Apollo 11 go inertial

[joe1956]

In the Apollo 11 flight plan what is meant by go inertial? Is this just the CSM orbiting freely? Thanks

 

[indy91]

Yeah, with nulled attitude rates. This is often done in lunar orbit and is basically the opposite of orb rate, where you are pointing a specific part of the spacecraft at the Moon, with the help of the ORDEAL. In orb rate you have a constant (usually pitch) rate, when in inertial hold your attitude rates are ideally all zero.