INPUT GUIDE TO MASSPROP \massprop\input.txt The input to massprop is described in the NASA document. Each component is described on two input records that must be carefully formatted as follows: Record 1: Item No. cols 1-3 Description cols 4-21 Shape cols 22-23 Weight or density cols 24-32 A cols 33-40 B cols 41-48 C cols 49-56 D cols 57-64 F cols 65-72 Record 2: XI cols 1-8 YI cols 9-16 ZI cols 17-24 XJ cols 25-32 YJ cols 33-40 ZJ cols 41-48 XK cols 49-56 YK cols 57-64 ZK cols 65-72 There may be up to 200 individual components.