Both. It's the same thing.
Oval.
Elliptical is an oval shape.
oval lines
There are eight planets in our solar system that are in oval-shaped orbits around the Sun: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. The orbits of these planets are not perfect circles, but rather slightly elliptical or oval in shape.
An elliptical oval (if that is what you meant) is a tautology. An oval and ellipse are the same thing - a "squashed" circle.
elliptical
elliptical
egg shaped OR elliptical
No the planet's orbits are not VERY elliptical but yes, they are somewhat elliptical. They are not just rotating in a circle. More like an oval.
The shape name elliptical (of an ellipse) has the synonym ellipsoidal, oval, or ovoid. It is also the adjective form of ellipsis (circumlocution), with the synonyms cryptic, ambiguous, or oblique.
elliptical or egg-shaped
It is called an elliptical orbit.