11 Comae Berenices b
Extrasolar planet List of extrasolar planets
Parent star

<tr> <td colspan="2">Star</td> <td>11 Comae Berenices</td></tr><tr> <td colspan="2">Constellation</td> <td>Coma Berenices</td></tr><tr> <td>Right ascension</td> <td style="text-align: center">(α)</td> <td>12h 20m 43.03s</td></tr><tr> <td>Declination</td> <td style="text-align: center">(δ)</td> <td>+17° 47′ 34.3″</td></tr><tr><td colspan="2">Distance</td><td>360.79 ± 31.34 ly
(110.62 ± 9.61 pc)</td></tr><tr><td colspan="2">Spectral type</td> <td>G8+III</td></tr>

Orbital elements

<tr><td>Semimajor axis</td><td style="text-align: center">(a)</td> <td>1.29 ± 0.05 AU</td></tr><tr> <td>Eccentricity</td> <td style="text-align: center">(e)</td> <td>0.231 ± 0.005</td></tr><tr><td>Orbital period</td><td style="text-align: center">(P)</td> <td>326.03 ± 0.32 d</td></tr><tr> <td>Argument of
</td> <td style="text-align: center">(ω)</td> <td>94.8 ± 1.5°</td></tr><tr> <td>Time of periastron</td> <td style="text-align: center">(T0)</td> <td>2452899.6 ± 1.6 JD</td></tr>

Physical characteristics

<tr><td>Minimum mass</td><td style="text-align: center">(m sin i)</td><td>19.4 ± 1.5 MJ</td></tr>

Discovery information

<tr> <td colspan="2">Discovery date</td> <td>2007</td></tr><tr> <td colspan="2">Discoverer(s)</td> <td>Liu, Y.-J.</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>

Other designations
HR 4697 b, HD 107383 b, SAO 100053 b, 2MASS J12204305+1747341 b, TYC 1445-02560-1 b, IRAS 12181+1804 b, BD+18 2592 b, WDS J12207+1748 A b, HIP 60202 b

11 Comae Berenices b, (11 Com b) is an extrasolar planet orbiting the star 11 Comae Berenices, approximately 360.79lys away in the constellation of Coma Berenices. It is a massive planet with an estimated mass of 19.4 Jupiters with an orbit around its parent star of 1.29AU. It was discovered in 2007 from discoverer Liu, Y.-J. by radial velocity.

External linksEdit

  • California Institute of Technology. 11 Com b. Retrieved 25 January 2014.
  • Extrasolar Planets Encyclopaedia. 11 Com b. Retrieved 25 January 2014.
  • Exoplanet Orbit Database. Exoplanets - Detail View. Retrieved 25 January 2014.


Coordinates: Sky map 12h 20m 43.03s, +17° 47′ 34.3″

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