From this value and the eccentricity e of Earth’s orbit (0.017), we can calculate the semiminor axis of Earth’s orbit by rearranging the equation to calculate eccentricity: into.

How do we know 3I/ATLAS, also called comet C/2025 N1 (ATLAS), is interstellar? Will it strike Earth? Can we visit it? Here ...

We have discovered two interstellar objects so far, ’Oumuamua and Comet 2I/Borisov. ’Oumuamua had no dust tail and a significant nongravitational acceleration, which led to a wide variety of ...

A11pl3Z's eccentricity is now estimated to be near 6.0, the highest seen yet, confirming its hyperbolic orbit.

"Astronomers may have just discovered the third interstellar object passing through the Solar System!" the agency's ...

I SHALL feel obliged if some of your correspondents would inform me if, with the exception of Grant's Physical Astronomy, there is any treatise or encyclopædic article on Astronomy, published in ...