HD 66428 b

Planetbox begin
name = HD 66428 b Planetbox star
star = HD 66428
constell = Monoceros
RA = RA|08|03|28.6652
DEC = DEC|-01|09|45.752
dist_ly = 179 ± 12.4
dist_pc = 55 ± 3.8
class = G3VPlanetbox orbit
semimajor = 3.18 ± 0.19
semimajor_gigameter = 476
periastron = 1.70
periastron_gigameter = 254
apastron = 4.66
apastron_gigameter = 697
eccentricity = 0.465 ± 0.03
period = 1973 ± 31
period_year = 5.402
period_megasecond = 170.5
speed = 17.6
ang_dist = 57.818
long_peri = 152.9 ± 3.9
t_peri = 2,412,139 ± 16
semi-amp = 48.3 ± 2.7Planetbox character
mass = >2.82
radius = ~0.998
density = ~3760
gravity_earth = ~7.47
gravity = ~73.3
temperature = ~157 Planetbox discovery
discovery_date = July 15, 2006
discoverers = Butler et al.
discovery_site = flagicon|United States California
discovery_method = radial velocity
discovery_status = published Planetbox catalog
names = HIP 39417 b

HD 66428 b is a long-period jovial exoplanet located approximately 179 light-years away in the constellation of Monoceros. This 2.82 M_J planet takes 1973 days or 5.402 years to orbit around HD 66428. The average distance is 3.18 AU. This planet is a so-called eccentric Jupiter with an orbital eccentricity of 0.465. At periastron, the distance is 1.70 AU and at apastron, the distance is 4.66 AU.

References

*cite journal | url=http://www.journals.uchicago.edu/doi/abs/10.1086/504701 | author=Butler "et al." | title=Catalog of Nearby Exoplanets | journal=The Astrophysical Journal | volume=646 | issue=1 | pages=505 – 522 | year=2006 | doi=10.1086/504701 ( [http://xxx.lanl.gov/abs/astro-ph/0607493 web Preprint] )

External links

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