91 Aquarii b

91 Aquarii b

Planetbox begin
name = 91 Aquarii bPlanetbox star
star = 91 Aquarii A
constell = Aquarius
RA = RA|23|15|53.5
DEC = DEC|−9|05|16
dist_ly = 148
dist_pc = 46
class = K0IIIPlanetbox orbit
semimajor = 0.324
eccentricity = 0.003
period = 181.84
ang_dist = 7.129
long_peri = 129.57
t_peri = 2,454,478.1
semi-amp = 97.3Planetbox character
mass = >2.942
radius=
density=
gravity=
temperature=1212 Planetbox discovery
discovery_date = 16 November 2003
discoverers = Mitchell et al.
discovery_method = Radial velocity
discovery_site = flag|United States
discovery_status = Published Planetbox catalog
names=Psi1 Aquarii b, HD 219449 bPlanetbox reference
star=HD+219449
planet=b

91 Aquarii b, also known as Psi1 Aquarii b, is an extrasolar planet orbiting in the 91 Aquarii system approximately 148 light-years away in the constellation of Aquarius. 91 Aquarii b is a hot Jupiter with mass nearly three times that of Jupiter. It orbits at the average distance of 48.5 Gm from its star, which is closer than Mercury is to the Sun (57.9 Gm). The planet takes half a year to revolve around the star in a very circular orbit (e=0.003).

See also

*HD 59686 b
*Iota Draconis b

References

*

External links

* [http://exoplanet.eu/star.php?st=HD+219449 The Extrasolar Planets Encyclopaedia: HD 219449]
* [http://www.extrasolar.net/planettour.asp?StarCatID=normal&PlanetID=259 Extrasolar Visions: 91 Aquarii b]


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