Rho Indi b

Rho Indi b

Discovery
Discovered by	Jones et al.
Discovery site	Australia
Discovery date	Sept 17, 2002
Detection method	Doppler Spectroscopy
Designations
Alternative names	HD 216437 b HIP 113137 b
Orbital characteristics
Periastron	1.727 AU
Apastron	3.345 AU
Semi-major axis	2.536 AU
Eccentricity	0.319±0.025
Orbital period (sidereal)	1353±25 d (3.704 y)
Average orbital speed	19.92 km/s
Inclination	?
Angular distance	95.698 mas
Longitude of periastron	67.7±8.4°
Time of periastron	2,450,605±29 JD
Semi-amplitude	39.0±1.0 m/s
Physical characteristics
Mass	>2.26 MJ

Rho Indi b is a planet that orbits around Rho Indi. Its semimajor axis is 2.54 AU placing just outside the star’s habitable zone. The planet takes 3.7 years to orbit the star. It is over twice as massive as Jupiter.

See also

• Tau¹ Gruis b

References

• Jones; Paul Butler, R.; Marcy, Geoffrey W.; Tinney, Chris G.; Penny, Alan J.; McCarthy, Chris; Carter, Brad D. (2002). "Extrasolar planets around HD 196050, HD 216437 and HD 160691" (abstract). Monthly Notices of the Royal Astronomical Society. 337 (4): 1170–1178. arXiv:astro-ph/0206216. Bibcode:2002MNRAS.337.1170J. doi:10.1046/j.1365-8711.2002.05787.x.{{cite journal}}: CS1 maint: unflagged free DOI (link)web preprint

External links

• The Extrasolar Planets Encyclopedia: HD 216437 planet entry