Sentences with phrase «circular orbit with»

It orbits HD 189733 A at an average distance (semi-major axis) of 0.0313 + / - 0.0004 AUs, with a period of 2.2 days in a circular orbit with an eccentricity of 0.0 and an inclination of 85.76 (± 0.29) degrees to Earth's line of sight.

He replaced the circular orbits with elliptical ones — an innovation now known as Kepler's First Law of Planetary Motion.

Not exact matches

The question is whether the bodies were asteroids captured intact by Mars gravity or whether the tiny satellites formed from an equatorial disk of debris, as is most consistent with their nearly circular and co-planar orbits.

Sharma worked out how the speed of circular orbits changed with distance from the galactic centre (called the rotation curve).

Due to their small size and irregular shape, they strongly resembled asteroids, but no one understood how Mars could have» captured» them and made them into satellites with almost circular and equatorial orbits.

And Titan's orbit is odd: It is slightly elliptical rather than nearly circular and is tilted with respect to Saturn's equator.

While multiple - planet systems tend to have circular orbits that all lie in the same plane — like our solar system — the orbits of singletons tend to be more elliptical and are often misaligned with the spins of their stars.

Based on the Gemini spectra of the center of NGC 1600, most stars inside the sphere of influence of the black hole — a region about 3,000 light - years in radius — are traveling on circular orbits around the black hole, with very few moving radially inward or outward.

It also collided with some of them, slowing down and settling into its circular orbit.

Based on photographs taken between 1937 and 1970, Sarah Lee Lippincott reported in 1971 that star A and B are separated by an «average» distance of 147 times the Earth - Sun distance (AU)(of a semi-major axis) in a circular orbit (e = 0.00) of about 2,600 years, in contrast to Josef Hopmann's (1890 - 1975) earlier report in 1958 of an elliptical orbit (e = 0.25) with an orbital period of 3,000 years and an «average» distance of 157 AU (of a semi-major axis) that varies between 118 and 196 AU.

On October 16, 2012, a team of astronomers announced the discovery of a planet with around 1.13 + / - 0.09 Earth - masses in a very hot and tight, circular orbit around Alpha Centauri B, using the European Southern Observatory's the High Accuracy Radial velocity Planet Searcher (HARPS) instrument on the 3.6 - metre telescope at ESO's La Silla Observatory in Chile.

What's more, the close, roughly circular orbits of Phobos and Deimos are inconsistent with the idea that they were once asteroids that were strong - armed into joining the Martian family by the Red Planet's gravitational clout.

On October 16, 2012, a team of astronomers announced the discovery of a planet with around 1.13 + / - 0.09 Earth - masses in a very hot and tight, circular orbit around Alpha Centauri B, using the European Southern Observatory's High Accuracy Radial velocity Planet Searcher (HARPS) instrument on the 3.6 - metre telescope at ESO's La Silla Observatory in Chile.

This cycle coincides with a change in Earth's orbit as it evolves from a more circular orbit to a more elliptical orbit.

We use these observations to constrain the eccentricity, e, and find that it is consistent with a circular orbit (e < 0.0011).

The occultation photometry timing is consistent with a circular orbit, at e < 0.01 (1 -LCB- \ sigma -RCB--RRB-, and e < 0.09 (3 -LCB- \ sigma -RCB--RRB-.

Planets «b, c, and d» - On December 14, 2009, a team of astronomers (Steven S. Vogt; Robert A. Wittenmyer, R. Paul Butler, Simon O'Toole, Gregory W. Henry, Eugenio J. Rivera, Stefano Meschiari, Gregory Laughlin, C. G. Tinney, Hugh R. A. Jones, Jeremy Bailey, Brad D. Carter, and Konstantin Batygin) announced the discovery of one innermost orbiting super-Earth and two outer - orbiting, Neptune - class planets (with at least 5.1, 18.2, and 24.0 Earth - masses, respectively) in moderately circular, inner orbits around 61 Virginis with periods of 4.2, 38.0, and 124.0 days, based on radial - velocity observations over 4.6 years with the Keck Observatory's High Resolution Echelle Spectrometer (HIRES) and the Anglo - Australian Telescope (U.C. Santa Cruz news release; AAO press release; Keck press release; the Lick - Carnegie Exoplanet Survey Team's «Systemic Console;» and Vogt et al, 2009).

Planets form in roughly circular orbits level with the plane of the system, but the pulsar planet's orbit is highly inclined.

It is the first known object with a relatively circular but highly tilted orbit beyond Neptune and Pluto.

Planet c may have a minimum mass around 54 + / - 0.7 percent of the mass of Jupiter with a semi-major axis of 3.6 + / -0.1 AUs and a roughly circular orbit (0.10 +0.5 / -0.1) that takes more than 6.5 years (2,391 +100 / -87 days) to complete (Gregory and Fischer, 2010; and Fischer et al, 2001 — in pdf).

It has the most circular orbit of all the planets in the Solar System, with an eccentricity of less than one percent.

Moreover, the brown dwarf companion to 15 Sge may eventually prove to have a highly circular orbit that is coplanar with the circumstellar disk so that planets formed in inner orbits around the star.

A comparison of stellar densities from asteroseismology with densities derived from transit models in Batalha et al. assuming circular orbits shows significant disagreement for more than half of the sample due to systematics in the modeled impact parameters, or due to planet candidates which may be in eccentric orbits.

Star Ba may have a brown dwarf companion (see Bb below) in a «torch orbit,» with an average separation of 0.06 AU in a highly circular orbit (e = 0.00) whose period is completed within four days.

The orbits of the planets are ellipses with the Sun at one focus, though all except Mercury are very nearly circular.

The Kuiper Belt — a doughnut - shaped region 30 — 50 AU from the Sun — contains about 70 % of all TNOs — those with nearly circular orbits near the plane of the ecliptic.

A team of astronomers has found a Jupiter - size planet in a circular orbit around a faint nearby star, raising intriguing prospects of finding a solar system with characteristics similar to our own.

Our Sun, together with the whole Solar System, is orbiting the Galactic Center at the distance given, on a nearly circular orbit.

Earth and moon have a pretty stable relationship at this point: The moon's orbit is circular, and paced with its rotation so that the same side of the moon always faces Earth.

Although the current average global temperature from Earth's current circular orbit is 58 ° F (14.4 ° C), it would rise to 73 ° F (22.8 °C) with an orbital eccentricity of 0.3.

This pendant is designed with several circular metal shapes to create an orbiting design that's unique and eye - catching.

This long period is associated with the eccentricity of the Earth's orbit, which oscillates between circular and slightly elliptical.

Planetary gravity forces from the outer 4 planets over 100,000 years gradually change the shape of Earth's orbit from circular, to elliptical along with shorter term changes in the inclination angle and winter precession timing.