HD 75898 b

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HD 75898 b
Exoplanet List of exoplanets
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
Semi-major 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
periastron
(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
Encyclopaedia
data
SIMBAD data
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]

References[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:0708.0832Freely accessible. Bibcode:2007ApJ...670.1391R. doi:10.1086/522106. 

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