HD 87883 b

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HD 87883 b
Extrasolar planet List of extrasolar planets
Parent star
Star HD 87883
Constellation Leo Minor
Right ascension (α) 10h 08m 43.140s[1]
Declination (δ) +34° 14′ 32.13″[1]
Apparent magnitude (mV) 7.56
Distance 59.4 ± 0.6[1] ly
(18.2 ± 0.2[1] pc)
Spectral type K0V
Orbital elements
Semimajor axis (a) 3.60 ± 0.08 AU
Periastron (q) 1.69 AU
Apastron (Q) 5.51 AU
Eccentricity (e) 0.53 ± 0.12
Orbital period (P) 2754 ± 87 d
(7.54 ± 0.24 y)
Argument of
periastron
(ω) 191 ± 15°
Time of periastron (T0) 11139 ± 90 JD
Physical characteristics
Minimum mass (m sin i) 1.78 ± 0.34 MJ
Discovery information
Discovery date August 13, 2009
Discoverer(s)
Discovery method Radial velocity
Discovery status Published[2]
Database references
Extrasolar Planets
Encyclopaedia
data
SIMBAD data

HD 87883 b is an extrasolar planet which orbits the K-type main sequence star HD 87883, located approximately 59 light years away in the constellation Leo Minor. It is a long-period planet, taking seven and a half years to orbit the star at the average distance of 3.60 AU. However this planet orbits in a very eccentric path, which ranges distance from as close as 1.69 AU to as far as 5.51 AU. This planet was detected by radial velocity method on August 13, 2009.[2]

References[edit]

Coordinates: Sky map 10h 08m 43.1395s, +34° 14′ 32.135″