HD 46375 b

HD 46375 b

Planetbox begin
name=HD 46375 b
Planetbox star
star = HD 46375
constell = Monoceros
RA=RA|06|33|12.6237
DEC=DEC|+05|27|46.532
dist_ly=108.9
dist_pc=33.41
class=K1IV
Planetbox orbit
semimajor=0.0398±0.0023
semimajor_gigameter = 5.95
periastron = 0.0373
periastron_gigameter = 5.58
apastron = 0.0423
apastron_gigameter = 6.33
eccentricity=0.063±0.026
period=3.023573±0.000065
period_year = 0.008277947
period_megasecond = 0.2612367
speed = 144
ang_dist=1
long_peri=114±24
t_peri=2,451,071.53±0.19
semi-amp=33.65±0.74
Planetbox character
mass=>0.226±0.019
radius = ~0.733
density = ~649
gravity_earth = ~0.999
gravity = ~9.79
temperature = ~1165
Planetbox discovery
discovery_date=March 29, 2000
discovery_method=Radial velocity
discovery_site=flagicon|United States California, USA
discoverers=Marcy, Butler,
Vogt "et al"
discovery_status=Published
Planetbox catalog
names = HIP 31246 b

HD 46375 b is an extrasolar planet located approximately 109 light-years away in the constellation of Monoceros, orbiting the star HD 46375. With 79 Ceti b on March 29, 2000, it was the first known extrasolar planet less massive than Saturn orbiting a normal star. The planet is a "hot Jupiter", a type of planet that orbits very close to its parent star. In this case the orbital distance is only a tenth that of the planet Mercury. No transit of the planet has been detected, so its inclination must be less than 83°. Because the inclination is unknown, the true mass of the planet is not known. However, it is very unlikely that it is much larger than the calculated minimum mass.


References

*cite journal | url=http://www.journals.uchicago.edu/doi/full/10.1086/312723 | author=Marcy "et al"| title=Sub-Saturn Planetary Candidates of HD 16141 and HD 46375 | journal=The Astrophysical Journal | year=2000 | volume=536 | issue=1 | pages=L43 – L46| doi=10.1086/312723
*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 | format=abstract ( [http://xxx.lanl.gov/abs/astro-ph/0607493 web Preprint] )

External links

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