Biography

Prof. Ram Krishan Sharma

Karunya University, Coimbatore, India


Email: [email protected]


Qualifications

Ph.D., University of Delhi, India

M.Sc., University of Delhi, India


Publications (Selected)

  1. Perturbations of Lagrangian points in the restricted three-body problem, Sharma, R. K. 1975,Indian J Pure and Appl. Math, 6, 1099-1102.
  2. Periodic orbits of first kind in the restricted three-body problem when the more massive primary is an oblate spheroid,Sharma, R. K. 1976, Astronomy and Astrophysics, 50, 257-258.
  3. Stationary solutions and their characteristic exponents in the restricted three-body problem when the more massive primary is an oblate spheroid,Sharma, R. K. & Subba Rao, P. V. 1976, Celestial Mechanics, 13, 137-149.
  4. A case of commensurability induces by oblateness,Sharma, R. K. & Subba Rao,P. V. 1978, Celestial Mechanics, 18, 185-194.
  5. The linear stability of libration points of the photogravitational restricted three-body problem when the smaller primary is an oblate spheroid,Sharma, R. K. 1987,Astrophysics and Space Science, 135, 271-281.
  6. Analytical approach using KS elements to short-term orbit predictions including J2,Sharma, R. K. 1989,Celestial Mechanics and dynamical Astronomy, 46, 321-333.
  7. Periodic orbits of third kind in the restricted three-body problem with oblateness, Sharma, R. K. 1990,Astrophysicsand Space Science, 166, 211-218.
  8. Analytical approach using KS elements to near-Earth orbit predictions including drag, Sharma, R. K. 1991, Proc. Royal Soc. Lond., A 433, 121-130.
  9. . A third-order theory for the effect of drag on Earth satellite orbits,Sharma, R. K. 1992, Proc. Royal Soc. Lond., A 438, 467-475.
  10. Effect of oblateness on the non-linearity of L4 in the restricted three-body problem, Subba Rao P. V.&Sharma, R. K. 1997,Celestial Mechanics and dynamical Astronomy,65, 291-312.
  11. Analytical integration of KS element equations with J2 for short-term orbit predictions,Sharma, R. K. 1997,Planetary and Space Science, 45, 1481-1486.
  12. Contraction of satellite orbits using KS elements in an oblate diurnally varying atmosphere,Sharma, R. K. 1997, 1997,Proc. Royal Soc. Lond., A 453, 2353-2368.
  13. Contraction of high eccentricity satellite orbits using KS elements with air drag,Sharma, R. K. 1998,Proc. Royal Soc. Lond., A 454, 1681-1689.
  14. Consideration of lifetime limitation for spent stages in GTO, Sharma, R. K.,.Bandyopadhyay, P. &Adimurthy, V. 2004,Advances in Space Research, 34, 1227-1232.
  15. Fourth-order theories for orbit predictions for low-and high-eccentricity orbits in an oblate atmosphere with scale height dependent on altitude,Sharma, R. K.& Raj, M. X. J. 2009,Acta Astronautica, 65, 1336–1344.
  16. Optimal Reentry Time Estimation of an Upper Stage from Geostationary Transfer Orbit, Mutyalarao, M. & Sharma, R. K. 2010 Journal of Spacecraft and Rockets, 47, 686-690.
  17. Evolution of periodic orbits in the Sun-Mars system,Dutt, P.&Sharma, R. K. 2011, Journal of Guidance, Control, and Dynamics, 34,635-644.
  18. Effect of Altitude, Right Ascension of Ascending Node and Inclination on Lifetime of Circular Lunar Orbits, Gupta, S. &Sharma, R. K. 2011,International Journal of Astronomy and Astrophysics, 1, 155-163.
  19. Mars interplanetary trajectory design via Lagrangian points, Eapen, R. T.&Sharma, R. K. 2014, Astrophysics and Space Science, 353, 65-71.
  20. Orbit theory with lunar perturbation in terms of Kustaanheimo-Stiefel regular elements, Sellamuthu, H.&Sharma, R. K. 2016, Journal of Guidance, Control, and Dynamics (in press).
  21. Regularized analytical orbit theory with solar radiation pressure, Sellamuthu, H., Sharma, R.K., Pushparaj, N., Ravichandran, S., Khadri, S.P.M.S. 2020, Proceedings of the International Astronautical Congress, IAC, 2020-October.
  22. PERTURBED TROJAN DYNAMICS IN THE SOLAR SYSTEM, Sharma, R.K., Sellamuthu, H., Jency, A. 2021, Advances in the Astronautical Sciences, 175, 3599-3618.
  23. Regularized luni-solar gravity dynamics on resident space objects, Sellamuthu, H., Sharma, R.K. 2021, Astrodynamics, 5, 91-108.
  24. A Note on Modified Restricted Three-Body Problem, Kumar, D., Sharma, R.K., Aggarwal, R., Chauhan, S., Sharma, A. 2022, Astronomy Reports, 66, 710-724.
  25. Limiting periodic orbits in the neighborhood of the triangular equilibrium points when the more massive primary is an oblate spheroid, Kumar, P., Sharma, R.K., Gaur, P. 2023, AIP Conference Proceedings, 2797, 090001.
  26. The Role of Oblateness in Shaping Stability and Zero Velocity Curves in the Perturbed Restricted Three-Body Problem, Kumar, D., Sharma, R.K. 2023, Astronomy Reports, 67, 1251-1264.



Profile Details

https://www.researchgate.net/profile/Ram-Sharma-15


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