KELT-16 b

Exoplanet (Gas Giant)
📍 444.6 LY from Sun

KELT-16 b Encyclopedic Information

In the vast, star-studded theater of our galaxy, KELT-16 b stands out as a true heavyweight of the extreme. Located roughly 1,200 light-years away in the constellation Cygnus, this Hot Jupiter is a world where the laws of physics are pushed to their absolute limits. It is a gas giant that defies the comfort of our own solar system, orbiting its host star so closely that a year lasts less than a terrestrial day. For astronomers, KELT-16 b acts as a high-stakes laboratory, offering a window into the violent, scorching environments that define the most extreme exoplanetary systems discovered to date.

Advertisement

Related Celestial Bodies

Continue your cosmic journey by exploring other planetary bodies and astronomical wonders.

HATS-22 b HATS-22 b Exoplanet (Gas Giant) WASP-141 b WASP-141 b Exoplanet (Gas Giant) WASP-61 b WASP-61 b Exoplanet (Gas Giant) WASP-32 b WASP-32 b Exoplanet (Gas Giant)

History & Significance

The discovery of KELT-16 b was a triumph of the Kilodegree Extremely Little Telescope (KELT) survey, a pair of modest, robotic telescopes designed to hunt for transiting exoplanets around bright stars. Announced in 2017, the planet was identified using the transit method, where scientists meticulously track the subtle, rhythmic dimming of a star as a planet crosses its face. Unlike the ancient planets named after Roman or Greek deities, KELT-16 b carries the technical nomenclature of modern discovery, representing a new era of citizen-science-adjacent astronomy where specialized survey networks scan the skies with relentless precision.

While the planet itself lacks a mythological namesake, its discovery has fueled a massive surge in follow-up research involving the Hubble Space Telescope and ground-based observatories. By observing the way light filters through the planets atmosphere during its rapid transits, researchers are peeling back the layers of this distant world. It serves as a vital data point in our collective quest to understand the diversity of planetary formation, proving that even in the infinite void, we are becoming increasingly adept at pinpointing the most inhospitable corners of the cosmos.

Physical Structure

Physically, KELT-16 b is a titan of gas and heat, possessing a mass roughly 2.7 times that of Jupiter. Because it is locked in an incredibly tight orbit, it is perpetually roasted by its host star, creating a bloated, low-density atmosphere that is constantly expanding under intense radiation. This is a world of extreme thermal gradients; the dayside is a furnace of ionized gases, while the nightside—though slightly cooler—remains a hellscape of hurricane-force winds that redistribute heat across the planets entire globe. It is likely tidally locked, meaning one face forever stares into the burning gaze of its star, while the other remains trapped in an eternal, scorching night.

Beneath its swirling, nebulous clouds, the internal structure of KELT-16 b is likely dominated by metallic hydrogen—a state of matter forced into existence by the crushing gravity of its own immense mass. There is no solid surface to stand upon; instead, the atmosphere gradually thickens until the gas transitions into a supercritical fluid, a strange, dense state that behaves like both a liquid and a gas. With its rapid orbital decay, this planet is essentially on a collision course with its destiny, slowly spiraling inward toward an eventual, fiery integration with its parent star, marking it as one of the most short-lived and dramatic spectacles in the local galactic neighborhood.

✨ Cosmic Secrets & Fun Facts

  • Discovered in 2017 using the Transit method.
  • Located approximately 445 light-years from Earth.
Image/Render Reference: NASA Exoplanet Archive