HD 69830 c

HD 69830 c
Exoplanet List of exoplanets
Parent star
Star HD 69830
Constellation Puppis
Right ascension (α) 08h 18m 23.947s[1]
Declination (δ) −12° 37 55.81[1]
Apparent magnitude (mV) 5.95
Distance40.7 ± 0.2[1] ly
(12.49 ± 0.05[1] pc)
Spectral type G8V
Mass (m) 0.86 ± 0.03 M
Radius (r) 0.89 R
Temperature (T) 5385 ± 20 K
Metallicity [Fe/H] −0.05 ± 0.02
Age 5.1–6.1 Gyr
Orbital elements
Semi-major axis(a) 0.186 AU
Eccentricity (e) 0.13 ± 0.06
Orbital period(P) 31.56 ± 0.04 d
Argument of
periastron
(ω) 221 ± 35°
Time of periastron (T0) 2,453,469.6 ± 2.8 JD
Semi-amplitude (K) 2.66 ± 0.16 m/s
Physical characteristics
Minimum mass(m sin i)0.038 MJ
Temperature (T) ~522
Discovery information
Discovery date May 18, 2006
Discoverer(s) Lovis et al.[2]
Discovery method Radial velocity
Discovery status Published[2]
Database references
Extrasolar Planets
Encyclopaedia
data
SIMBADdata
Exoplanet Archivedata
Open Exoplanet Cataloguedata

HD 69830 c is an exoplanet orbiting HD 69830. It is the second-closest planet in its system and likely to be a rocky planet, not a gas giant.[2] If it had formed as a gas giant, it would have stayed that way.[3]

References

Coordinates: 08h 18m 23.9s, −12° 37′ 55.8″


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