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HD 159868 b
Extrasolar planet List of extrasolar planets
Orbital elements

<tr><td>Semimajor axis</td><td style="text-align: center">(a)</td> <td>2 ± 0.3 AU</td></tr><tr> <td>Eccentricity</td> <td style="text-align: center">(e)</td> <td>0.69 ± 0.02</td></tr><tr><td>Orbital period</td><td style="text-align: center">(P)</td> <td>986 ± 9 d</td></tr><tr> <td>Argument of
periastron
</td> <td style="text-align: center">(ω)</td> <td>97 ± 3°</td></tr><tr> <td>Time of periastron</td> <td style="text-align: center">(T0)</td> <td>2,450,700 ± 9 JD</td></tr><tr> <td>Semi-amplitude</td> <td style="text-align: center">(K)</td> <td>43.3 ± 2 m/s</td></tr>

Physical characteristics

<tr><td>Mass</td><td style="text-align: center">(m)</td><td>≥ 1.7 ± 0.3 MJ</td></tr>

Discovery information

<tr> <td colspan="2">Discovery date</td> <td>February 9, 2007</td></tr><tr> <td colspan="2">Discoverer(s)</td> <td>O'Toole et al.</td></tr><tr> <td colspan="2">Discovery method</td> <td>radial velocity</td></tr><tr> <td colspan="2">Discovery status</td> <td>Published</td></tr>

HD 159868 b is an extrasolar planet that orbits HD 159868. It is a jovian planet. The orbit is extremely eccentric at the average distance of 2 AU. The orbital distance ranges from as close as 0.62 AU to as far as 3.38 AU.[1]

See also Edit

References Edit

  1. (2007). New Planets around Three G Dwarfs. The Astrophysical Journal 660 (2): 1636–1641.

Coordinates: Sky map 17h 38m 59.526s, −43° 08′ 43.85″


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