Mu Arae b

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Mu Arae b
Extrasolar planet Lists of extrasolar planets
Parent star
Star Mu Arae
Constellation Ara
Right ascension (α) 17h 44m 08.7s
Declination (δ) −51° 50′ 03″
Spectral type G3IV–V
Orbital elements
Semimajor axis (a) 1.497 AU
Eccentricity (e) 0.128 ± 0.017
Orbital period (P) 643.25 ± 0.90 d
Inclination (i)  ?°
Longitude of
periastron
(ω) 294 ± 9°
Time of periastron (τ) 2452365.6 ± 12.6 JD
Physical characteristics
Mass (m) >1.676 MJ
Radius (r)  ? RJ
Density (ρ)  ? kg/m3
Temperature (T) ~240 K
Discovery information
Discovery date 2000
Discoverer(s) Butler, Marcy
Detection method Doppler Spectroscopy
Discovery status Published

Mu Arae b is at least one and a half times the mass of Jupiter and orbits within the star's habitable zone.This means that if the planet has any large moons orbiting it, they could support life. Its orbital period is 643.25 days. This planet's discovery was announced December 12, 2002.