HD 121504 b is an exoplanet that is likely to be slightly less massive than Jupiter. Although the radial velocity method that was used to detect the planet can only measure the minimum mass of the planet, it is very unlikely that its true mass would be much higher.[1]

HD 121504 b
Discovered byMayor et al.
Discovery siteLa Silla Observatory
Discovery dateAugust 7, 2000
Radial velocity
HIP 68162 b
Orbital characteristics
50 Gm
48 Gm
0.33 AU
49 Gm
Eccentricity0.03 ± 0.01
63.33 ± 0.03 d
0.1734 year
7 mas
265° ± 12°
2,451,450 ± 2 JD
Semi-amplitude50.8 ± 0.9 m/s
StarHD 121504
Physical characteristics
Mass>1.22 MJ
>388 ME

HD 121504 b orbits the star at a distance of about one third of Earth's distance from the Sun, and has a slightly eccentric orbit.

References edit

  1. ^ Mayor, M.; et al. (2004). "The CORALIE survey for southern extra-solar planets XII. Orbital solutions for 16 extra-solar planets discovered with CORALIE". Astronomy and Astrophysics. 415 (1): 391–402. arXiv:astro-ph/0310316. Bibcode:2004A&A...415..391M. doi:10.1051/0004-6361:20034250. S2CID 5233877.

External links edit