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From freem


This conversation was exported from ChatGPT[1]

gpt-5-2-thinking[edit | edit source]

User: Based on this image, how much deltaV would it cost me to arrive in low orbit of Sarnus?[edit | edit source]

Based on this image, how much deltaV would it cost me to arrive in low orbit of Sarnus?

Assistant: On this Δv map, the total to reach low orbit of Sarnus from Kerbin’s surface is 28,980 m/s ≈ 29 km/s — that’s the numbe…[edit | edit source]

On this Δv map, the total to reach low orbit of Sarnus from Kerbin’s surface is ~28,980 m/s (≈ 29 km/s) — that’s the number printed under “Sarnus”.

Useful baselines (same map logic):

  • From low Kerbin orbit (LKO): ~28,980 − 3,400 ≈ 25,580 m/s
  • From Kerbin escape: ~28,980 − (3,400 + 950) ≈ 24,630 m/s

Notes the map is implicitly screaming:

  • That’s vacuum Δv and doesn’t include plane-change Δv.
  • If you aerobrake in Sarnus’s atmosphere (or do clever gravity assists), your required capture Δv can drop a lot compared to the map’s brute-force number.

References[edit | edit source]

  1. "deltaV assessment test". ChatGPT. Retrieved 2026-01-15.