| Discovery | |
|---|---|
| Discovered by | Fischer et al.[1] |
| Discovery site | Lick and Keck Observatory Fairborn Observatory  USA |
| Discovery date | 13 June 2002 |
| Radial velocity | |
| Orbital characteristics | |
| Apastron | 1.085 AU (162,300,000 km) |
| Periastron | 0.625 AU (93,500,000 km) |
| 0.855 ± 0.049 AU (127,900,000 ± 7,300,000 km) | |
| Eccentricity | 0.269 ± 0.034 |
| 263.84 ± 0.71 d 0.72 y | |
Average orbital speed | 35.5 |
| 2,451,748.1 ± 8.6 | |
| 318 ± 10 | |
| Semi-amplitude | 112 ± 5 |
| Star | HD 40979 |
HD 40979 b is an extrasolar planet orbiting the star HD 40979, was detected from the Lick and Keck observatories and photometric observations at Fairborn Observatory reveal low-amplitude brightness variations in HD 40979. It is thought to be a large gas giant planet. It was discovered in 2002 by Debra Fischer.[1]