Science ❯ Astronomy ❯ Celestial Mechanics

Orbital Dynamics

Trajectory Analysis Gravitational Interactions Hiperbolic Trajectories Comet Trajectories Interstellar Objects Cometary Orbits Elliptical Orbits Temporary Satellites Hyperbolic Orbits Lunar Phases Moon's Orbit Horseshoe Orbits Asteroid Orbits Trajectory of 3I/ATLAS Perihelion Eccentricity Hyperbolic Trajectories Mini-Moons Temporary Moons Temporary Captures Eccentric Orbits Gravitational Capture Planetary Orbits Near-Earth Objects Interstellar Trajectories Solar System Objects Hiperbolic Orbits Heliocentric Distance Roche Limit Earth's Orbit Planetary Alignment Ecliptic Path Lunar Orbit Long Period Orbits Asteroid Moons Gravitational Forces Tidal Disruption Events Temporary Capture Temporary Orbits Elliptical Trajectory Capture Mechanisms Asteroid Tracking Oort Cloud Earth-Moon Distance Binary Systems Earth-Moon Relationship Transits Planetary Characteristics Captured Flyby Events Planet Nine Hypothesis Kiss-and-Capture Theory Kiss and Capture Mechanism Kiss and Capture Theory Asteroid Trajectories Extreme Orbits Earth-Moon-Sun Alignment Clustered Orbits Influence of Massive Bodies Hypothetical Planets Jupiter's Orbit Eccentricity of Orbits Aphelion and Perigee Spacecraft Trajectory Moon Tidal Forces Collision Risk Trans-Neptunian Objects Excentricity of Orbits Trajectory of Comets Precoveries Quasi-Moons Moon-Earth Distance Thick Disk of the Milky Way Gravitational Effects Comets and Asteroids Trajectory Resonance Speed and Trajectory High-Speed Objects Kuiper Belt Objects Resonance with Earth Resonance Phenomena Makemake's Orbit Quasi-satellites Perihelion of 3I/ATLAS Astronomical Units Lunar and Solar Alignment Binary Asteroids Eclipse Frequency Proximity to Earth Future Predictions 3I/ATLAS Gravitational Resonance Mean Motion Resonance Approach to Earth Lunar Perigee Impact Events Oort Cloud Objects Retrograde Trajectories Acceleration

Juice Executes Precise Earth Flyby to Boost Speed and Redirect Toward Jupiter

The maneuver conserved propellant for JUICE's Jupiter science by using Earth's gravity to change the spacecraft's path.

Perseverance Captures Earth Vanishing Behind Mars Moon Phobos

Long-Tracked Near-Earth Object Reclassified as Comet After Missing Radar Detection

Long-Tracked Near‑Earth Object 1998 SH2 Reclassified as Comet

Earth Reaches Aphelion, Its Farthest Point From the Sun

Nearby Super‑Earth Candidate GJ 3378 b Reclassified as Likely Rocky World

Venus and Jupiter Close to a 1.6° Conjunction in Early June Twilight

Study Suggests Nereid Is Neptune’s Last Intact Original Moon

JWST Finds Heavy, Water-Rich Atmosphere on Mini-Neptune in Rare Hot-Jupiter System

Hubble Spots First Known Comet Spin Reversal

Six-Planet Parade Lines Up Along the Ecliptic as Jupiter Shines Brightest

Kepler Data Reveal Earth-Size Planet Candidate HD 137010 b Near Star’s Habitable Edge

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

Interstellar Comet 3I/ATLAS Nears Dec. 19 Earth Flyby as Study Flags Strong Jupiter Perturbation

Researchers Identify Compact 'Inner Kernel' in the Kuiper Belt at 43 AU

Ancient White Dwarf Caught Accreting Debris From a Shattered Rocky World

Beaver Supermoon Will Be 2025’s Largest Full Moon on Nov. 5

Astronomers Confirm 2025 PN7 as Earth’s Seventh Quasi-Satellite

NASA Confirms Tiny Asteroid 2025 PN7 as Earth’s Quasi-Moon Through 2083

New Analysis Finds Asteroid Belt’s Active Mass Shrinking by 0.0088% Per Million Years