HD 12661 c is a giant exoplanet one and a half times the mass of Jupiter orbiting around HD 12661.[1]
![]() The exoplanet HD 12661 c (min mass ~1.57 MJ) | |
Discovery | |
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Discovered by | Fischer et al.[1] |
Discovery site | California & Carnegie Planet Search ![]() |
Discovery date | April 1, 2003 |
Detection method | Radial velocity |
Orbital characteristics | |
Semi-major axis | 2.56 AU (383,000,000 km) |
Eccentricity | 0.031 ± 0.022 |
Orbital period (sidereal) | 1708 ± 14 d |
Time of periastron | 2,452,130 ± 330 |
Argument of periastron | 38 |
Semi-amplitude | 29.27 ± 0.88 |
Star | HD 12661 |
HD 12661 System | |
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Star | |
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Constellation of Aries | |||||||||||
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