Earth Return Vehicle Reference Version 1.0

Habitat Element: 51,974 kg
Life Support System: 6,000 kg
Crew Accomm. + Consumables: 22,500 kg
Health Care: 2,500 kg
EVA equipment: 4,000 kg
Comm/info management: 1,500 kg
30 kw PVA power system: 3474 kg
Thermal Control system: 2,000 kg
Structure: 10,000 kg
Science equipment: 900 kg
Spares: 3,500 kg
SUBTOTAL: 56,374 kg

Crew & Samples from Surface: 500 kg
ERV MASS AT TEl: 63,274 kg

TEl stage dry mass: 5,200 kg
Propellant mass : 52,000 kg
Aerobrake : 17,300 kg
TOTAL TEI MASS : 120,474 kg

TOTAL MOI MASS : 131,374 kg

NTR Propulsion System: 28,900 kg
TMI Propellant : 86,000 kg
TOTAL INITIAL MASS: 246,274 kg