Is There a Smaller 2-Body System Than an Asteroid and Its Moon?

Thread starter wolram
Start date Sep 23, 2011
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Body System

In summary, the smallest known 2 body system is the helium atom, consisting of 2 protons, 2 neutrons, and 2 electrons. The size of a 2 body system is determined by the distance between the bodies, influenced by their interaction and masses. Studying this system allows for understanding of quantum mechanics and particle behavior. Compared to other multi-body systems, the helium atom is simpler and ideal for studying principles and simplifying complex systems. This system can change over time through processes like nuclear decay and electron transitions, which can be understood through quantum mechanics.

Sep 23, 2011

wolram

Gold Member

Dearly Missed

I seem to remember an asteroid that has a small moon orbiting it, is my memory correct?

Astronomy news on Phys.org

Sep 23, 2011

D H

Staff Emeritus

Science Advisor

Insights Author

http://en.wikipedia.org/wiki/Minor-planet_moon#List_of_minor_planets_with_moons

Also, http://echo.jpl.nasa.gov/~lance/binary.neas.html

Sep 23, 2011

wolram

Gold Member

Dearly Missed

Thanks DH, i did not know there were so many.

What is the smallest known 2 body system?

The smallest known 2 body system is the helium atom, which consists of a nucleus containing 2 protons and 2 neutrons, and 2 electrons orbiting around it.

How is the size of a 2 body system determined?

The size of a 2 body system is determined by the distance between the 2 bodies, which is influenced by the strength of their interaction and their individual masses.

What is the significance of studying the smallest known 2 body system?

Studying the smallest known 2 body system, such as the helium atom, allows scientists to understand fundamental principles of quantum mechanics and the behavior of particles on a small scale.

How does the smallest known 2 body system compare to other multi-body systems?

The smallest known 2 body system is significantly simpler than other multi-body systems, as it only involves interactions between 2 particles. This makes it an ideal system for studying fundamental principles and simplifying complex systems.

Can the smallest known 2 body system change or evolve over time?

The smallest known 2 body system can change or evolve over time through various processes, such as nuclear decay or electron transitions. These changes can be studied and understood through quantum mechanics principles.