From the Extrasolar Planets Encyclopaedia : http://exoplanet.eu 
Planet : GJ 317 b
THE PLANET
- Basic data : 
 
Name GJ 317 b
Discovered in2007   
M.sin i1.2 MJ ref.
Semi major axis0.95 AU ref.
Orbital period692.9 (± 4) days ref.
Eccentricity0.193 (± 0.06)   ref.
ω344 (± 10) deg. ref.
Tperi2451639 (± 30)  ref.
Update06/07/07   
- No molecule detected
 
- Remarks : 
 06 Jul. 07: A possible second, yet unconfirmed, planet may be present: GJ 317 c (Johnson et al. 2007). The orbital period of GJ 317 b would then be 673.4 days and the eccentricity 0.25
 7 related publications :  (sort by author)  (sort by date)
THE STAR
- Basic data :   
- More data : 
  - Basic data (from Simbad)
- Most recent ref (from ADS)
 
Name GJ 317
Distance9.17 (± 1.7) pc ref.
Spectral TypeM3.5   
Apparent Magnitude V12   
Apparent Magnitude H5.9   
Apparent Magnitude J6.41   
Apparent Magnitude K5.59   
Mass0.24 (± 0.04) Msun ref.
Metallicity [Fe/H]-0.23 (± 0.2)   ref.
Right Asc. Coord.08 40 59   
Decl. Coord.-23 27 23