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HD 130322 b
Extrasolar planet List of extrasolar planets
Parent star

<tr> <td colspan="2">Star</td> <td>HD 130322</td></tr><tr> <td colspan="2">Constellation</td> <td>Virgo</td></tr><tr> <td>Right ascension</td> <td style="text-align: center">(α)</td> <td>14h 47m 32.7269s</td></tr><tr> <td>Declination</td> <td style="text-align: center">(δ)</td> <td>–00° 16′ 53.314″</td></tr><tr><td colspan="2">Distance</td><td>97.02 ly
(29.76 pc)</td></tr>

Orbital elements

<tr><td>Semimajor axis</td><td style="text-align: center">(a)</td> <td>0.088 AU</td></tr><tr> <td>Periastron</td> <td style="text-align: center">(q)</td> <td>0.084 AU</td></tr><tr> <td>Apastron</td> <td style="text-align: center">(Q)</td> <td>0.092 AU</td></tr><tr> <td>Eccentricity</td> <td style="text-align: center">(e)</td> <td>0.048</td></tr><tr><td>Orbital period</td><td style="text-align: center">(P)</td> <td>10.724 d
(0.029360 y)</td></tr><tr> <td>Orbital speed</td> <td style="text-align: center">(υ)</td> <td>90 km/s</td></tr><tr> <td>Argument of
periastron
</td> <td style="text-align: center">(ω)</td> <td>205 ± 22°</td></tr><tr> <td>Time of periastron</td> <td style="text-align: center">(T0)</td> <td>2451383.93
± 0.65 JD</td></tr><tr> <td>Semi-amplitude</td> <td style="text-align: center">(K)</td> <td>109.6 ± 4.2 m/s</td></tr>

Physical characteristics

<tr><td>Minimum mass</td><td style="text-align: center">(m sin i)</td><td>1.08 MJ
(343 M)</td></tr>

Discovery information

<tr> <td colspan="2">Discovery date</td> <td>4 May 2000</td></tr><tr> <td colspan="2">Discoverer(s)</td> <td>Udry, Mayor,
Pepe et al.</td></tr><tr> <td colspan="2">Discovery method</td> <td>Doppler spectroscopy
(CORALIE)</td></tr><tr> <td colspan="2">Discovery site</td> <td>La Silla Observatory</td></tr><tr> <td colspan="2">Discovery status</td> <td>Published</td></tr> <tr style="background-color: #A0B0FF;"><td align=center colspan=3>Database references</td></tr><tr valign=baseline><td colspan=2>Extrasolar Planets
Encyclopaedia
</td><td>data</td></tr><tr><td colspan=2>SIMBAD</td><td>data</td></tr>

HD 130322 b is an exoplanet with a minimum mass slightly more than that of Jupiter. It orbits the star in a very close orbit distance being only a quarter that of Mercury from the Sun. It is thus a so-called "hot Jupiter". The planet orbits the star every 10 days 17 hours in a very circular orbit.[1]

ReferencesEdit

External links Edit

Coordinates: Sky map 14h 47m 32.7269s, −00° 16′ 53.314″


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