Science ❯ Astrophysics ❯ Celestial Mechanics

Orbital Dynamics

Hyperbolic Orbits Comet Trajectories Trajectory Analysis Hiperbolic Orbits Asteroid Trajectories Perihelion Hyperbolic Trajectories Gravitational Interactions Spacecraft Trajectories Lunar Orbit

AI and Crowd Sleuths Home In on Rival Sites for the Long-Lost Luna 9 Lander

Higher-resolution imaging next month could resolve the competing locations.

First Comet of 2026, C/2026 A1 (MAPS), Is on Course to Plunge Into the Sun on April 4

MAVEN Still Silent as Data Point to Unexpected Spin and Possible Orbit Change

Hubble and ESA’s Juice Capture 3I/ATLAS With Active Coma and Twin Tails

NASA Publishes Mars-Captured Views of Interstellar 3I/ATLAS as Minority Raises ‘Anomalies’

Interstellar Comet 3I/ATLAS Speeds Outward After Perihelion as Nov. 19 Livestream Nears

Radio Detection From 3I/ATLAS Bolsters Natural-Comet Explanation

3I/ATLAS Passes Perihelion as Spacecraft Step In to Observe the Interstellar Comet

Interstellar Visitor 3I/ATLAS Reaches Perihelion as Anti-Tail Claim Draws New Questions

Astronomers Map Orbit and Mass of Stormy Brown Dwarf Around Nearby Red Dwarf

After Mars Flyby, Interstellar Comet 3I/ATLAS Delivers Data as Agencies Reject Artificial Claims

Interstellar Comet 3I/ATLAS Withstands Solar Storm as Mars Flyby Nears

Researchers Map Spacecraft Views of Interstellar Comet 3I/ATLAS as Perihelion Nears

Webb and SPHEREx Confirm CO2-Dominated Coma Around Interstellar Comet 3I/ATLAS

Hubble Images Spur Juno Mission Study for Interstellar Comet

Mission Studies Spotlight Juno Flyby of Interstellar Comet 3I/ATLAS

Probe Theory for Interstellar Comet 3I/ATLAS Divides Researchers as October Perihelion Nears

Hubble Captures Coma of Interstellar Comet 3I/ATLAS as Experts Uphold Natural Origin

DART Ejecta Analysis Reveals Boulder Clusters Could Tilt Dimorphos’s Orbit

NASA Updates Moon Impact Risk for Asteroid 2024 YR4 to 3.8%