Gravitational Influence (Hill Sphere):
| 2461.612 AU / 368252450000 km
| Max Stable Prograde Moon Orbit:
| 886.18 AU / 132570880000 km
| Max Moon Mass:
| > 10 Earths
| Tidally locked if older than:
| > 20 Gyr
Notes: 1 from planet formation models of Burrows et al 2 from planet formation models of Burrows et al
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| Year Discovered:
| 1999
| Detection Method:
| Inferred from Cometary Orbit Perturbations
| Discovered By:
| Independantly by Murray and Matese
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