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The Interplanetary Transport Network: Space Transportation Architecture for the 21st Century 5 May 2004 Shane Ross Everhart Lecture Series Control & Dynamical.

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Presentation on theme: "The Interplanetary Transport Network: Space Transportation Architecture for the 21st Century 5 May 2004 Shane Ross Everhart Lecture Series Control & Dynamical."— Presentation transcript:

1 The Interplanetary Transport Network: Space Transportation Architecture for the 21st Century 5 May 2004 Shane Ross Everhart Lecture Series Control & Dynamical Systems Animation Source: Cici Koenig Collaborators: M.W. Lo (JPL/NASA), J.E. Marsden & W.S. Koon (CDS)

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4 Source: John Frassanito & Associates

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7 Mars Moon Asteroids

8 Source: Greg Martin Terrestrial Planet Finder (TPF)

9 Jupiter’s Moons

10 IoEuropa GanymedeCallisto Earth Moon

11 Icy Moons

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14 You are here

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18 Fuel 90% Spacecraft 10%

19 Now you’re here

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22 Destinations, stay time => on-board fuel mass % Rockets => limited spacecraft mass

23  Apollo (Lunar Lander): 61%

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25  Pioneer / Voyager (Planetary Flybys): 46%

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28  Galileo (Jupiter Orbiter): 42%

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31  NEAR (Asteroid Orbiter / Lander): 40%

32  Genesis (Solar Wind Sample Return): 4%

33  Your car (San Francisco): 5%

34  Your car (Bakersfield, maybe?): 5%

35 Less fuel => more payload more science

36 Less fuel => more payload more science more bang per buck

37 You are here

38 Pick your destinations

39 Flybys

40 Pioneer and Voyager Probes

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42 Clever path choice

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44 Genesis and other future missions Moon’s orbit <= Sun

45 Multi-Moon Orbiter

46 Map of all the clever paths: Low energy passageways Image Source: Cici Koenig

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50 What makes a comet or spacecraft move along strange paths?

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52 Look at particle motion in field of only two bodies at a time

53 Jupiter and the Sun

54 Kepler Image source:

55 Newton

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57 UNSOLVABLE

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60 All Forces Balance

61 Park At Your Own Risk All Forces Balance

62 Euler Image source:

63 Lagrange

64 Lagrange Points L4 L5 L1 L2 L3 Lagrange

65 L1 L2

66 L1 L2 Poincaré “Chaos Theory”

67 L1 L2

68 L1 L2 WINDING OFF L1 ORBITL2 ORBIT Tubes WINDING ON

69 L1 L2 On One Tube WINDING OFF L1 ORBITL2 ORBIT WINDING ON

70 L1 L2 WINDING OFF L1 ORBITL2 ORBIT WINDING ON On Both Tubes

71 L1 L2 DEPARTING TUBE L1 GATEWAYL2 GATEWAY APPROACHING TUBE Inside The Tubes

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76 Earth’s Neighborhood

77 Sun-Earth-Spacecraft: EL 1, EL 2, … Earth-Moon-Spacecraft: LL 1, LL 2, … LL 5

78 Sun-Earth-Spacecraft: EL 1, EL 2, … Earth-Moon-Spacecraft: LL 1, LL 2, … LL 5

79 Genesis Sample Return Mission HALO ORBIT

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82 TUBES L2 GATEWAY MOON L1 GATEWAY STATION

83 TUBES L1 GATEWAY STATION L2 GATEWAY MOON EARTH EARTH L2 HALO ORBIT

84 Tube Hopping

85  Earth L 2 Earth Rotating Frame Deploying Deep Space Telescopes

86 Lunar L1 Gateway Station

87 Earth L2 STA-103 astronauts repairing the Hubble Space Telescope Telescope Servicing

88 Animation Source: Martin Lo, JPL

89 Moon Asteroids Mars Lunar L1 Gateway Station Deep Space Telescopes Transportation Hub

90 Sun-Earth L1, L2 Lunar L1 Gateway Moon Low Earth Orbit Earth Mars Earth’s Neighborhood Accessible Planetary Surfaces Outer Planets and beyond Sun, Mercury, Venus Solar System Metro Map

91 Jupiter’s Moons

92 Multi-Moon Orbiter

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98 Jupiter Icy Moons Orbiter (JIMO)

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100 Much more mapping to be done!

101 The End Unless otherwise stated, the source for all images not produced by Shane Ross or his co-authors and collaborators is NASA and the NASA websites and


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