It's not impossible. I used to bull's-eye womp rats in my T-16 back home. They're not much bigger than 2 meters.
8 seconds sound clip from the Star Wars: Episode IV - A New Hope (1977) movie soundboard.
You can hear this line at 01:40:47 in the Blu-ray version of the movie.
Quote context
[...]
- It's a small thermal exhaust port right below the main port.
- The shaft leads directly to the reactor system.
- The shaft is ray-shielded, so you'll have to use proton torpedoes.
- That's impossible, even for a computer.
- Then man your ships, and may the Force be with you.
- Orbiting the planet at maximum velocity.
- The moon with the rebel base will be in range in 30 minutes.
- This will be a day long remembered.
- It has seen the end of Kenobi and will soon see the end of the rebellion.
[...]