HD 171028

Starbox short
name = HD 171028
epoch = J2000.0
constell = Ophiuchus
ra = 18^h 32^m 15.5^s
dec = +06º 56' 44.7"
spectral = G0
appmag_v = +8.31
dist_ly = 293.5±25.4
dist_pc = 90±7.8
names = BD+06º3833, SAO 123612, HD 171028

HD 171028 is a yellow star in the constellation Ophiuchus. The apparent magnitude is +8.31, which it can be visible in good binoculars. Unlike most planet-harboring stars, it does not have Hipparcos number, though the distance was estimated at 90±7.8 parsecs.

HD 171028 b

Planetbox begin
name = HD 171028 b Planetbox orbit
semimajor = 1.29
eccentricity = 0.61
period = 538±2
ang_dist = 14.333
long_peri = 305±1
t_peri = 2453648.92±1.89
semi-amp = ?Planetbox character
mass = >1.83 Planetbox discovery
discovery_date = 2007
discoverers = Santos et al.
discovery_method = Doppler spectroscopy
discovery_location = Geneva observatory
discovery_status = Confirmed HD 171028 b is a 1.83 M_J exoplanet orbiting very eccentrically around HD 171028. The period is 1.473 years and semi-major axis of 1.29 AU. The Geneva Extrasolar Planet Search team announced the discovery of planet on July 13, 2007.

External links

* [http://exoplanet.eu/star.php?st=HD+171028 HD 171028 at The Extrasolar Planets Encyclopaedia]