HD 103197 b

{{Infobox planet

| name = HD 103197 b

| discoverer = Mordasini et al.

| discovery_site = La Silla Observatory

| discovered = October 19, 2009

| discovery_method = radial velocity (HARPS)

| apsis = astron

| semimajor = {{convert|0.235|AU|km|abbr=on}}

| eccentricity = 0 (fixed)

| period = 47.8 d
0.131 y

| star = HD 103197

}}

HD 103197 b (also known as HIP 57931 b) is an extrasolar planet which orbits the K-type main sequence star HD 103197, located approximately 170 light years away. It is outside of the habitable zone, and as such is unlikely to have liquid water on its moons, if there are any.

References

{{Reflist|refs=

{{cite journal | title=The HARPS search for southern extrasolar planets XXIV. Companions to HD 85390, HD 90156, and HD 103197: a Neptune analog and two intermediate-mass planets | url=http://www.aanda.org/articles/aa/full_html/2011/02/aa13521-09/aa13521-09.html | last1=Mordasini | first1=C. | last2=Mayor | first2=M. | last3=Udry | first3=S. | last4=Lovis | first4=C. | last5=Ségransan | first5=D. | last6=Benz | first6=W. | last7=Bertaux | first7=J.-L. | last8=Bouchy | first8=F. | last9=Curto | first9=G. Lo | last10=Moutou | first10=C. | last11=Naef | first11=D. | last12=Pepe | first12=F. | last13=Queloz | first13=D. | last14=Santos | first14=N. C. | display-authors=1 | journal=Astronomy and Astrophysics | volume=526 | at=A111 | date=2011 | arxiv=1010.0856 | bibcode=2011A&A...526A.111M | doi=10.1051/0004-6361/200913521 | s2cid=59062607 }}

}}

Category:Exoplanets discovered in 2009

Category:Exoplanets detected by radial velocity

Category:Giant planets

Category:Centaurus