Sentences with phrase «average orbital distance»

In the early 1990s, one study found that coplanarity between the orbital and equatorial planes of nearby binaries (within 100 parsecs or 326 ly) that are composed of Sol - type stars (F5 - K5 V) «exists» for binaries with orbital separations up to the average orbital distance of Pluto in the Solar System — roughly 40 times the Earth - Sun distance or «astronomical unit» (AU).

On March 4, 2014, a team of astronomers announced that analysis of new and older radial - velocity data from nearby red dwarf stars revealed a planet with a minimum of 32 (max 49) Earth - masses at an average orbital distance of 0.97 AU from host star Gl 229, with an orbital period around 471 days (UH news release; and Tuomi et al, 2014).

The average orbital distance of planet «b» from this star is 0.080 AU and so it could have liquid water on its surface, although it moves arount its host star well within the orbital distance of Mercury in the Solar System.

On March 4, 2014, a team of astronomers announced that analysis of new and older radial - velocity data from nearby red dwarf stars revealed two super-Earths «b» and «c.» Planet b has around 4.4 (+3.7 / -2.4) Earth - masses and an average orbital distance of 0.080 (+0.014 / -0.004) AU from host star Gl 682.

With a torch orbit around its host star that takes only about 20 hours (84 percent of an Earth day) to complete, Kepler 10b has an average orbital distance of only 0.017 AU from its host star and so has a tidally locked, synchronous orbit.

Gliese 581 g has an orbital period of 36.6 days at an average orbital distance of 0.146 AUs.

It has a minimum mass of 1.6 +0.3 / -0.5 Jupiter - masses and an average orbital distance of 11.6 +2.1 / -2.9 AUs.

Moving outwards from host star, planet «c» has 72 percent of Jupiter's mass and an orbital period of 2.8 years (1,024 days) with an average orbital distance of 1.76 AUs and eccentricity around 0.28.

Lastly, there may be an additional third planet «d,» which may have around 54 percent of Jupiter's mass and an average orbital distance of around 3 AUs with a period of around 6 years (2,172 + / - 158 and an eccentricity near 0.48.

Planet «b» has 7.5 Earth - masses at an average orbital distance of 0.08 with a period of only 9.5 days and an orbital eccentricity near 0.40.

Hence, planet b's average orbital distance of around 2.1 AUs places its orbit at around the outer edge of the habitable zone at around.

Planet «b» completes an inner orbit around BD +26 2184 in 9.494 + / - 0.995 days at an average orbital distance of 0.0831 + / - 0.0011 AU.

It lies at an average orbital distance of about 0.83 AUs from ups And (between the average orbital distances of Venus and Earth in the Solar System).

Currently, the water zones for either Capella Aa or Ab are farther out than the average orbital distance between these two stars.

At their closest approach, Stars A and B are about two AUs farther apart than the average orbital distance of Saturn around the Sun, while their widest separation is still about six AUs farther the average orbital distance of Neptune.

In any case, the presence of planet b at its average orbital distance of 2.5 AU could have disrupted the development of an Earth - mass planet in the water zone.

Planet «c» or «2» - A residual drift in the radial velocity data over several years suggest the presence of an even larger planet in an outer orbit, at about 3.73 AUs from 47 UMa (between the average orbital distances of Jupiter and the Main Asteroid Belt in the Solar System).

On March 4, 2014, a team of astronomers announced that analysis of new and older radial - velocity data from nearby red dwarf stars revealed two super-Earths «b» and «c» with minimum earth - masses of 4.4 (+3.7 / -2.4) and 8.7 (+5.8 / -4.7), respectively, at average orbital distances of 0.080 (+0.014 / -0.004) and 0.176 (+0.009 / -0.030) AU, respectively, from host star Gl 682, with orbital eccentricities of 0.08 (+0.19 / -.08) and 0.010 (+0.19 / -0.10) and periods around 17.5 and 57.3 days, respectively (UH news release; and Tuomi et al, 2014).

Not exact matches

The group defined a plutoid as an object orbiting the sun at an average distance greater than Neptune's, massive enough to assume a nearly spherical shape (as planets do) but not massive enough to clear its orbital path of other bodies (as planets also do).

A substellar companion at that distance would imply an orbital period of around a year, or it could be in a highly eccentric orbit with a much greater average distance from Proxima.

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.

Planet «d» - On average, planetary candidate «d» lies about 2.5 AUs from ups And, just within the middle orbital distance of the Main Asteroid Belt of the Solar System.

In 2000, a team of astronomers (Nick N. Gorkavyi, Sara Heap, Leonid Ozernoy, Tanya A. Taidakova, and John Mather) announced that modelling of the asymmetric circumstellar disk infalling into Vega suggests that there may be a planet twice the mass of Jupiter at an orbital distance of about 50 to 60 AU from the star — up to one and a half times the «average» orbital distance of Pluto in the Solar System (N.N. Gorkavyi et al, 2000 and more discussion).

The two stars are separated «on average» by only 3.1 times the Earth - Sun distance — 3.1 astronomical units (AUs) of an orbital semi-major axis (a = 0.715 + / -0.04»).

For perspective, Pluto orbits the sun at an average distance of 40 AU, with a maximum orbital distance of 49 AU.

This star is located about 224 AUs away on average (a semi-major axis of 14.39» at a HIPPARCOS distance of 50.87 light - years) with an orbital period around 2,000 years and an extremely high orbital eccentricity of 0.91.

It moves around Star A at an average distance of less than 0.05 AUs (a semi-major axis well within Mercury's orbital distance) in a near circular orbit (e = 0.23 + / - 0.015) that takes 3.312 days to complete.

According to new measurements (Staffan Soderhjelm, 1999) found in the new Sixth Catalog of Visual Orbits of Binary Stars, Stars A and B are separated by an «average distance» of about 48.5 AUs (semi-major axis of 3.8» with a HIPPARCOS distance estimate of 41.6 ly), or more than the average of orbital distance of Pluto in the Solar System.

Sirius A and B form a close binary separated «on average» by only about 19.8 AUs of an orbital semi-major axis — which is about the same as the distance between Uranus and our Sun («Sol»).

It moves around Star A at an average distance of 0.35 AUs (a semi-major axis inside the orbital distance of Mercury) in an elliptical orbit (e = 0.21) that takes about 75.6 days to complete.

The planet moves between 1.7 and 2.5 AUs in orbital distance around Errai A, with an average separation of around 1.8 AUs, which would be between the orbital distance of Earth and Mars in the Solar System.

Despite possible orbital eccentricity, planetary candidate «g» average orbit distance of around 0.6 AU should keep it wholly within HD 40307's habitable - zone between 0.4 and 1.0 AU, even if the object is relatively cloudless.

In their survey of planets within 0.5 to 10 AUs of their host star, the astronomers found that 17 +6 / -9 percent of observed stars had Jupiter - class planets (of 0.3 to 10 Jupiter masses), 52 +22 / -29 percent had Neptune - class planets (of 10 to 30 Earth - masses), and that 62 +35 / -37 percent had super-Earths of 5 to 10 Earth - masses, which is consistent with the conclusion that an average star in the Milky Way should have one or more planets within an orbital distance of 0.5 to 10 AUs, and that there may be some 10 billion Earth - sized planets in the galaxy (ESO press release; Anil Ananthaswamy, New Scientist, January 11, 2012; Jason Palmer, BBC News, January 11, 2012; and Cassan et al, 2012).

It moves around HD 111232 at an average distance of 2.07 AUs (a semi-major axis beyond Mars orbital distance) in a highly eccentric orbit (e = 0.25 + / - 0.01) that takes around 1,138 + / - 18 days (3.1 years to complete.