HD 68988 b

HD 68988 b
Exoplanet List of exoplanets
Parent star
Star HD 68988
Constellation Ursa Major
Right ascension (α) 08h 18m 22.1731s
Declination (δ) +61° 27 38.599
Distance192 ly
(58.8 pc)
Spectral type G0
Orbital elements
Semi-major axis(a) 0.0704 AU
Periastron (q) 0.0599 AU
Apastron (Q) 0.0809 AU
Eccentricity (e) 0.1497 ± 0.0079
Orbital period(P) 6.27670 ± 0.000053 d
(0.0171844 y)
Orbital speed (υ) 122 km/s
Argument of
periastron
(ω) 40 ± 170°
Time of periastron (T0) 2451549.062 ± 0.040 JD
Semi-amplitude (K) 191.6 ± 1.7 m/s
Physical characteristics
Minimum mass(m sin i)1.92 MJ
Discovery information
Discovery date 15 October 2001
Discoverer(s) Vogt et al.
Discovery method Radial velocity
Discovery site Keck Observatory
Discovery status Published

HD 68988 b is a hot jupiter located approximately 192 light-years away in the constellation of Ursa Major, orbiting the star HD 68988 in a moderately eccentric orbit.[1][2]

See also

References

  1. Butler, R. P.; et al. (2006). "Catalog of Nearby Exoplanets". The Astrophysical Journal. 646 (1): 505–522. arXiv:astro-ph/0607493Freely accessible. Bibcode:2006ApJ...646..505B. doi:10.1086/504701.
  2. Vogt, Steven S.; et al. (2002). "Ten Low-Mass Companions from the Keck Precision Velocity Survey". The Astrophysical Journal. 568 (1): 352–362. arXiv:astro-ph/0110378Freely accessible. Bibcode:2002ApJ...568..352V. doi:10.1086/338768.

External links

Coordinates: 08h 18m 22.1731s, +61° 27′ 38.599″


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