Vo: star-centric orbital velocity
Ve: star-centric escape velocity
Vop: planetary orbital velocity from surface
Vep: planetary escape velocity from surface


earth (real solar system)
Vop: 7.9 km/s
Vep: 11.18 km/s
Vep-Vop: 3.28 km/s
-
SMA: 10 kAU (1 au)
Vo: 29.78 km/s
Ve: 42.12 km/s
Ve-Vo: 12.34 km/s


earth (ksp-scale) -- similar to kerbin
Vop: 2.5 km/s
Vep: 3.54 km/s
Vep-Vop: 1.037 km/s
-
SMA: 1 kAU
Vo: 9.42 km/s
Ve: 13.3 km/s
Ve-Vo: 3.88 km/s


mesbin
eq speed: 8.745 km/s
Vop_srf: 1.565 km/s
Vop: 10.31 km/s
Vep: 14.59 km/s
Vep-Vop-Eqspeed: 4.28 km/s
rough min delta-v to mesbin escape: 5.845 km/s
-
SMA: 1.455 kAU
Vo: 10.18 km/s
Ve: 14.398 km/s
Ve-Vo: 4.218 km/s
(Ve-Vo)+(RMDTME) = 10 km/s


PJ2 hw attempt 1: (0.3x Cc's orbit)
SMA: 0.0048 kAU
Vo: 38.35 km/s
Ve: 54.24 km/s
Ve-Vo: = 15.89 km/s

0.5x Cc's orbit
SMA:
Vo: 29.70 km/s
Ve: 42.01 km/s
Ve-Vo: 12.31 km/s


let's try  0.00699410425 kAU