The dynamically hazardous asteroid 2025 TV$_{10}$. A new co-orbital asteroid of Venus

TL;DR

This paper reports the discovery and dynamical analysis of asteroid 2025 TV$_{10}$, a Venus co-orbital with potential hazard to Earth, highlighting its close orbital intersection and the importance of future observations.

Contribution

It provides the first dynamical characterization of 2025 TV$_{10}$ and assesses its potential collision risk with Earth through numerical simulations.

Findings

2025 TV$_{10}$ may leave its co-orbital orbit in about 1200 years.

It has one of the closest MOIDs with Earth among Venus co-orbitals.

Its orbital parameters make it one of the most hazardous Venus co-orbitals.

Abstract

Twenty co-orbital asteroids of Venus are currently known, several of which may evolve into potentially hazardous asteroids (PHAs) over timescales of thousands of years. We report the identification and first dynamical characterization of 2025 TV$_{10}$, a newly discovered Venus co-orbital asteroid, and assess its potential collisional hazard to Earth. We performed numerical simulations of a large number of asteroid clones, and we studied their close encounters with Venus and Earth. The asteroid may leave its co-orbital orbit on timescales of 1200 yr. The orbit of 2025 TV$_{10}$ is one of the closest of the absolute minimum of the "minimum orbital intersection distance" (MOID) with Earth for the Venus co-orbital asteroids known to date. Owing to its orbital parameters, 2025 TV$_{10}$ represents one of the most dynamically hazardous members of the Venus co-orbital population identified to date. Its faint magnitude and restricted observability windows make future observations challenging but essential for constraining its orbit.