find links to article

of which the two larger ones, K2-19b and K2-19c, are close to the 3:2 mean motion resonance. All three planets orbit closer to their star than the planet

HD 45364 (700 words) [view diff] exact match in snippet view article find links to article

pair was initially believed to be orbiting the host star with a 3:2 mean motion resonance, which means the inner planet is completing three orbits for

86 Semele (350 words) [view diff] exact match in snippet view article find links to article

Dionysus in Greek mythology. The orbit of 86 Semele places it in a 13:6 mean motion resonance with the planet Jupiter. The computed Lyapunov time for this

Five-planet Nice model (8,550 words) [view diff] no match in snippet view article find links to article

plus an additional ice giant between Saturn and Uranus in a chain of mean-motion resonances. After the resonance chain is broken, the five giant planets

Arjuna asteroid (363 words) [view diff] no match in snippet view article find links to article

cold group of small NEOs that experience repeated trappings in the 1:1 mean-motion resonance with the Earth. Potential members of the Arjuna group with

50 Virginia (439 words) [view diff] exact match in snippet view article find links to article

change with phase angle. The orbit of 50 Virginia places it in an 11:4 mean motion resonance with the planet Jupiter. The computed Lyapunov time for this

53 Kalypso (478 words) [view diff] exact match in snippet view article find links to article

with Calypso, a moon of Saturn. The orbit of 53 Kalypso places it in a mean motion resonance with the planets Jupiter and Saturn. The computed Lyapunov

HD 37605 b (267 words) [view diff] no match in snippet view article find links to article

low-eccentricity orbits near the known planet’s apastron distance, near the 1:2 mean-motion resonance" with oscillating eccentricity up to 0.06, and also at 1:3

70 Panopaea (670 words) [view diff] exact match in snippet view article find links to article

orbital elements of this asteroid. The orbit of 70 Panopaea places it in a mean motion resonance with the planets Jupiter and Saturn. The computed Lyapunov

36 Atalante (641 words) [view diff] no match in snippet view article find links to article

was observed by Arecibo radar in October 2010. This asteroid shares a mean-motion resonance with the planets Jupiter and Saturn. The computed Lyapunov

Local standard of rest (712 words) [view diff] exact match in snippet view article find links to article

local standard of rest or LSR is a reference frame which follows the mean motion of material in the Milky Way in the neighborhood of the Sun (stars in

Averaged Lagrangian (3,958 words) [view diff] exact match in snippet view article find links to article

exchange of energy with the mean motion. However the total energy, the sum of the energies in the wave motion and the mean motion, will be conserved for a

(139775) 2001 QG298 (323 words) [view diff] exact match in snippet view article

means that it is in the 3:2 mean motion resonance with Neptune. 2001 QG298 is a small plutino occupying the 3:2 mean motion resonance with Neptune. Its

Astronomical year numbering (1,202 words) [view diff] exact match in snippet view article find links to article

Ante Christum (Before Christ) and Post Christum (After Christ) on the mean motion tables for the Sun, Moon, Saturn, Jupiter, Mars, Venus and Mercury. In

Quasi-Hilda comet (555 words) [view diff] no match in snippet view article find links to article

comets are associated with the Hilda asteroid zone in the 3:2 inner mean-motion resonance with Jupiter. Typically, asteroids in this zone have a semimajor

Dynamical lifetime (122 words) [view diff] exact match in snippet view article find links to article

mean time that a small body can be expected to remain in its current mean motion resonance. Classic examples are comets and asteroids which evolve from

William Fishburn Donkin (560 words) [view diff] case mismatch in snippet view article find links to article

Royal Astronomical Society on The Secular Acceleration of the Moon's Mean Motion (printed in Monthly Notices, R. A. Soc., 1861). He was also a contributor

HD 200964 (794 words) [view diff] no match in snippet view article find links to article

taken stable solutions in the 7:5 and 3:2 mean-motion resonances were found in addition to the 4:3 mean-motion resonance. The 7:5 configuration currently

HD 200964 (794 words) [view diff] no match in snippet view article find links to article

taken stable solutions in the 7:5 and 3:2 mean-motion resonances were found in addition to the 4:3 mean-motion resonance. The 7:5 configuration currently

Samvatsara (603 words) [view diff] exact match in snippet view article find links to article

one sign of the Hindu zodiac (i.e. rashi) to the next relative to its mean motion. The ancient text Surya Siddhanta calculates a samvatsara to be about

Weywot (1,743 words) [view diff] no match in snippet view article find links to article

distance of 4,148 km (2,577 mi), which nearly coincides with the 6:1 mean-motion orbital resonance with Weywot that lies slightly interior to the ring

Grand tack hypothesis (5,403 words) [view diff] no match in snippet view article find links to article

runaway migration. Saturn converged on Jupiter and was captured in a 2:3 mean-motion resonance with Jupiter during this migration. An overlapping gap in the

Sutter's Mill meteorite (1,651 words) [view diff] exact match in snippet view article find links to article

orbital period suggesting that this meteoroid originated in the 3:1 mean motion resonance with Jupiter. The CM chondrite Maribo moved on a similar orbit

Hungaria asteroids (888 words) [view diff] no match in snippet view article find links to article

eccentricity of below 0.18 An inclination of 16° to 34° Approximate mean-motion resonance with Jupiter of 9:2, and with Mars of 2:3 The 4:1 resonance

Planet Nine (19,771 words) [view diff] no match in snippet view article find links to article

unstable due to close approaches to Neptune or were affected by Neptune's mean-motion resonances, Batygin and Brown determined that the arguments of perihelion

XZ Andromedae (707 words) [view diff] no match in snippet view article find links to article

eclipsing binary is orbited by an additional two similar stars in a 1:3 mean-motion resonance with periods 33.43 and 100.4 years. The variability of XZ Andromedae

Nice model (5,838 words) [view diff] no match in snippet view article find links to article

Jupiter and Saturn, the two inmost giant planets, cross their mutual 1:2 mean-motion resonance. This resonance increases their orbital eccentricities, destabilizing

Tidal acceleration (4,808 words) [view diff] exact match in snippet view article find links to article

opposite effect. Edmond Halley was the first to suggest, in 1695, that the mean motion of the Moon was apparently getting faster, by comparison with ancient

Year zero (1,961 words) [view diff] exact match in snippet view article find links to article

and Post Christum—abbreviated BC and AD today, respectively—on the "mean motion" pages of the Sun, Moon, and planets. In 1702, the French astronomer

MMR (124 words) [view diff] no match in snippet view article find links to article

screening technique Maternal mortality ratio Maternal mortality rate Mean-motion resonance, between two orbiting bodies Mesozoic Marine Revolution, a

HD 60532 b (198 words) [view diff] exact match in snippet view article find links to article

S2CID 14562319. Laskar; Correia (2009). "HD60532, a planetary system in a 3:1 mean motion resonance". Astronomy & Astrophysics. 496 (2): L5 – L8. arXiv:0902.0667

HD 60532 c (209 words) [view diff] exact match in snippet view article find links to article

J.; Correia, A. C. M. (2009). "HD60532, a planetary system in a 3:1 mean motion resonance". Astronomy & Astrophysics. 496 (2): L5. arXiv:0902.0667. Bibcode:2009A&A

Generalized Lagrangian mean (516 words) [view diff] exact match in snippet view article find links to article

coordinates. In general, it is difficult to decompose a combined wave–mean motion into a mean and a wave part, especially for flows bounded by a wavy surface:

Miranda (moon) (5,732 words) [view diff] no match in snippet view article

that of Oberon. The reason for this is still uncertain; there are no mean-motion resonances between the moons that could explain it, leading to the hypothesis

Effects of Planet Nine on trans-Neptunian objects (4,282 words) [view diff] no match in snippet view article find links to article

fall, returning them to their original orbits. On shorter timescales mean-motion resonances with Planet Nine provides phase protection, which stabilizes

Jupiter trojan (4,588 words) [view diff] no match in snippet view article find links to article

the Solar System's formation when Jupiter and Saturn crossed their 1:2 mean-motion resonance. Encounters between planets resulted in Uranus and Neptune

Amalthea (moon) (2,666 words) [view diff] no match in snippet view article

has passed through several mean-motion resonances with Io that have excited its inclination and eccentricity (in a mean-motion resonance the ratio of orbital

Umbriel (3,933 words) [view diff] exact match in snippet view article find links to article

relative to its satellites, its moons can escape more easily from a mean motion resonance than those of Jupiter or Saturn. After Miranda escaped from

Prometheus (moon) (922 words) [view diff] no match in snippet view article

of Prometheus appears to be chaotic, due to a series of four 121:118 mean-motion resonances with Pandora. The most appreciable changes in their orbits

55 Cancri (4,681 words) [view diff] exact match in snippet view article find links to article

Cancri b and c is apparently a near resonance, rather than a genuine mean motion resonance. Between planets f and d, there appears to be a huge gap of

51 Eridani b (790 words) [view diff] no match in snippet view article find links to article

Interstellar Exomoon Tidally detached Rogue planet Orbits Retrograde Trojan Mean-motion resonances Titius–Bode law Host stars A B Binary star Brown dwarfs F/Yellow-white

HIP 57274 (534 words) [view diff] exact match in snippet view article find links to article

planetary orbits are possibly highly variable, being strongly affected by mean motion resonances. The most stable region for a hypothetical super-earth within

HD 141399 (678 words) [view diff] no match in snippet view article find links to article

within the habitable zone. The planetary orbits are close to high-order mean-motion resonance and closely conform to the Titius–Bode law. Two additional

Hilda asteroid (1,294 words) [view diff] no match in snippet view article find links to article

common origin. The asteroids of the Hilda group (Hildas) are in 3:2 mean-motion resonance with Jupiter. That is, their orbital periods are 2/3 that of

Exozodiacal dust (914 words) [view diff] no match in snippet view article find links to article

Interstellar Exomoon Tidally detached Rogue planet Orbits Retrograde Trojan Mean-motion resonances Titius–Bode law Host stars A B Binary star Brown dwarfs F/Yellow-white

Kepler-223 (536 words) [view diff] exact match in snippet view article find links to article

Lagrangian points. The two co-orbital planets were thought to be locked in mean motion resonances with the other two planets, creating an overall 6:4:4:3 resonance

Jupiter (16,482 words) [view diff] exact match in snippet view article find links to article

faster rate than Jupiter until the two planets became captured in a 3:2 mean motion resonance at approximately 1.5 AU (220 million km; 140 million mi) from

HD 155358 (794 words) [view diff] exact match in snippet view article find links to article

while c orbits at 1.02 AU. These two planets are near exact mutual 2:1 mean motion resonance (MMR). van Leeuwen, F.; et al. (2007). "Validation of the new

Ariel (moon) (5,164 words) [view diff] exact match in snippet view article

4:1 resonance with Titania, from which it later escaped. Escape from a mean motion resonance is much easier for the moons of Uranus than for those of Jupiter

Gliese 357 (784 words) [view diff] no match in snippet view article find links to article

within the circumstellar habitable zone. Planets b and c are close to 3:7 mean-motion resonance. Presuming resonance chain extends to the outermost, cold,

Ephemeris time (3,978 words) [view diff] exact match in snippet view article find links to article

of the solar motion, after a calibration of the mean motion of the Moon with respect to the mean motion of the Sun. Reasons for the use of lunar measurements

Gliese 876 e (323 words) [view diff] no match in snippet view article find links to article

Millholland, Sarah; et al. (2018). "New Constraints on Gliese 876—Exemplar of Mean-motion Resonance". The Astronomical Journal. 155 (3) 106. arXiv:1801.07831.

Saturn (10,645 words) [view diff] no match in snippet view article find links to article

one revolution around the Sun. As a consequence, it forms a near 5:2 mean-motion resonance with Jupiter. The elliptical orbit of Saturn is inclined 2

Styx (moon) (1,732 words) [view diff] no match in snippet view article

ratio. Its orbital period of 20.16155 days is about 5.0% from a 1:3 mean-motion resonance with the Charon–Pluto orbital period of 6.387 days. With the

Gliese 180 (1,047 words) [view diff] exact match in snippet view article find links to article

planets 'b' and 'c' have an orbital period ratio of 7:5, which suggests a mean motion resonance that is stabilizing the orbits. The habitable zone of this

(636872) 2014 YX49 (318 words) [view diff] exact match in snippet view article

Besides being a L4 Uranian trojan, 2014 YX49 is trapped in the 7:20 mean motion resonance with Saturn as well; therefore, this minor body is currently

HD 12661 (1,072 words) [view diff] no match in snippet view article find links to article

Zucker, Shay (November 2011), "On the Ages of Planetary Systems with Mean-motion Resonances", The Astrophysical Journal Letters, 741 (1): L23, arXiv:1109

HD 37605 (677 words) [view diff] no match in snippet view article find links to article

low-eccentricity orbits near the known planet’s apastron distance, near the 1:2 mean-motion resonance" with oscillating eccentricity up to 0.06, and also at 1:3

Neptune trojan (2,315 words) [view diff] no match in snippet view article find links to article

trojans in the Nice model. When Uranus and Neptune are near but not in a mean-motion resonance the locations where Uranus passes Neptune can circulate with

Thebe (moon) (1,203 words) [view diff] no match in snippet view article

influence of the innermost Galilean satellite, Io; in the past, several mean-motion resonances with Io would have passed through Thebe's orbit as Io gradually

Delta Virginis (1,276 words) [view diff] exact match in snippet view article find links to article

star with a peculiar velocity of more than 30 km s−1 relative to the mean motion of other stars in the vicinity. Delta Virginis is a possible binary star

Astronomical system of units (1,152 words) [view diff] exact match in snippet view article find links to article

about the Sun of a particle having infinitesimal mass, moving with a mean motion of 0.01720209895 radians per day. The speed of light in IAU is the defined

LHS 1140 (1,022 words) [view diff] no match in snippet view article find links to article

Interstellar Exomoon Tidally detached Rogue planet Orbits Retrograde Trojan Mean-motion resonances Titius–Bode law Host stars A B Binary star Brown dwarfs F/Yellow-white