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Table B.1
Cost estimate for the interplanetary version of NEO SmallSat resulting from changes to a LEO CubeSat design.
| Change | Function | Cost, $M |
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| Total LEO CubeSat (before margins) | 7.5 | |
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| Replacement of UHF radio with Iris deep-space Transponder | To enable interplanetary communication and navigation | 0.4 |
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| Addition of propulsion system | Busek Thrusters (4x) | 1.0 |
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| Additions to ACS, power, structure, thermal subsystems | Increased spacecraft size, mass, and design work expected | 0.5 |
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| Operations | Trajectory planning and ground systems | 1.0 |
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| Total change | 2.9 | |
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| Total Interplanetary NEO SmallSat | 10.4 | |
| (before margins) | ||
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| Total Interplanetary NEO SmallSat | 12.5 | |
| (including 20% margin) | ||
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