Confirmed exoplanet · Database record + computed analysis
PSR J1719-1438 b
A confirmed world orbiting PSR J1719-1438, 3,913.9 light-years away.
A giant planet
about 383 Earth masses (Jupiter is 318).
The orbit
Its year lasts about 2.2 hours, making it an ultra-short-period planet skimming its star. Orbiting this tightly around a cool star, it is very likely tidally locked: one hemisphere in permanent day, the other in permanent night.
Its sun
Its star is an orange K-type (4,500 K): cooler and longer-lived than the Sun, a class some astronomers consider ideal for habitability.
How far is that, really?
At 3,914 light-years, tonight's light from this system left it around the year -1887. A Voyager-speed probe would need roughly 69,246,621 years to get there.
How we found it
It was found by pulsar timing: irregularities in a dead star's metronome-precise radio pulses. Planets around pulsars either survived a supernova or formed from its wreckage. The discovery was announced in 2011 from Parkes Observatory.
Everything above is computed from the archive’s measured values for this planet. Where a quantity is missing, the statement is omitted rather than guessed.
About this record
The measured values come from the NASA Exoplanet Archive, and any missing value has not been determined yet; the Atlas never fills gaps with guesses. More standout worlds: Proxima b, TRAPPIST-1e, K2-18 b, 55 Cancri e, and the detection methods that found them all.