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HD 12661 b

Coordinates: Sky map 02h 04m 34.36s, +25° 24′ 53″
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HD 12661 b
The exoplanet HD 12661 b (min mass ~2.3 MJ) as rendered by Celestia
Discovery
Discovered byFischer et al.
Discovery siteCalifornia & Carnegie
Planet Search
 USA
Discovery dateApril 4, 2001
Radial velocity
Orbital characteristics
0.834 ± 0.048 AU (124,800,000 ± 7,200,000 km)
Eccentricity0.361 ± 0.011
262.53 ± 0.27 d
2,450,214.1 ± 2.9
296.3±2.6
Semi-amplitude74.19 ± 0.85
StarHD 12661
Physical characteristics
Mass>2.34 ± 0.19 MJ

HD 12661 b is a giant exoplanet two and a half times the mass of Jupiter orbiting around the star HD 12661.[1]

References

  1. ^ Fischer, Debra A.; et al. (2001). "Planetary Companions to HD 12661, HD 92788, and HD 38529 and Variations in Keplerian Residuals of Extrasolar Planets". The Astrophysical Journal. 551 (2): 1107–1118. Bibcode:2001ApJ...551.1107F. doi:10.1086/320224.



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