31. As the eccentricity of the orbit evolves, the semi-major axis of the orbital ellipse remains unchanged. 32. The eigenvector having the smallest eigenvalue ( in absolute value ) corresponds to the major axis . 33. The mean semi-major axis has a value of. 34. In the Voyager 2 images, Portia appears as an elongated object whose major axis points towards Uranus. 35. Strewn fields are commonly elliptical in shape, with the major axis parallel to the direction of flight. 36. At the Voyager 2 images Ophelia appears as an elongated object, the major axis pointing towards Uranus. 37. Line below the Moon represents perigee and apogee with the moon at the semi major axis position. 38. The Voyager 2 images show Belinda as an elongated object with its major axis pointing towards Uranus. 39. At the Voyager 2 images Juliet appears as an elongated object, the major axis pointing towards Uranus. 40. At the Voyager 2 images Bianca appears as an elongated object, the major axis pointing towards Uranus.
