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Astrodynamics applied to space vehicles.

Grant number: 16/14665-2
Support Opportunities:Regular Research Grants
Duration: November 01, 2016 - October 31, 2018
Field of knowledge:Engineering - Aerospace Engineering - Flight Dynamics
Principal Investigator:Antônio Fernando Bertachini de Almeida Prado
Grantee:Antônio Fernando Bertachini de Almeida Prado
Host Institution: Instituto Nacional de Pesquisas Espaciais (INPE). Ministério da Ciência, Tecnologia e Inovação (Brasil). São José dos Campos , SP, Brazil

Abstract

The idea of this work is to continue the study of models and methods commonly used in astrodynamics spacecraft. It includes the calculation of optimal spatial trajectories, from the viewpoint of fuel efficiency to a transfer of a spacecraft between two given orbits. In this situation, we will study various options for modeling the dynamics of the action of actuators and optimization methods. Classical methods (Hohmann transfer bi-elliptical, etc.) and modern (involving gravitational capture maneuver assisted by gravity and "tethers") are searched. It is also intended to develop studies on missions to asteroids, in particular topics related to Aster mission, currently undergoing feasibility studies. (AU)

Articles published in Agência FAPESP Newsletter about the research grant:
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Scientific publications (59)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
PRADO, ANTONIO F. B. A.; GOMES, VIVIAN MARTINS; GIL CHANUT, THIERRY GREGORY. Building an ``Escape Portal{''} with Tethers Fixed in Asteroids. JOURNAL OF THE ASTRONAUTICAL SCIENCES, v. 65, n. 3, p. 355-375, . (16/14665-2, 16/24561-0, 11/13101-4)
FERREIRA, ALESSANDRA F. S.; PRADO, ANTONIO F. B. A.; WINTER, OTHON C.; SANTOS, DENILSON P. S.. Analytical study of the swing-by maneuver in an elliptical system. ASTROPHYSICS AND SPACE SCIENCE, v. 363, n. 2, . (16/14665-2, 16/24561-0, 17/04643-4)
DE ALMEIDA, JR., A. K.; PRADO, A. F. B. A.; YOKOYAMA, T.; SANCHEZ, D. M.. Spacecraft motion around artificial equilibrium points. NONLINEAR DYNAMICS, v. 91, n. 3, p. 1473-1489, . (14/22295-5, 16/14665-2, 14/22293-2)
COUTO OLIVEIRA, GERALDO MAGELA; PRADO, ANTONIO F. BERTACHINI DE A.; SANCHEZ, DIOGO MERGUIZO; GOMES, VIVIAN MARTINS. Orbital transfers in an asteroid system considering the solar radiation pressure. ASTROPHYSICS AND SPACE SCIENCE, v. 362, n. 10, . (11/08171-3, 16/14665-2, 11/13101-4, 14/22295-5)
SUKHANOV, ALEXANDER; BERTACHINI DE ALMEIDA PRADO, ANTONIO FERNANDO. Use of the tethered swingby maneuver to reach the Haumea dwarf planet. ASTROPHYSICS AND SPACE SCIENCE, v. 364, n. 1, . (16/24561-0, 15/19880-6, 16/14665-2)
TORRES DOS SANTOS, LEONARDO BARBOSA; BERTACHINI DE ALMEIDA PRADO, ANTONIO F.; SANCHEZ, DIOGO MERGUIZO. Lifetime of a spacecraft around a synchronous system of asteroids using a dipole model. ASTROPHYSICS AND SPACE SCIENCE, v. 362, n. 11, . (11/08171-3, 14/22293-2, 14/22295-5, 16/18418-0, 16/14665-2)
MURCIA PINEROS, JHONATHAN ORLANDO; BERTACHINI DE ALMEIDA PRADO, ANTONIO FERNANDO. Powered aero-gravity-assist maneuvers considering lift and drag around the Earth. ASTROPHYSICS AND SPACE SCIENCE, v. 362, n. 7, . (11/08171-3, 16/14665-2)
MOURA, JR., O.; CELESTINO, C. C.; PRADO, A. F. B. A.. Determination of the optimal conditions for inclination maneuvers using a Swing-by. ASTROPHYSICS AND SPACE SCIENCE, v. 363, n. 5, . (16/24561-0, 16/14665-2)
FERREIRA, A. F. S.; MORAES, R. V.; PRADO, A. F. B. A.; WINTER, O. C.; SINGLA, P; WEISMAN, RM; MARCHAND, BG; JONES, BA. TRAJECTORY ANALYSIS OF A SPACECRAFT MAKING A THREE-DIMENSIONAL POWERED SWING-BY MANEUVER. ASTRODYNAMICS 2018, PTS I-IV, v. 167, p. 20-pg., . (16/23542-1, 16/14665-2, 16/24561-0)
FERREIRA, ALESSANDRA F. S.; PRADO, ANTONIO F. B. A.; WINTER, OTHON C.; SANTOS, DENILSON P. S.. Effects of the eccentricity of the primaries in powered Swing-By maneuvers. Advances in Space Research, v. 59, n. 8, p. 2071-2087, . (11/08171-3, 16/14665-2, 11/13101-4)
ALJBAAE, S.; CHANUT, T. G. G.; PRADO, A. F. B. A.; CARRUBA, V.; HUSSMANN, H.; SOUCHAY, J.; SANCHEZ, D. M.. Orbital stability near the (87) Sylvia system. Monthly Notices of the Royal Astronomical Society, v. 486, n. 2, p. 2557-2569, . (16/14665-2, 16/24561-0, 14/22295-5)
MURCIA-PINEROS, JHONATHAN O.; PRADO, ANTONIO F. B. A.. Application of Impulsive Aero-Gravity Assisted Maneuvers in Venus and Mars to Change the Orbital Inclination of a Spacecraft. JOURNAL OF THE ASTRONAUTICAL SCIENCES, v. 66, n. 3, p. 322-340, . (16/24561-0, 16/14665-2)
SANCHEZ, D. M.; SUKHANOV, A. A.; PRADO, A. F. B. A.. OPTIMAL TRAJECTORIES TO KUIPER BELT OBJECTS. REVISTA MEXICANA DE ASTRONOMIA Y ASTROFISICA, v. 55, n. 1, p. 39-54, . (16/24561-0, 14/22295-5, 15/19880-6, 16/14665-2)
CAVALCA, M. P. O.; PRADO, A. F. B. A.; FORMIGA, J. K. S.; GOMES, V. M.; SANCHEZ, D. M.. Studying MID-Range planar orbits around Phobos. REVISTA MEXICANA DE ASTRONOMIA Y ASTROFISICA, v. 54, n. 2, p. 429-442, . (14/22295-5, 16/14665-2, 16/15675-1)
DOS SANTOS, JOSUE CARDOSO; CARVALHO, JEAN P. S.; PRADO, ANTONIO F. B. A.; DE MORAES, RODOLPHO VILHENA. Lifetime maps for orbits around Callisto using a double-averaged model. ASTROPHYSICS AND SPACE SCIENCE, v. 362, n. 12, . (12/12539-9, 16/14665-2, 13/26652-4, 16/24561-0, 11/08171-3, 12/21023-6, 11/05671-5)
PRADO, ANTONIO F. B. A.; GOMES, VIVIAN MARTINS; GIL CHANUT, THIERRY GREGORY. Building an "Escape Portal" with Tethers Fixed in Asteroids. JOURNAL OF THE ASTRONAUTICAL SCIENCES, v. 65, n. 3, p. 21-pg., . (11/13101-4, 16/14665-2, 16/24561-0)
FERREIRA, ALESSANDRA F. S.; PRADO, ANTONIO F. B. A.; WINTER, OTHON C.. Planar powered Swing-By maneuvers to brake a spacecraft. COMPUTATIONAL & APPLIED MATHEMATICS, v. 37, p. 18-pg., . (11/08171-3, 16/14665-2)
SANTOS, L. B. T.; SOUSA-SILVA, P. A.; SANCHEZ, D. M.; PRADO, A. F. B. A.; SINGLA, P; WEISMAN, RM; MARCHAND, BG; JONES, BA. SEARCHING FOR ORBITS AROUND EQUILIBRIUM POINTS IN A BINARY ASTEROID SYSTEM MODELED AS A MASS DIPOLE. ASTRODYNAMICS 2018, PTS I-IV, v. 167, p. 18-pg., . (18/00059-9, 13/07174-4, 18/06966-8, 14/22295-5, 16/18418-0, 16/14665-2, 16/24561-0)
SANCHEZ, DIOGO M.; PRADO, ANTONIO F. B. A.; PARKER, JS; SEAGO, JH; STRANGE, NJ; SCHEERES, DJ. ON THE USE OF MEAN MOTION RESONANCES TO EXPLORE THE HAUMEA SYSTEM. ASTRODYNAMICS 2018, PTS I-IV, v. 162, p. 18-pg., . (12/21023-6, 14/22295-5, 11/13101-4, 16/14665-2, 16/24561-0)
COUTO OLIVEIRA, GERALDO MAGELA; DE ALMEIDA JUNIOR, ALLAN KARDEC; BERTACHINI DE ALMEIDA PRADO, ANTONIO FERNANDO; PARKER, JS; SEAGO, JH; STRANGE, NJ; SCHEERES, DJ. DETERMINING LOCATIONS AND TRANSFERS OF ARTIFICIAL EQUILIBRIUM POINTS IN A DOUBLE ASTEROID SYSTEM. ASTRODYNAMICS 2018, PTS I-IV, v. 162, p. 16-pg., . (14/22293-2, 16/14665-2, 11/08171-3, 14/22295-5)
BREJAO, LEANDRO F.; SANTOS, LEONARDO B. T.; SANCHEZ, DIOGO M.; PRADO, ANTONIO F. B. A.; SINGLA, P; WEISMAN, RM; MARCHAND, BG; JONES, BA. STUDYING THE MOTION OF A SPACECRAFT ORBITING AN ASTEROID MODELED AS AN ASYMMETRIC MASS DIPOLE. ASTRODYNAMICS 2018, PTS I-IV, v. 167, p. 20-pg., . (18/00059-9, 13/07174-4, 14/22295-5, 16/18418-0, 16/14665-2, 16/24561-0)
OLIVEIRA, THAIS C.; PRADO, ANTONIO F. B. A.; SINGLA, P; WEISMAN, RM; MARCHAND, BG; JONES, BA. SEARCH FOR STABLE ORBITS AROUND 1999 KW4. ASTRODYNAMICS 2018, PTS I-IV, v. 167, p. 20-pg., . (16/18418-0, 17/07539-3, 16/14665-2)
SANCHEZ, DIOGO M.; PRADO, ANTONIO F. B. A.; SINGLA, P; WEISMAN, RM; MARCHAND, BG; JONES, BA. PERTURBATION MAPS FOR A SPACECRAFT AROUND THE NEAR-EARTH ASTEROID (153591) 2001 SN263. ASTRODYNAMICS 2018, PTS I-IV, v. 167, p. 16-pg., . (14/22295-5, 16/14665-2, 16/24561-0)
CAVALCA, MARINA P. O.; PRADO, ANTONIO F. B. A.; GOMES, VIVIAN M.; SANCHEZ, DIOGO M.. "Quasi Satellite Orbits" to observe a possible small moon of Pallas. NEW ASTRONOMY, v. 75, p. 22-pg., . (16/14665-2, 14/22295-5, 16/24561-0)
A. K. DE ALMEIDA JR.; ANTONIO F. B. A. PRADO; DIOGO M. SANCHEZ; TADASHI YOKOYAMA. Searching for Artificial Equilibrium Points to Place Satellites “Above and Below” L3 in the Sun-Earth System. REVISTA MEXICANA DE ASTRONOMIA Y ASTROFISICA, v. 53, n. 2, . (14/22295-5, 14/22293-2, 11/08171-3, 16/14665-2)
CAVALCA, MARINA P. O.; PRADO, ANTONIO F. B. A.; GOMES, VIVIAN M.; SANCHEZ, DIOGO M.. ``Quasi Satellite Orbits{''} to observe a possible small moon of Pallas. NEW ASTRONOMY, v. 75, . (16/24561-0, 14/22295-5, 16/14665-2)
NEGRI, RODOLFO BATISTA; BERTACHINI DE ALMEIDA PRADO, ANTONIO FERNANDO; SUKHANOV, ALEXANDER. Studying the errors in the estimation of the variation of energy by the ``patched-conics{''} model in the three-dimensional swing-by. CELESTIAL MECHANICS & DYNAMICAL ASTRONOMY, v. 129, n. 3, p. 269-284, . (16/14665-2, 11/13101-4, 11/08171-3)
DE ALMEIDA, JR., A. K.; PRADO, ANTONIO F. B. A.; SANCHEZ, DIOGO M.; YOKOYAMA, TADASHI. SEARCHING FOR ARTIFICIAL EQUILIBRIUM POINTS TO PLACE SATELLITES ``ABOVE AND BELOW{''} L-3 IN THE SUN-EARTH SYSTEM. REVISTA MEXICANA DE ASTRONOMIA Y ASTROFISICA, v. 53, n. 2, p. 349-359, . (11/08171-3, 14/22295-5, 16/14665-2, 14/22293-2)
FERREIRA, ALESSANDRA F. S.; PRADO, ANTONIO F. B. A.; WINTER, OTHON C.. Planar powered Swing-By maneuvers to brake a spacecraft. COMPUTATIONAL & APPLIED MATHEMATICS, v. 37, n. 1, SI, p. 202-219, . (11/08171-3, 16/14665-2)
PINHEIRO MASAGO MESCOLOTTI, BRUNA YUKIKO; BERTACHINI DE ALMEIDA PRADO, ANTONIO FERNANDO; MARINS CHIARADIA, ANA PAULA; GOMES, VIVIAN MARTINS. Searching for some natural orbits to observe the double asteroid 2002CE(26). ASTROPHYSICS AND SPACE SCIENCE, v. 362, n. 7, . (11/08171-3, 16/14665-2, 11/13101-4)
SANTOS, WILLER G.; PRADO, ANTONIO F. B. A.; OLIVEIRA, GERALDO M. C.; SANTOS, LEONARDO B. T.. Analysis of impulsive maneuvers to keep orbits around the asteroid 2001SN263. ASTROPHYSICS AND SPACE SCIENCE, v. 363, n. 1, . (16/24561-0, 16/18418-0, 16/14665-2)
SILVA NETO, J. B.; SANCHEZ, D. M.; PRADO, A. F. B. A.; SMIRNOV, G. V.. ON THE USE OF CONTROLLED RADIATION PRESSURE TO SEND A SATELLITE TO A GRAVEYARD ORBIT. REVISTA MEXICANA DE ASTRONOMIA Y ASTROFISICA, v. 53, n. 2, p. 321-332, . (11/08171-3, 16/07248-6, 16/14665-2, 14/22295-5)
FERREIRA, ALESSANDRA F. S.; PRADO, ANTONIO F. B. A.; WINTER, OTHON C.; SANTOS, DENILSON P. S.. Analytical study of the powered Swing-By maneuver for elliptical systems and analysis of its efficiency. ASTROPHYSICS AND SPACE SCIENCE, v. 363, n. 7, . (16/14665-2, 16/23542-1, 16/24561-0, 17/04643-4)
TORRES DOS SANTOS, LEONARDO BARBOSA; BERTACHINI DE ALMEIDA PRADO, ANTONIO F.; SANCHEZ, DIOGO MERGUIZO. Equilibrium points in the restricted synchronous three-body problem using a mass dipole model. ASTROPHYSICS AND SPACE SCIENCE, v. 362, n. 3, . (14/22293-2, 16/14665-2, 11/08171-3)
FERREIRA, ALESSANDRA F. S.; MORAES, V, RODOLPHO; PRADO, ANTONIO F. B. A.; WINTER, OTHON C.. Errors of Powered Swing-By in the Restricted Three-Body Problem. JOURNAL OF GUIDANCE CONTROL AND DYNAMICS, v. 42, n. 10, p. 2246-2257, . (16/23542-1, 16/24561-0, 16/14665-2)
MURCIA, J. O.; PRADO, A. F. B. A.; GOMES, V. M.. RETROGRADE AND DIRECT POWERED AERO-GRAVITY-ASSIST TRAJECTORIES AROUND MARS. REVISTA MEXICANA DE ASTRONOMIA Y ASTROFISICA, v. 54, n. 1, p. 143-161, . (16/14665-2, 16/24561-0)
NEGRI, RODOLFO BATISTA; SUKHANOV, ALEXANDER; BERTACHINI DE ALMEIDA PRADO, ANTONIO FERNANDO. Lunar gravity assists using patched-conics approximation, three and four body problems. Advances in Space Research, v. 64, n. 1, p. 42-63, . (15/19880-6, 16/14665-2, 16/24561-0, 16/18613-7, 17/20794-2)
MURCIA, J. O.; PRADO, A. F. B. A.; GOMES, V. M.. Studying direct and indirect effects of impulses in powered aero-gravity-assist maneuvers around Venus. REVISTA MEXICANA DE ASTRONOMIA Y ASTROFISICA, v. 54, n. 2, p. 485-500, . (16/14665-2, 16/24561-0)
DE ALMEIDA, JR., A. K.; PRADO, A. F. B. A.; YOKOYAMA, T.. Determination of thrusts to generate artificial equilibrium points in binary systems with applications to a planar solar sail. NONLINEAR DYNAMICS, v. 95, n. 2, p. 919-942, . (16/24561-0, 16/14665-2)
SANCHEZ, DIOGO M.; HOWELL, KATHLEEN C.; PRADO, ANTONIO F. B. A.; MCMAHON, JW; GUO, Y; LEVE, FA; SIMS, JA. SEARCH FOR STABLE REGIONS IN THE IRREGULAR HAUMEA-NAMAKA BINARY SYSTEM. ASTRODYNAMICS 2018, PTS I-IV, v. 160, p. 13-pg., . (12/21023-6, 11/08171-3, 14/22295-5, 11/13101-4, 16/14665-2)
CAVALCA, M. P. O.; PRADO, A. F. B. A.; FORMIGA, J. K. S.; GOMES, V. M.; IOP. Searching for orbits around the triple asteroid 2001SN(263). WAKE CONFERENCE 2021, v. 911, p. 7-pg., . (16/15675-1, 11/08171-3, 16/14665-2)
MESCOLOTTI, B. Y. P. M.; PRADO, A. F. B. A.; CHIARADIA, A. P. M.; GOMES, V. M.; IOP. Searching for orbits around the triple system 45 Eugenia. WAKE CONFERENCE 2021, v. 911, p. 6-pg., . (11/13101-4, 11/08171-3, 16/14665-2)
FERREIRA, A. F. S.; PRADO, A. F. B. A.; WINTER, O. C.; SANTOS, D. P. S.; IOP. Studying the energy variation in the powered Swing-By in the Sun-Mercury system. WAKE CONFERENCE 2021, v. 911, p. 7-pg., . (11/08171-3, 16/14665-2)
SANTOS, L. B. T.; PRADO, A. F. B. A.; SANCHEZ, D. M.; IOP. Equilibrium points in the asteroid 2001SN(263). WAKE CONFERENCE 2021, v. 911, p. 6-pg., . (16/18418-0, 14/22293-2, 11/08171-3, 16/14665-2)
SILVA NETO, J. B.; PRADO, A. F. B. A.; SANCHEZ, D. M.; FORMIGA, J. K. S.; IOP. On the use of a variable coefficient of reflectivity associated with an augmented area-to-mass ratio to de-orbit CubeSats. WAKE CONFERENCE 2021, v. 911, p. 6-pg., . (16/15675-1, 16/07248-6, 11/08171-3, 14/22295-5, 16/14665-2)
MARCHI, L. O.; MURCIA, J. O.; PRADO, A. F. B. A.; SOLORZANO, C. R. H.; IOP. Injection of a microsatellite in circular orbits using a three-stage launch vehicle. WAKE CONFERENCE 2021, v. 911, p. 6-pg., . (11/08171-3, 16/14665-2)
DA COSTA, MARIA LIVIA G. T. X.; DE MORAES, RODOLPHO VILHENA; CARVALHO, JEAN PAULO S.; PRADO, ANTONIO FERNANDO B. A.; IOP. Artificial satellites orbiting planetary satellites: critical inclination and sun-synchronous orbits. WAKE CONFERENCE 2021, v. 911, p. 6-pg., . (11/08171-3, 16/14665-2)
DE ALMEIDA, A. K., JR.; PRADO, ANTONIO F. B. A.; SANCHEZ, DIOGO M.; YOKOYAMA, TADASHI. SEARCHING FOR ARTIFICIAL EQUILIBRIUM POINTS TO PLACE SATELLITES "ABOVE AND BELOW" L-3 IN THE SUN-EARTH SYSTEM. REVISTA MEXICANA DE ASTRONOMIA Y ASTROFISICA, v. 53, n. 2, p. 11-pg., . (14/22293-2, 16/14665-2, 11/08171-3, 14/22295-5)
NEGRI, RODOLFO BATISTA; BERTACHINI DE ALMEIDA PRADO, ANTONIO FERNANDO; SUKHANOV, ALEXANDER. Studying the errors in the estimation of the variation of energy by the "patched-conics" model in the three-dimensional swing-by. CELESTIAL MECHANICS & DYNAMICAL ASTRONOMY, v. 129, n. 3, p. 16-pg., . (11/13101-4, 11/08171-3, 16/14665-2)
DE MELO, CRISTIANO F.; PRADO, ANTONIO F. B. A.; MEIRELES, LUCAS G.; PEREIRA, MARIA C.; LUO, YZ; CHERN, JS; CHEN, XQ; CHEN, L. SEARCHING FOR TRAJECTORIES TO ASTEROIDS USING SOLAR SAILS. ASTRODYNAMICS 2018, PTS I-IV, v. 165, p. 18-pg., . (16/15675-1, 16/14665-2)
FERREIRA, A. F. S.; PRADO, A. F. B. A.; GUERMAN, A. D.; SANTOS, D. P. S.; BUROV, A.; WINTER, O. C.; PARKER, JS; SEAGO, JH; STRANGE, NJ; SCHEERES, DJ. DYNAMICS OF A SPACE TETHER IN BINARY ASTEROIDS. ASTRODYNAMICS 2018, PTS I-IV, v. 162, p. 20-pg., . (17/04643-4, 11/08171-3, 16/14665-2)
FERREIRA, A. F. S.; PRADO, A. F. B. A.; GUERMAN, A. D.; SANTOS, D. P. S.; BUROV, A.; WINTER, O. C.; PARKER, JS; SEAGO, JH; STRANGE, NJ; SCHEERES, DJ. USING TETHERS TO BUILD A "CAPTURE PORTAL" FOR THE PLANETS. ASTRODYNAMICS 2018, PTS I-IV, v. 162, p. 20-pg., . (17/04643-4, 11/08171-3, 16/14665-2)
MARCHI, LUIS O.; SANCHEZ, D. M.; VENDITTI, F. C. F.; PRADO, A. F. B. A.; SINGLA, P; WEISMAN, RM; MARCHAND, BG; JONES, BA. DYNAMICAL EFFECTS OF SOLAR RADIATION PRESSURE ON THE DEFLECTION OF NEAR-EARTH ASTEROIDS. ASTRODYNAMICS 2018, PTS I-IV, v. 167, p. 20-pg., . (14/22295-5, 16/14665-2, 16/24561-0)
MURCIA, JHONATHAN O. P.; PRADO, ANTONIO F. B. A.; SINGLA, P; WEISMAN, RM; MARCHAND, BG; JONES, BA. POWERED AERO-GRAVITY ASSISTED MANEUVERS IN VENUS AND MARS CHANGING THE BANK ANGLE OF THE SPACECRAFT. ASTRODYNAMICS 2018, PTS I-IV, v. 167, p. 17-pg., . (16/14665-2, 16/24561-0)
SILVA NETO, J. B.; SANCHEZ, D. M.; PRADO, A. F. B. A.; PARKER, JS; SEAGO, JH; STRANGE, NJ; SCHEERES, DJ. ON THE USE OF SOLAR RADIATION PRESSURE TO EJECT A SPACECRAFT ORBITING THE ASTEROID 65803 DIDYMOS (1996 GT). ASTRODYNAMICS 2018, PTS I-IV, v. 162, p. 14-pg., . (14/22295-5, 11/08171-3, 16/14665-2, 16/07248-6)
OLIVEIRA, THAIS C.; SINGLA, P; WEISMAN, RM; MARCHAND, BG; JONES, BA. END OF THE ROAD: THE TESLA ROADSTER AS A KINETIC IMPACTOR FOR BINARY ASTEROID DEFLECTION. ASTRODYNAMICS 2018, PTS I-IV, v. 167, p. 20-pg., . (16/18418-0, 17/07539-3, 16/14665-2)
MURCIA, JHONATHAN O. P.; PRADO, ANTONIO F. B. A.; PARKER, JS; SEAGO, JH; STRANGE, NJ; SCHEERES, DJ. IMPULSIVE AERO-GRAVITY ASSISTED MANEUVERS IN VENUS AND MARS TO CHANGE THE INCLINATION OF A SPACECRAFT. ASTRODYNAMICS 2018, PTS I-IV, v. 162, p. 16-pg., . (11/08171-3, 16/14665-2)
BARBOSA, GERSON; SUKHANOV, ALEXANDER; PRADO, ANTONIO F. B. A.; WINTER, OTHON C.; MARTINS, JUAN; MACAU, ELBERT; RAZOUMNY, YN; GRAZIANI, F; GUERMAN, AD; CONTANT, JM. ESTIMATION OF THE RADIATION HAZARD TO A SPACECRAFT PASSING THE VAN ALLEN BELTS IN A LOW THRUST TRANSFER. ASTRODYNAMICS 2018, PTS I-IV, v. 161, p. 9-pg., . (16/14665-2, 11/08171-3, 15/19880-6)
COUTO OLIVEIRA, GERALDO MAGELA; PRADO, ANTONIO F. BERTACHINI DE A.; SANCHEZ, DIOGO M.; NASCIMENTO, JORGE M.; GOMES, VIVIAN M.; RAZOUMNY, YN; GRAZIANI, F; GUERMAN, AD; CONTANT, JM. MAPPING TRAJECTORIES FOR A SPACECRAFT TO HIT AN ASTEROID TO AVOID A COLLISION WITH THE EARTH. ASTRODYNAMICS 2018, PTS I-IV, v. 161, p. 17-pg., . (12/21023-6, 11/08171-3, 14/22295-5, 11/13101-4, 16/14665-2)

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