claim: SummerSlam ended in the Staples Center.
evidence: The following is a list of Halley-type comets -LRB- HTCs -RRB- , which are periodic comet with an orbital period between 20 and 200 years , often appearing only once or twice within one 's lifetime .. periodic comet. periodic comet. The majority come from between the orbits of Saturn and Neptune ; Due to the nature of their orbits , their orbits can be perturbed by the giant planets and sent into orbits too far from the Sun to outgas , and vice versa .. Neptune. Neptune. Minor planets in comet-like orbits similar to HTCs that never come close enough to the Sun to outgas are called Centaurs .. Centaurs. Centaur ( minor planet ). HTCs are named after the first discovered member , and the first discovered periodic comet , Halley 's Comet , which orbits the Sun in about 75 years , and passing as far as the orbit of Neptune .. periodic comet. periodic comet. Neptune. Neptune. This list contains only Halley-type comets which are not numbered yet because they have been observed only once .. To find Halley-type comets observed several times , see the list of numbered comets and sort them by orbital period to filter those with 20 years or more .. list of numbered comets. list of numbered comets