semimajor axis in a sentence

The asteroid orbits the sun at semimajor axis 2.6AU, has an modest eccentricity of 0.11 and an inclination of 12 degrees.
For example, such a mechanism can produce sungrazing comets, because a large eccentricity with a constant semimajor axis results in a small perihelion.
? Aquarii B is a suspected astrometric binary system with a 25.8 year orbital period and a semimajor axis of 10.8 astronomical units.
Such a stellar component could likely take 42.4 years to complete its orbit around the Cepheid ( semimajor axis around 10.8 Astronomical Units ).
The size is represented by the radius at the equator ( the semimajor axis of the cross-sectional ellipse ) and designated by the letter a.

Their positions have been observed since 1897, which is long enough to estimate an orbital period of 84.5 years and a semimajor axis of 0.93 arcseconds.
This is an astrometric binary star system with an orbital period of about 39.6 years, an eccentricity of 0.3, and a semimajor axis of 85.64 mas.
However, Sirius A is more massive than IK Pegasi A and the orbit of its companion is much larger, with a semimajor axis of 20 AU.
The mass can either be 6.98 or 13.61 M J and semimajor axis of 3.72 or 5.20 AU, both depending on the mass of the star.
The mass and semimajor axis are not exactly known, the mass can either be 4.96 or 9.67 AU, both depending on the mass of parent star.

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