Ammonite Planet Ture
### What is "Ammonite Planet"? The term "Ammonite planet" likely refers to 2023 KQ14, a trans-Neptunian object (TNO) informally nicknamed "Ammonite" by the discovery team. It is **not a full-fledged planet** but a distant, icy minor body in our Solar System, often classified as a sednoid (a type of extreme TNO with a highly eccentric orbit similar to Sedna). Discovered in 2023 and announced in 2025, Ammonite has sparked significant interest because its orbit provides clues about the early Solar System and challenges theories like the existence of Planet Nine. Below, I'll break down the key details based on recent astronomical findings. #### Discovery and Basics - **Official Designation**: 2023 KQ14 (provisional name from the Minor Planet Center, indicating discovery in the first half of May 2023). - **Nickname Origin**: "Ammonite" draws from the spiral-shaped fossil of ancient marine cephalopods (extinct for ~66 million years), symbolizing ...