PSR B1620-26 b
| Discovery | |
|---|---|
| Discovered by | Donald Backer |
| Discovery date | May 30, 1993 (confirmed July 10, 2003) |
Detection method | Pulsar timing |
| Orbital characteristics | |
| 23 AU (3.4×10^9 km) | |
| 36,525 days | |
| Inclination | 55 |
| Star | PSR B1620-26 |
| Physical characteristics | |
Mean radius | 1.18 RJ |
| Mass | 2.5 (± 1) MJ |
| Temperature | −201.2 °C |
PSR B1620-26 b is an extrasolar planet in the constellation of Scorpius. It is around 12,400 light years away from Earth. It is one of the oldest planet in the universe, which is approximateley 12.7 billion years, which is nearly three times older than the Earth. It is sometimes called Methesulah or the Genesis planet beacause how old it is. It orbits the binary star system PSR B1620-26, going around it approximateley every 36,525 days or almost 100 years at a distance of 23 AU.