HD 192310 b

HD 192310 b
Discovery
Discovery siteLa Silla Observatory
Radial velocity (HARPS)
Orbital characteristics
0.32
Eccentricity0.13
74.7 d
StarHD 192310
Physical characteristics
0.381 RJ
Mass16.9 ME

HD 192310 b is an exoplanet orbiting the star HD 192310 (HR 7722).[1] It orbits its parent star with a semimajor axis of 0.32 ± 0.005 AU, an eccentricity of 0.13 ± 0.04. and an orbital period of 74.72 days.[2]

The Neptune-sized planet has at least 21 times the mass of Earth[3] and 3 to 4 times its diameter.

HD 192310 b was discovered on 1 November 2010 and lies within the inner edge of the habitable zone of HD 192310.

  1. ^ Pepe, F.; et al. (2011). "The HARPS search for Earth-like planets in the habitable zone: I – Very low-mass planets around HD20794, HD85512 and HD192310". Astronomy & Astrophysics. 534: A58. arXiv:1108.3447. Bibcode:2011A&A...534A..58P. doi:10.1051/0004-6361/201117055. S2CID 15088852.
  2. ^ Open Exoplanet Catalogue, Gl 785b[permanent dead link]
  3. ^ Andrew W. Howard, The NASA-UC Eta-Earth Program: III. A Super-Earth orbiting HD 97658 and a Neptune-mass planet orbiting Gl 785, et al.