As of May 20, 2014 the next comet that will be coming by the Earth is Comet Faye at the end of May 2014. In June 2014, Comet Brooks 2 will be passing the Earth.
It's unclear what you mean by "hades comet." If you are referring to a comet named Hades, there is no specific comet with that name. If you meant Halley's Comet, it will next be visible from Earth in 2061.
It can be seen every 75-76 years. The next predicted perihelion of Halley's Comet will be 28 July 2061.
Halley's comet will next be visible from Earth in 2061, approximately every 76 years. Hale-Bopp, on the other hand, has an orbital period of about 2,532 years, so it won't be visible again from Earth until around the year 4385.
Next appear in mid-2061
Comet Encke has an orbital period of about 3.3 years, so it will next be visible from Earth in 2024. However, it may not always be visible to the naked eye depending on its position in the sky and proximity to the Earth.
2012
Halley's comet is not predicted to hit Earth in the foreseeable future. The next time it will be visible from Earth is in 2061.
The next comet will be Comet Ison which will pass by the earth in 2013. It will be visible with lenses during late summer and will be visible to the naked eye by approximately November.
Isaac Newton
It's unclear what you mean by "hades comet." If you are referring to a comet named Hades, there is no specific comet with that name. If you meant Halley's Comet, it will next be visible from Earth in 2061.
2061
in 2016 .
No, there is no comet coming near Earth in 2012. All of the 2012 stuff is just a hoax.
It can be seen every 75-76 years. The next predicted perihelion of Halley's Comet will be 28 July 2061.
Not all comets have their orbits calculated so it is impossible to say.
Halley's comet will next be visible from Earth in 2061, approximately every 76 years. Hale-Bopp, on the other hand, has an orbital period of about 2,532 years, so it won't be visible again from Earth until around the year 4385.
Next appear in mid-2061