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    Personal information
    Contact information
    Candidate Profile
     Date Submitted:20-08-2012
     Last Modified:09-08-2017 (11:21)
    Job information
     Current job:Space debris research engineer
     Employment Term:Temp/Contract
     Job location:Anywhere
     Date available:immediately
     Industry:Civil Agencies/International Organizations, Satellite Manufacturers and Subcontractors, Satellite Operators, , , Launch Systems, Consulting/Engineering Services
     KeywordsSpace Flight Dynamics, Fortran77, Space Debris, Scilab, C++, Matlab, Asteroids, CELESTLAB, Interplanetary missions


    Ph.D in Aerospace Engineering, Karunya University, Tamil Nadu, India.

    2014 – 2017 (Expected to graduate in November 2017)

    Mastère spécialisé in Space Systems Engineering, l’Institut Supérieur de l'Aéronautique et de l'Espace (ISAE), Toulouse, France.

    Graduated in September 2012

    Short Course on Probe Science Instrumentation,

    9th International Planetary Probe Workshop, ISAE, Toulouse, France, 16-17 June 2012.

    Master of Science (M.S) in Aerospace Engineering, University of Southern California (USC), Los Angeles, CA, USA.

    Graduated in December 2010

    Satellite Tool Kit Fundamentals Training, Analytical Graphics Inc, Long Beach, CA, USA, 3 November 2009.

    Bachelor of Engineering (B.E) in Computer Science and Engineering, PSG College of Technology, Anna University, Tamil Nadu, India.

    Graduated in May 2008


    Senior Research Fellow (August 2016 – current)

    Karunya University, India

    Working on optimal re-entry time estimation of space debris using regularized orbit propagation theory. Funded by Science and Engineering Research Board (SERB), Department of Science and Technology (DST), Government of India. Project ending in August 2017.

    Visiting Research Student (June 2015 – July 2015)

    Asher Space Research Institute, Technion-Israel Institute of Technology, Israel

    Worked on developing efficient onboard orbit propagator algorithm for small satellite systems. Funded by Technion through European Research Council FADER Project.

    Junior Research Fellow (August 2014 – July 2016)

    Karunya University, India

    Worked on development of regularized orbit propagation theories for Earth orbiters. Funded by SERB – DST, Govt. of India.

    Stagiaire (Engineering Intern) (April 2012 – September 2012)

    Le Centre National d’Etudes Spatiales (CNES), France

    Developed an interplanetary trajectory analysis tool in Scilab for CELESTLAB and analyzed a mission to asteroid Apophis.

    Grader (January 2010 – May 2010)

    University of Southern California, USA

    Assisted the professor in designing the undergraduate course (Astronautics and Space Environment – I), held office hours and discussion sessions and graded assignments and tests.

    Student Worker (October 2008 – May 2010)

    Pertusati USC Bookstore, USA


    Software:  Scilab, Maxima, Mathematica, Matlab, AGI, Adobe Photoshop, MS Office;

    Programming:  Fortran77; Environments:  Windows, Ubuntu Linux, Mac OSx;


    Native of Tamil, Fluent in English, Beginner in French


    Best Poster Award – Colloquium on Research Practices (2017, Karunya University, India)

    SERB Senior Research Fellowship (2016 – current, Karunya University, India)

    COSPAR travel grant (2016) – Assembly cancelled due to force majeure in Turkey

    SERB Junior Research Fellowship (2014 – 2016, Karunya University, India)


    Associate member – Committee on Space Research (COSPAR)

    Student member – American Institute of Aeronautics and Astronautics (AIAA)

    Student member – American Astronautical Society (AAS)


    Peer-reviewed journals

    Sellamuthu H., and Sharma R.K., Hybrid orbit propagator for small spacecraft using Kustaanheimo-Stiefel elements, Journal of Spacecraft and Rockets. (under preparation)

    Isravel H., Sharma R.K., and Sellamuthu H., Effect of oblateness on the locations and linear stability of collinear points in elliptical restricted three-body problem, Astrophysics and Space Science. (under review)

    Sellamuthu H., and Sharma R.K., Solar perturbation effects on highly elliptical orbits using Kustaanheimo-Stiefel space, The Journal of the Astronautical Sciences. (under review)

    Smibi M.J., Sellamuthu H., and Sharma R.K., An analytical theory with respect to the Earth’s zonal harmonic term J2 in terms of eccentric anomaly for short-term orbit predictions, Advances in Astrophysics Vol. 2, pp. 141 – 150, 2017. DOI: 10.22606/adap.2017.22008

    Saji S.S., Sellamuthu H., and Sharma R.K., On J2 short-term orbit predictions in terms of KS elements, International Journal of Advanced Astronomy, Vol. 5, pp. 7 – 11, 2017. DOI: 10.14419/ijaa.v5i1.7083

    Sellamuthu H., and Sharma R.K., Orbit theory with lunar perturbation in terms of Kustaanheimo-Stiefel regular elements, Journal of Guidance, Control, and Dynamics (available online since November 2016). DOI: 10.2514/1.G002342

    Conference proceedings, abstracts, and posters

    Sellamuthu H., and Sharma R.K., “Optimal debris re-entry prediction using Kustaanheimo-Stiefel space,” Accepted for presentation at the 1st IAA Conference on Space Situational Awareness, November 13 – 15, 2017, Orlando, FL, USA.

    Sellamuthu H., and Sharma R.K., “On-board orbit propagator using Kustaanheimo-Stiefel elements for Mars micro orbiters,” Poster presented at the 3rd International Workshop on Instrumentation for Planetary Missions, October 24 – 27, 2016, Pasadena, CA, USA, Paper #4004.

    Sellamuthu H., and Sharma R.K., “Orbital theory in terms of KS elements with luni-solar perturbations,” Accepted for presentation at the 41st COSPAR Scientific Assembly, July 30 – August 7, 2016, Istanbul, Turkey. (Assembly cancelled due to force majeure in Turkey).

    Sellamuthu H., and Sharma R.K., “Development of software for satellite orbit prediction with luni-solar gravity perturbation in terms of KS elements,” Presented at the International Conference on Celestial Mechanics and Dynamical Astronomy, December 14 – 18, 2015, Hyderabad, India.

    Sellamuthu H., Jeevi A.A., and Sharma R.K., “Orbit predictions of high eccentricity satellite orbits with luni-solar effects using KS elements,” Proceedings of the 66th International Astronautical Congress, IAC, 7, pp. 5582 – 5589, October 12 – 16, 2015, Jerusalem, Israel, Paper # IAC-15,C1,4,11,x28734.

    Sellamuthu H., and Sharma R.K., “Analytical theory using KS elements for orbit prediction with solar gravitation perturbation,” Presented at the 59th Congress of the Indian Society for Theoretical and Applied Mechanics, December 16 – 20, 2014, Bangalore, India.

    Internal Reports

    Sellamuthu H., Interplanetary Trajectory Analysis and Mission to Apophis, Mastère spécialisé Thesis, September 2012, CNES/ISAE, Toulouse, France.

    Bentata S., Cáceres X., Casamayor V., Girault S., Millot L., Sellamuthu H., Sepúlveda J.C., and Tanguy S., PEEP-HOLE Ground Segment, Integrated Team Project Report, March 2012, ISAE, Toulouse, France.

    Sellamuthu H., Balakrishnan S., Biju A.D., Ali H., Fingerprint Authentication for Mobile Phones Using Bio-Applets, B.E Thesis, April 2008, Department of Computer Science and Engineering, PSG College of Technology, Anna University, Coimbatore, India.

    REFERENCES: Available upon request


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