Gravitational Influence (Hill Sphere):
| 0.006 AU / 990000 km
| Max Stable Prograde Moon Orbit:
| 0.002 AU / 350000 km
| Max Moon Mass:
| 0.0204 Earths 1.6601 x Moon
| Tidally locked if older than:
| 420 Myr
| Estimated Bond Albedo:
| ~ 0.05 3
Notes: 1 from planet formation models of Burrows et al 2 from planet formation models of Burrows et al 3 from Sudarsky et al. 2000
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| Year Discovered:
| 1999
| Detection Method:
| Doppler Spectroscopy
| Discovered By:
| Udry S., Mayor M., Naef D., Pepe F., Queloz D., Santos N., Burnet M.
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