42 Draconis b
Astronomical discovery
>
42 Draconis b, formally named Orbitar, is a candidate extrasolar planet located approximately 315 light years from Earth in the constellation of Draco. It orbits the 5th magnitude K-type giant star 42 Draconis with a period of 479 days and 38%... Wikipedia
Discovered: March 20, 2009
Discovered by: Doellinger et al
Mass: ≥3.88±0.85 MJ
Orbital period (sidereal): 479.1 ± 6.2 d; 1.312 ± 0.017 y
Semi-major axis: 1.19 ± 0.01 AU (178,000,000 ± 1,500,000 km)
Star: 42 Draconis