Power & Energy Budget
Orbital power balance
The existing energy view tracks sunlight generation, eclipse load, storage, and explicit margins over one orbit.
Orbit power balance
Solar generation must carry sunlit loads and replace battery energy before the next eclipse.
60 min sun / 35 min eclipse
End-of-life array
263.7 W
310.2 W beginning-of-life before degradation
Battery at bus
77.8 Wh
60% depth of discharge drives installed capacity
Total orbit load
190.0 Wh
90% distribution efficiency, 90% battery round trip
Required array power
310.2 W
263.7 W after degradation
Battery capacity
129.6 Wh
77.8 Wh bus energy
Orbit energy
190.0 Wh
70.0 Wh during eclipse
Peak ratio
0.68
Peak load divided by EOL array power
Open Source and Easy to Use Elsewhere
This tool is open source and the underlying logic is fully transparent. You can inspect the code, understand the calculations, and contribute improvements. If you want to use the tool in your own website, course page, or learning platform, you can also embed it directly and start from a ready-made iframe setup for this exact tool.
Open source: review the implementation and see how the results are produced.
Embeddable: preview this tool, copy the iframe, and use it in your own site or LMS.