Eight New Extrasolar Planets
Masses and Orbital Characteristics
using stellar masses derived from Hipparcos, metalicity, and stellar evolution

Updated on 20 April 2003

Scientists on the California & Carnegie Search Team

Star Name

M sin i 
(Mjup )

Period
(d)

Semimajor
Axis (AU)

Eccen-
tricity

K
(m/s)

[Fe/H]
1 HD68988 1.90 6.276 0.071 0.14 187.0 0.24
2 HD142 1.00 337.1 0.980 0.38 29.6 0.04
3 HD4203 1.64 406.0 1.09 0.53 51.0 0.22
4 HD114783 0.99 501.0 1.20 0.10 27.0 0.33
5 HD23079 2.54 627.3 1.48 0.06 56.7 *****
6 HD4208 0.81 829.0 1.69 0.04 18.3 -0.24
7 HD33636 7.71 1553.0 2.62 0.39 148.0 -0.13
8 HD39091 10.37 2115.2 3.34 0.62 196.2 0.09

  • Press Release from NSF and NASA

  • BBC Science Bulletin

  • The Three New Planets from the Anglo-Australian Telescope

  • UK Press Release

  • Main Planet Search WEB Page (for information on all the extrasolar planets known to date.)