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101 Helena has an epoch of 2006-12-31, a periapsis of 331683000.0 kilometres and an apoapsis of 441092000.0 (kilometres).
Walter Baade, who discovered 1036 Ganymed, studied at the University of Gottingen and had Allan Sandage as a doctoral student.
Allan Sandage was a doctoral student of Walter Baade, who discovered 1036 Ganymed and studied in the University of Gottingen.
101 Helena | epoch | 2006-12-31 101 Helena | periapsis | 331683000.0 (kilometres) 101 Helena | apoapsis | 441092000.0 (kilometres) 1036 Ganymed | discoverer | Walter Baade Walter Baade | alma mater | University of Göttingen Walter Baade | doctoral student | Allan Sandage 1036 Ganymed | discoverer | Walter Baade Walter Baade | alma mater | University of Göttingen Walter Baade | doctoral student | Allan Sandage