| precision | type d |
| MaxStep | type d | ||
| Unit | type s | Parameter candidates : pc km m cm mm um nm Ang fm parsec kilometer meter centimeter millimeter micrometer nanometer angstrom fermi |
| DeltaIntersection | type d | ||
| Unit | type s | Parameter candidates : pc km m cm mm um nm Ang fm parsec kilometer meter centimeter millimeter micrometer nanometer angstrom fermi |
| LargestAcceptableStep | type d | ||
| Unit | type s | Parameter candidates : pc km m cm mm um nm Ang fm parsec kilometer meter centimeter millimeter micrometer nanometer angstrom fermi |
| choice | type s | Omittable : default value = CashKarpRKF45 | Parameter candidates : ExplicitEuler ImplicitEuler SimpleRunge ClassicalRK4 CashKarpRKF45 RKG3_Stepper |