| 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 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. | |
| Detection method | Doppler spectroscopy | |
| Discovery status | Published | |
| Database references | ||
| Extrasolar Planets Encyclopaedia |
data | |
| SIMBAD | 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.