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Design of Gravity Assist trajectory from Earth to Jupiter


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Fig. 1

Description of the mission from Earth to fly by with Mars
Description of the mission from Earth to fly by with Mars

Fig. 2

Escape from Earth
Escape from Earth

Fig. 3

fly by with Mars
fly by with Mars

Calculations of Lambert problems

lambert earth - MarsLambert Mars -Jupiter
r0x (km)-1.280952970127814 × 108r2x = r1x (km)1.588109522284044 × 108
r0y (km)-7.873040871488884 × 107r2y = r1y (km)-1.331196049556935 × 108
r0z (km)4241.23706297353500r2z = r1z (km)-6690470.129802731
r1x (km)1.588109522284044 × 108r3x (km)5.331461279416993 × 108
r1y (km)-1.3311960495569350 × 108r3y (km)5.392020271071861 × 108
rz (km)-6690470.12980273100r3z (km)-9671957.471152349
Δ t1(s)1.054080811623402 × 107Δ t2(s)8.25504364820473 × 107
μs (km3/s2)1.32712428000 × 1011μs (km3/s2)1.32712428 × 1011
V0x (km/s)18.61716546638244600V2x (km/s)30.823073404118684
V0y (km/s)-28.29950136444239000V2y (km/s)4.934176592416298
V0z (km/s)-1.152116764359739900V2z (km/s)-0.8994633203622276
V1x (km/s)21.7254264303175400V3x (km/s)-5.888427200446674
V1y (km/s)13.84469939965363100V3y (km/s)3.2105733597573787
V1z (km/s)0.013528429195021072V3z (km/s)0.22569580208145187

Capture from Jupiter at T2V⃗3 = {-5.888427200446674, 3.2105733597573787, 0.22569580208145187}V⃗J = {9.130213923868334, 9.803076409849977, -0.2456201552966279}JD (Julian day No) of T2 = 0.21253784951961086V⃗∞3 = {-15.0186, -6.5925, 0.471316}

V∞2 (km/s)μJ (km3/s2)rp1 (km)e2Δ (km)Vp3 (km/s)Δ V3 (km/s)
16.40861.26675 × 108699111.1485926584262.3951-62.3951

Escape from Earth at T0V⃗E0 = {15.113446216468128, -25.49053048920682, 0.0008860019561318039}V⃗0 = {18.617165466382446, -28.29950136444239, -1.1521167643597399}V⃗∞1 = {3.50372, -2.80897, -1.153}JD (Julian day No) of T0 = 2458230.5V(parking orbit) = 11.8689(km/s)

V∞1 (km/s)μE (km3/s2)rp1 (km)e1h1β(red)Vp1 (km/s)Δ V1 (km/s)
4.636353.986004415 × 1056678.13631.3601479262.1.7448077.725764.14313

Fly by Mars at T1V⃗in = V⃗1 = {21.72542643031754, 13.844699399653631, 0.013528429195021072}V⃗out = V⃗2 = {30.823073404118684, 4.934176592416298, -0.8994633203622276}V⃗M = {16.48592538172737, 20.64382791494634, 0.02774276866812586}JD (Julian day No) of T1 = 2458230.5

V∞2 (km/s)μM (km3/s2)rp1 (km)e2Δ (km)Vout/M (km/s)δ (red)Δ V2 (km/s)
8.583754.305 × 10411968.621.484412539.321.28870.093124412.7049
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