HD 75898 b

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HD 75898 b
Extrasolar planet List of extrasolar planets
Parent star
Star HD 75898
Constellation Lynx
Right ascension (α) 08h 53m 50.8051s
Declination (δ) +33° 03′ 24.522″
Apparent magnitude (mV) 8.04
Distance 262.82 ly
(80.58 pc)
Spectral type G0IV
Orbital elements
Semimajor axis (a) 1.168 AU
(174.7 Gm)
Periastron (q) 1.054 AU
(157.7 Gm)
Apastron (Q) 1.282 AU
(191.8 Gm)
Eccentricity (e) 0.10
Orbital period (P) 407.26 d
(1.1150 y)
Argument of
(ω) 130 ± 10°
Time of periastron (T0) 2,453,095.2 ± 6.8 JD
Semi-amplitude (K) 49.35 m/s
Physical characteristics
Minimum mass (m sin i) 2.51 MJ
(798 M)
Discovery information
Discovery date January 11, 2007
Discoverer(s) Robinson et al.[1]
Discovery method Doppler spectroscopy
Discovery status Published[1]
Database references
Extrasolar Planets
Exoplanet Archive data
Open Exoplanet Catalogue data

HD 75898 b is an extrasolar planet approximately 263 light years away in the constellation of Lynx. This is a giant planet orbiting the star HD 75898. The minimum mass is two and a half times more than Jupiters, suggesting it is a gas giant. The planet orbits at 1.168 AU from the star, taking 1.1 year to orbit in relatively circular orbit.

See also[edit]


  1. ^ a b Robinson, Sarah E. et al. (2007). "Two Jovian-Mass Planets in Earthlike Orbits". The Astrophysical Journal 670 (2): 1391–1400. arXiv:0708.0832. Bibcode:2007ApJ...670.1391R. doi:10.1086/522106. 

Coordinates: Sky map 08h 53m 50.8051s, +33° 03′ 24.522″