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101 Helena has an escape velocity of 0.0348 kilometres per second.
The escape velocity of 101 Helena is 0.0348 km per sec.
101 Helena has a periapsis of 331683000.0 kilometres.
101 Helena | escape velocity | 0.0348 (kilometrePerSeconds) 101 Helena | escape velocity | 0.0348 (kilometrePerSeconds) 101 Helena | periapsis | 331683000.0 (kilometres)