Level 2 Requirements (MRD) Martin B. Houghton

Level 2 Requirements Organization

Mission Requirements Document 431-SPEC-000004 3.0 MISSION REQUIREMENTS 3.1 Mission Derived Requirements 3.1.1 Mission Design 3.1.2 Launch Vehicle 3.1.3 Accommodation 3.1.4 Mission Success 3.2 Instrument Requirements 3.3 Spacecraft Requirements 3.3.1 Mechanical 3.3.2 Thermal 3.3.3 GN&C 3.3.4 Power 3.3.5 C&DH 3.3.6 Comm 3.3.7 Software 3.4 Ground System Requirements 3.4.1 General Ground System 3.4.2 Mission Ops Center 3.4.3 Flight Dynamics 3.4.4 Ground Network 3.4.5 Data & Voice Networks (MIL-STD-490)

MRD-3.1.1 Mission Design (1/3)

MRD-3.1.1 Mission Design (2/3)

MRD-3.1.1 Mission Design (3/3)

MRD-3.1.2 Launch Vehicle

MRD-3.1.3 Accommodation (1/4)

MRD-3.1.3 Accommodation (2/4)

MRD-3.1.3 Accommodation (3/4)

MRD-3.1.3 Accommodation (4/4)

MRD-3.1.4 Mission Success (1/2)

MRD-3.1.4 Mission Success (2/2)

MRD-3.2 Instrument Requirements - REMOVED TO INSTRUMENT REQUIREMENTS DOCUMENTS -

MRD-3.3.1 Mechanical (1/2)

MRD-3.3.1 Mechanical (2/2)

MRD-3.3.2 Thermal

MRD-3.3.3 GN&C (1/2)

MRD-3.3.3 GN&C (2/2)

MRD-3.3.4 Power

MRD-3.3.5 C&DH (1/2)

MRD-3.3.5 C&DH (2/2)

MRD-3.3.6 Comm (1/2)

MRD-3.3.6 Comm (2/2)

MRD-3.3.7 Software (1/2)

MRD-3.3.7 Software (2/2)

MRD-3.4.1 General Ground System

MRD-3.4.2 Mission Ops Center

MRD-3.4.3 Flight Dynamics

MRD-3.4.4 Ground Network

MRD-3.4.5 Data & Voice Networks

Level 2 Requirements Summary All Level 2 Requirements are well defined Requirements docs are logically organized Several specialized companion documents Have couple of requirements under review High Accuracy Tracking: 10 cm, 1 sec avg Sun avoidance: 0.1 deg/s thru fields of regard Clock stability: over laser pulse time of flight