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Learn about a method using gravity assist maneuvers for landing on Jupiter's moons. Explore simulations, refined models, and optimization schemes for effective spacecraft trajectories. Join the International Colloquium and Workshop in Moscow, Russia to delve into innovative space exploration strategies.
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Golubev Yu.F., Grushevskii A.V.,Koryanov V.V., Tuchin A.G.golubev@keldysh.ruA Method of Orbits Designing Using Gravity Assist Maneuvers to the Landing on the Jovian’s Moons International Colloquium and Workshop“Ganymede Lander: scientific goals and experiments” Moscow, Russia, 4-8 March 2013 Keldysh Institute of Applied MathematicsRussian Academy of Sciences
CB-Classic Billiard Duplex Shutting CGB-Classic Gravitational Billiard
3D-gravity assist maneuver Picture from: Barrabéz E., Gómez G., Rodríguez-Canabal J. Notes for the gravitational assistedtrajectories. // Advanced topics in astrodynamics. Summer course. Barcelona, July 2004.
ESA- JUICE Mission Endgame Ganymede Flyby-JOI- G&C-Flyby Sequence
Roscosmos part: Ganymede Landing • Flexible JOI Data • Flexible G&C-Flyby Sequence • GOI • Ganymede Circular Orbit • Landing
Roscosmos part: Ganymede Landing. Resonance beginning. Typical scenario ESTK complex of Keldysh IAM RAS Ballistic Center Navigation and Ancillary Information Facility (NAIF) - NASA Refined Flyby Model
Joining to Jovian System After Interplanetary Part • Time of Jovian sphere of action2029/06/03 09:25:10 UTC • Flyby hyperbola( J2000) • Semimajor axe, km 5252.572592 • Eccentricity 1.163115 • Inclination 23.44 grad • V-Infinity, km/s 4.91 • Pericenter Time 2029/08/29 17:20:35 UTC • Pericenter altitude 12.5 RJ
Typical radiation hazard analysis on the ENDGAME phase Dynamics of the radiation accumulation
Typical radiation hazard analysis on the ENDGAME phase Dynamics of the radiation accumulation- zoom scale
Dynamics of the radiation accumulation- on one orbit. Quasi-singularity
Tisserand-Poincare graph(by N.Strange, J.Sims, Kevin W.Kloster, James M.Longuskie.a.)
The V∞ Globe (from Russel, Strange et al. (2007)) Represents all possible V∞ vector tips after a fly-by
Pareto front of Tisserand Graphfor the Roscosmos Laplace mission
Pareto front trees of Tisserand graphfor Russian Laplace mission
Research basement • Orbit correction algorithm preceding spacecraft’s Jovian moons gravity assists • Gravity assists refined model • ESTK KIAM RAS Ballistic centre complex • Navigation and Ancillary Information Facility (NAIF) -NASA ephemeris— will be refined during JUICE byESA
Fly-by sequence selection strategy • Lambert problem solution; • The phase-beams method; • Delta V minimizations; • Gravity-assist parameters permanent corrections; • Simulations results are presented.
Using PHASE BEAM method of Gravity Assists Sequences Determination
Callisto & Ganymede • Tour design problem lends itself well to optimization schemes Callisto & Ganymede assists us to minimize fuel requirements