PhD Thesis
Sellamuthu H., Regularized Astrodynamics using Kustaanheimo-Stiefel space, 2019.
Peer-reviewed journal articles
1. Sellamuthu H., and Sharma R.K., Regularized luni-solar gravity dynamics on resident space objects, Astrodynamics, Vol. 5, No.2, pp. 91 – 108, 2021. DOI: 10.1007/s42064-020-0085-6
2. Sellamuthu H., Arumugam S., and Sharma R.K., Sun gravity-assist to trans-lunar injection orbits, Lecture Notes in Mechanical Engineering, Vol. 112, pp. 1 – 10, 2020. DOI: 10.1007/978-981-15-0772-4_1
3. Sellamuthu H., and Sharma R.K., Hybrid orbit propagator for small spacecraft using Kustaanheimo-Stiefel elements, Journal of Spacecraft and Rockets, Vol. 55, No. 5, pp. 1282 – 1288, 2018. DOI: 10.2514/1.A34076
4. Sellamuthu H., and Sharma R.K., Orbit theory with lunar perturbation in terms of Kustaanheimo-Stiefel regular elements, Journal of Guidance, Control, and Dynamics, Vol. 40, No. 5, pp. 1272 – 1277, 2017. DOI: 10.2514/1.G002342
5. 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, No. 2, pp. 141 – 150, 2017. DOI: 10.22606/adap.2017.22008
6. 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, No. 1, pp. 7 – 11, 2017. DOI: 10.14419/ijaa.v5i1.7083
Conference proceedings
1. 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.
2. Sellamuthu H., Arumugam S., and Sharma R.K., “Sun gravity-assist to trans-lunar injection orbits,” Proceedings of the 63rd Congress of the Indian Society for Theoretical and Applied Mechanics, December 20 – 23, 2018, Bangalore, India. Paper #004.
3. Sellamuthu H., Sharma R.K., Solomon, B.J., Ravichandran, S., and Shah Khadri, S.P.M., “Optimized re-entry time prediction of Molniya orbit objects,” Proceedings of the 70th International Astronautical Congress, October 21 – 25, 2019, Washington DC, USA, Paper # IAC-19,A6,9,10,x49605.
4. Sharma, R.K., Sellamuthu H., and Arantza Jency A., “Perturbed Trojan dynamics in the solar system,” Proceedings of 2020 AAS/AIAA Astrodynamics Specialist Conference, August 9 – 13, 2020, AAS 20-704.
5. Sellamuthu H., Sharma R.K., Pushparaj N., Ravichandran, S., and Shah Khadri, S.P.M., “Regularized analytical orbit theory with solar radiation pressure,” Proceedings of the 71st International Astronautical Congress 2020 - The CyberSpace Edition, October 12 – 14, 2020, Paper # IAC-20,C1,VP,x60338.
Conference presentations and posters
1. Sellamuthu H., “Regularized orbit observability for resident space objects,” Presented at the 43rd COSPAR Scientific Assembly, January 28 – February 4, 2021, Sydney, Australia.
2. Sellamuthu H., and Sharma R.K., “Optimal re-entry time prediction of resident space objects from highly elliptical orbits,” Paper presented at the 42nd COSPAR Scientific Assembly, July 14 – July 22, 2018, Pasadena, California, USA.
3. 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.
4. 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).
5. 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.
6. 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.