Iota Horologii b

Iota Horologii b
Artistic rendering of Iota Horologii b with hypothetical rings
Discovery
Discovered byKürster et al.
Discovery siteLa Silla Observatory
Discovery date29 July 1999[1]
Doppler spectroscopy
Orbital characteristics
0.91 AU (136 million km)
Eccentricity0.22 ± 0.06
311.3 ± 1.3 d
Inclination87°±6°[2]
2,451,308.8 ± 10.4
78.9 ± 13.1
Semi-amplitude57.1 ± 5.2
StarIota Horologii
Physical characteristics
Mass6.2±0.5 MJ[2]

Iota Horologii b (ι Hor b / ι Horologii b), often catalogued HR 810 b, is an extrasolar planet approximately 56.5 light-years away in the constellation of Horologium (the Pendulum Clock). Iota Horologii b has a minimum mass 2.26 times that of Jupiter; astrometric measurements from Gaia suggest it has a true mass of 6.2 MJ.[2]

  1. ^ Cite error: The named reference eso9938 was invoked but never defined (see the help page).
  2. ^ a b c Cite error: The named reference GaiaDR3Exoplanets was invoked but never defined (see the help page).