Allan Kardec de Almeida Junior (6C1D-8B07-6C3A)

Curriculum Vitae

Allan Kardec de Almeida Junior

Allan Kardec de Almeida Junior. Received his PdH degree in Aerospace Engineering in 2018 from the National Institute for Space Research (INPE), master degree in Applied Physics in 2014 from São Paulo State University, and his bachelor degree in Physics 2012 from São Paulo State University. He is currently an investigator affiliated to CICGE, Faculdade de Ciências da Universidade do Porto, 4169-007 Porto, Portugal. Allan published more than 20 paper in specialized journals. He works in the area of Aerospace Engineering. He is currently investigating astrodynamics applications of the Theory of Functional Connections. The most frenquent terms of his scientific and technological productions are Astrodynamics; Equilibrium points; Nonlinear systems; Restricted three-body problem; Artificial equilibrium point; Solar sail.

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Identification

Personal identification

Full name: Allan Kardec de Almeida Junior

Citation names

de Almeida Jr, Allan K.

Author identifiers

Ciência ID: 6C1D-8B07-6C3A
ORCID iD: 0000-0002-9488-4462

Email addresses

fenixcinza@yahoo.com.br (Professional)
allan.junior@inpe.br (Professional)

Websites

https://scholar.google.com/citations?user=tgGQzGAAAAAJ&hl=en (Scholar)

Knowledge fields

Engineering and Technology - Mechanical Engineering - Aerospace Engineering

Languages

Language	Speaking	Reading	Writing	Listening	Peer-review
Portuguese (Mother tongue)
English	Proficiency (C2)	Proficiency (C2)	Proficiency (C2)	Proficiency (C2)	Proficiency (C2)

Education

	Degree	Classification
2015 - 2018 Concluded	Aerospace Engineering (Doctor) Instituto Nacional de Pesquisas Espaciais, Brazil "INFLUENCE OF PERTURBATIVE FORCES IN THE MOTION OF SPACECRAFT: AROUND ARTIFICIAL EQUILIBRIUM POINTS AND IN MEASUREMENTS OF INDICES" (THESIS/DISSERTATION)
2012 - 2014 Concluded	Applied Physics (Master) Universidade Estadual Paulista Júlio de Mesquita Filho, Brazil "CONTROLE DE DISSOCIAÇÃO MOLECULAR COM FERRAMENTAS DE DINÂMICA NÃO LINEAR" (THESIS/DISSERTATION)
2009 - 2012 Concluded	Physics (Bachelor) Universidade Estadual Paulista Júlio de Mesquita Filho, Brazil

Affiliation

Science

	Category Host institution	Employer
2023/03/01 - Current	Researcher (Research)	Universidade do Porto Centro de Investigação em Ciências Geo-Espaciais, Portugal
	Universidade do Porto Faculdade de Ciências, Portugal
2023/11/02 - 2024/02/02	Contracted Researcher (Research)	Universidade da Beira Interior Centro da Ciências e Tecnologias Mecânicas e Aeroespaciais, Portugal

2022/09 - 2023/06/30	Contracted Researcher (Research)	Instituto de Telecomunicações, Portugal
	Instituto de Telecomunicações, Portugal
2021/01/01 - 2022/09	Postdoc (Research)	Instituto Nacional de Pesquisas Espaciais, Brazil
	Instituto Nacional de Pesquisas Espaciais, Brazil
2020/01/01 - 2020/12/31	Visiting Researcher (Research)	Texas A&M University, United States
	Texas A&M University Department of Aerospace Engineering, United States
2018/09/14 - 2019/12/31	Postdoc (Research)	Instituto Nacional de Pesquisas Espaciais, Brazil
	Instituto Nacional de Pesquisas Espaciais, Brazil

Projects

Grant

	Designation	Funders
2024/09/15 - 2025/09/15	Leveraging Light Curves to Model Anthropogenic Space Object Attitude and Physical Properties with Quanta Photograms 2022.15682.UTA Principal investigator The University of Texas at Austin Department of Aerospace Engineering and Engineering Mechanics, United States Universidade do Porto Centro de Investigação em Ciências Geo-Espaciais, Portugal	The University of Texas at Austin Department of Aerospace Engineering and Engineering Mechanics Ongoing
2018/10/01 - 2022/09/30	Spacecraft Motion Around Artificial Equilibrium Points FAPESP 2018/07377-6 Post-doc Instituto Nacional de Pesquisas Espaciais, Brazil	Fundação de Amparo à Pesquisa do Estado de São Paulo Concluded
2018/10/01 - 2022/09/30	On the relevance of small bodies in orbital dynamics FAPESP 2016/24561-0 Researcher Universidade Estadual Paulista Júlio de Mesquita Filho - Câmpus de Guaratinguetá, Brazil	Fundação de Amparo à Pesquisa do Estado de São Paulo Concluded
2020/01/01 - 2020/12/31	Applications of the Theory of Functional Connections to astrodynamics FAPESP 2019/18480-5 Research Fellow Texas A&M University College of Engineering, United States Instituto Nacional de Pesquisas Espaciais, Brazil	Fundação de Amparo à Pesquisa do Estado de São Paulo Concluded

Contract

	Designation	Funders
2022/09/22 - 2023/06/30	ENAbling Green E-science for SKA - Capacitation and Sustainability of Portuguese participation in the SKA with radioastronomy as an Innovation Open Living Lab POCI-01-0145-FEDER-022217 Researcher Instituto de Telecomunicações, Portugal	European Regional Development Fund Fundação para a Ciência e a Tecnologia Concluded
2022/09/19 - 2023/06/30	SmartGlow: Smart Green Energy for Low Frequency Aperture Arrays POCI-01-0247-FEDER-069733 Researcher Instituto de Telecomunicações, Portugal	European Regional Development Fund Autoridade de Gestão do Programa Operacional Competitividade e Internacionalização Concluded

Outputs

Publications

Conference paper

Domingos Barbosa; Bruno Coelho; Miguel Bergano; Constança Alves; Alexandre C. M. Correia; Luís Cupido; José Freitas; et al. "PASO -- Astronomy and Space Situational Awareness in a Dark Sky Destination". 2024.
10.48550/ARXIV.2404.04090
de Almeida Junior, A.K.; Johnston, H.; Leake, C.; Mortari, D.. "Evaluation Of Transfer Costs In The Earth-Moon System Using The Theory Of Functional Connections". Paper presented in AAS/AIAA Astrodynamics Specialist Conference, 2020, Lake Tahoe, CA. Advances in the Astronautical Sciences, 2021.
Published
de Almeida Jr, Allan K.; Prado, Antonio Fernando Bertachini de Almeida. "A comparison of the restricted three-body problem and the bi-circular bi-planar four body problem". Paper presented in 2021 AAS/AIAA Astrodynamics Specialist Conference Big Sky Virtua, 2021, Big Sky. AAS Advances in the Astronautical Sciences, 2021.
Published
Martins Nascimento, J.; de Almeida Jr, Allan K.; Prado, A.F.B.A.. "Multi-tethered maneuvers to change the inclination of the orbit of a spacecraft". 2018.
Couto Oliveira, G.M.; de Almeida Jr, Allan K.; De Almeida Prado, A.F.B.. "Determining locations and transfers of artificial equilibrium points in a double asteroid system". 2018.
Nascimento, J.M.; De Almeida, A.K.; Prado, A.F.B.A.. "Applications of a tether fixed in the moon to maneuver spacecrafts". 2017.

Journal article

A.K. Almeida Jr.; T. Vaillant; L.B.T. Santos; D. Maia. "Low-thrust transfer with Theory of Functional Connections: application to 243 Ida with a solar sail". Advances in Space Research (2024): http://dx.doi.org/10.1016/j.asr.2024.09.069.
10.1016/j.asr.2024.09.069
de Almeida Jr, Allan K.; T. Vaillant; V. M. de Oliveira; D. Barbosa; D. Maia; S. Aljbaae; B. Coelho; et al. Corresponding author: de Almeida Jr, Allan K.. "Tangential velocity constraint for orbital maneuvers with Theory of Functional Connections". Scientific Reports (2024): http://dx.doi.org/10.1038/s41598-024-57986-z.
10.1038/s41598-024-57986-z
de Almeida, Allan K.; Aljbaae, Safwan; Vaillant, Timothée; Piñeros, Jhonathan M.; Coelho, Bruno; Barbosa, Domingos; Bergano, Miguel; et al. "Theory of Functional Connections and Nelder–Mead optimization methods applied in satellite characterization". Acta Astronautica 215 (2024): 548-559. http://dx.doi.org/10.1016/j.actaastro.2023.12.033.
10.1016/j.actaastro.2023.12.033
Allan K. de Almeida; Antonio F. B. A. Prado; Daniele Mortari. "Orbit transfer using Theory of Functional Connections via change of variables". The European Physical Journal Special Topics (2023): http://dx.doi.org/10.1140/epjs/s11734-023-01013-1.
10.1140/epjs/s11734-023-01013-1
Allan Kardec de Almeida, Junior; Antonio F.B.A. Prado; Daniele Mortari. "Using the theory of functional connections to create periodic orbits with a linear variable thrust". New Astronomy (2023): https://doi.org/10.1016/j.newast.2023.102068.
10.1016/j.newast.2023.102068
Leonardo Barbosa Torres dos Santos; P.A. Sousa-Silva; M.O. Terra; S. Aljbaae; D.M. Sanchez; A.F.B.A. Prado; G.M. Oliveira; et al. "Analysis of the dynamics of a spacecraft in the vicinity of an asteroid binary system with equal masses". Planetary and Space Science (2023): 105701-105701. http://dx.doi.org/10.1016/j.pss.2023.105701.
10.1016/j.pss.2023.105701
Santos, L. B. T.; de Almeida Jr, A. K.; Sousa-Silva, P. A.; Terra, M. O.; Sanchez, D. M.; Aljbaae, S.; Prado, A. F. B. A.; Monteiro, F.. "NUMERICAL INVESTIGATIONS OF THE ORBITAL DYNAMICS AROUND A SYNCHRONOUS BINARY SYSTEM OF ASTEROIDS". Revista Mexicana de Astronomía y Astrofísica 59 1 (2023): 83-97. http://dx.doi.org/10.22201/ia.01851101p.2023.59.01.05.
Open access • Accepted • 10.22201/ia.01851101p.2023.59.01.05
Santos, L.B.T.; Sousa-Silva, P.A.; Terra, M.O.; Mani, Karthik V.; de Almeida Jr, Allan K.; Sanchez, D.M.; Prado, A.F.B.A.. "Optimal transfers from Moon to L2 halo orbit of the Earth-Moon system". Advances in Space Research 70 11 (2022): 3362-3372. http://dx.doi.org/10.1016/j.asr.2022.08.035.
10.1016/j.asr.2022.08.035
de Almeida Jr, Allan K.; Vivian M. Gomes; Antonio Prado. "Lifetimes of an Exomoon Orbiting a Jupiter-like Planet in a Double Star System with the Mass of the Sun". Symmetry (2022): https://doi.org/10.3390/sym14102001.
10.3390/sym14102001
de Almeida Jr, Allan K.; Mescolotti, Bruna Yukiko Pinheiro Masago; Chiaradia, Ana Paula Marins; Gomes, Vivian M.; de Almeida Prado, Antonio Fernando Bertachini. "Searching for Orbits for a Mission to the Asteroid 2001SN263 Considering Errors in the Physical Parameters". Symmetry 14 9 (2022): 1789. http://dx.doi.org/10.3390/sym14091789.
10.3390/sym14091789
de Almeida Jr, Allan K.; de Almeida Prado, Antonio Fernando Bertachini. Corresponding author: de Almeida Jr, Allan K.. "Comparisons between the circular restricted three-body and bi-circular four body problems for transfers between the two smaller primaries". Scientific Reports 12 1 (2022): http://dx.doi.org/10.1038/s41598-022-08046-x.
10.1038/s41598-022-08046-x
de Almeida Jr, Allan K.; Johnston, Hunter; Leake, Carl; Mortari, Daniele; de Almeida Junior, A.K.; Johnston, H.; Leake, C.; Mortari, D.. Corresponding author: de Almeida Jr, Allan K.. "Fast 2-impulse non-Keplerian orbit transfer using the Theory of Functional Connections". The European Physical Journal Plus 136 2 (2021): http://dx.doi.org/10.1140/epjp/s13360-021-01151-2.
10.1140/epjp/s13360-021-01151-2
Junior, Allan; OLIVEIRA, Geraldo Magela Couto; PRADO, Antonio Fernando Bertachini de Almeida. Corresponding author: Junior, Allan. "Artificial equilibrium points and bi-impulsive maneuvers to observe 243 Ida". Chinese Journal of Aeronautics 34 1 (2021): 410-423. http://dx.doi.org/10.1016/j.cja.2020.07.018.
10.1016/j.cja.2020.07.018
Venditti, Flaviane C.F.; de Almeida Jr, Allan K.; Prado, Antonio F.B.A.. Corresponding author: de Almeida Jr, Allan K.. "Using an integral index to search for orbits around oblate spheroids". Planetary and Space Science 192 (2020): 105063. http://dx.doi.org/10.1016/j.pss.2020.105063.
10.1016/j.pss.2020.105063
de Almeida Jr, Allan K.; Prado, Antonio Fernando Bertachini de Almeida; Yokoyama, Tadashi; Sanchez, Diogo Merguizo. Corresponding author: de Almeida Jr, Allan K.. "Searching for orbits to observe the poles of celestial bodies". Advances in Space Research 66 10 (2020): 2378-2401. http://dx.doi.org/10.1016/j.asr.2020.07.043.
10.1016/j.asr.2020.07.043
de Almeida Jr, Allan K.; Piñeros, Jhonathan Orlando Murcia; Prado, Antonio Fernando Bertachini de Alme. Corresponding author: de Almeida Jr, Allan K.. "On the use of a continuous thrust to find bounded planar trajectories at given altitudes in Low Earth Orbits". Scientific Reports 10 1 (2020): http://dx.doi.org/10.1038/s41598-020-65594-w.
10.1038/s41598-020-65594-w
de Almeida Jr, Allan K.; Bertachini de Almeida Prado, A.F.; Vilhena de Moraes, R.; Lara, M.. Corresponding author: de Almeida Jr, Allan K.. "Analyzing “integral indices” to quantify the effects of a perturbing force over satellites". Acta Astronautica 164 (2019): 168-173. http://dx.doi.org/10.1016/j.actaastro.2019.07.037.
10.1016/j.actaastro.2019.07.037
de Almeida Jr, Allan K.; Prado, A. F. B. A.; Yokoyama, T.. Corresponding author: de Almeida Jr, Allan K.. "Determination of thrusts to generate artificial equilibrium points in binary systems with applications to a planar solar sail". Nonlinear Dynamics 95 2 (2018): 919-942. http://dx.doi.org/10.1007/s11071-018-4605-3.
10.1007/s11071-018-4605-3
Junior, Allan; Prado, A. F. B. A.; Yokoyama, T.; Sanchez, D. M.. "Spacecraft motion around artificial equilibrium points". Nonlinear Dynamics 91 3 (2017): 1473-1489. http://dx.doi.org/10.1007/s11071-017-3959-2.
10.1007/s11071-017-3959-2
Junior, Allan; de Almeida Prado, A. F. B.; de Moraes, R. Vilhena; Lara, M.. "Analyzing “integral indices” to quantify the effects of a perturbing force in the harmonic and Duffing oscillators". Computational and Applied Mathematics 37 S1 (2017): 7-15. http://dx.doi.org/10.1007/s40314-017-0471-8.
10.1007/s40314-017-0471-8
Junior, Allan; Prado, A.F.B.A.; Sanchez, D.M.; Yokoyama, T.. Corresponding author: Junior, Allan. "Searching for artificial equilibrium points to place satellites "above and below" L₃ in the Sun-Earth system". Revista Mexicana de Astronomia y Astrofisica 53 2 (2017): 349-359. http://www.astroscu.unam.mx/rmaa/RMxAA..53-2/PDF/RMxAA..53-2_aalmeida.pdf.
Junior, Allan; Egydio de Carvalho, R.; de Lima, E.F.. "Controlling dissociation by trapping trajectories in highly energetic states". Physica A: Statistical Mechanics and its Applications 449 (2016): 101-110. http://dx.doi.org/10.1016/j.physa.2015.12.109.
10.1016/j.physa.2015.12.109

Activities

Oral presentation

	Presentation title	Event name Host (Event location)
2024/06/22	Tangential velocity constraint for orbital maneuvers with Theory of Functional Connections	DYNAMICS AND PHYSICS IN THE SOLAR SYSTEM University of Pisa (Pisa, Italy)
2023/03/01	Satellite Characterization Using TFC and Machine Learning	9th Annual Space Traffic Management Conference held at The University of Texas at Austin, TX, US University of Texas at Austin (Austin, United States)
2022/06/20	Orbit Transfer using Theory of Functional Connections via change of variables	5th International Workshop On Key Topics In Orbit Propagation Applied To Space Situational Awareness, Kepassa 2022 at University of La Rioja, in Logroño, Spain University of La Rioja (Logrono, Spain)
2021	A comparison of the restricted three-body problem and the bi-circular bi-planar four body problem	2021 AAS/AIAA Astrodynamics Specialist Conference in Big Sky, US American Astronautica Society (Big Sky, United States)
2020/08/09	Evaluation of Transfer Costs in the Earth-Moon System using the Theory of Functional Connections	2020 AAS/AIAA Astrodynamics Specialist Conference in Lake Tahoe, CA, US AAS/AIAA - American Astronautical Society (Lake Tahoe, United States)
2019/02/19	First International Nonlinear Dynamics Conference NODYCON 2019 held at Sapienza Università di Roma in Roma, Italy	First International Nonlinear Dynamics Conference NODYCON 2019 held at Sapienza Università di Roma in Roma, Italy Sapienza Università di Roma (Roma, Italy)

Journal scientific committee

	Journal title (ISSN)	Publisher
2023/01/01 - Current	Acta Astronautica (0094-5765)	Elsevier
2023/01/01 - Current	The European Physical Journal Special Topics (1951-6355)	Springer
2020 - Current	Scientific Reports (2045-2322)	Nature
2020 - Current	Advances In Space Research (0273-1777)	Elsevier
2020 - Current	Journal of Guidance Control And Dynamics (1533-3884)	AIAA
2017 - Current	Nonlinear Dynamics (0924-090X)	Springer

Mentoring / Tutoring

	Topic	Student name
2022/01/01 - 2026/01/01	Solution of the circular and elliptical two-body problems through Theory of Functional Connections (TFC) using linear and nonlinear least squares method	Guillherme Siqueira
2024 - 2026	Designing a three-impulsive maneuver for interplanetary missions	Maria Campino
2023 - 2025	Space-Based Wildfire Alert System: CubeSat Constellation Design for Rapid Detection and Action	Plinio Salgado Borges

Distinctions

Award

2019	Best PhD doctoral thesis defended in 2018 at INPE - National Institute for Space Research Instituto Nacional de Pesquisas Espaciais, Brazil