HD 89744 b
HD 89744 b is an eccentric Jupiter extrasolar planet orbiting the star HD 89744.
| Discovery | |
|---|---|
| Discovered by | Korzennik et al. |
| Discovery site | Whipple Observatory |
| Discovery date | 2000 |
| Doppler spectroscopy | |
| Orbital characteristics | |
| 0.917±0.009 AU | |
| Eccentricity | 0.677±0.003 |
| 256.78±0.02 d | |
| 193.7±0.4 º | |
| Semi-amplitude | 269.66±1.45 m/s |
| Star | HD 89744 |
| Physical characteristics | |
| Mass | ≥8.35±0.18 MJ |
In a simulation of a 10 million year span, this planet swept away all test particles "except for a narrow region near the 8:3 resonance". There can be no planets in this star's habitable zone. Observation has ruled out any planet over 0.7 Jupiter mass within a year period.
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