[1] National Aeronautics and Space Administration, "Orbital Debris", Quaterly News, vol. 24, Issue 1, February 2020.
[2] L. Chen, X.Z. Bai, Y.G. Liang, K.B. Li, L. Chen, X. Z. Bai, and K. Li, Orbital Data Applications for Space Objects, Springer: Berlin/Heidelberg, Germany, p. 166, 2017.
[3] S. Petersa, Ch. Pirzkall, H. iedler, and R. Forstner, "Mission concept and autonomy considerations for active Debris removal", Acta Astronaut, vol. 129, pp. 410-418, 2016.
[4] M. Shan, J. Guo and E. Gill, "Review and comparison of active space debris capturing and removal methods", Prog. Aero. Sci. 80 (2016) 18e32.
[5] R_emi Soulard, N. Mark Quinn, T. Tajima, G_erard Mourou, ICAN, "A novel laser architecture for space debris removal", Acta Astronaut. Vol. 105, pp. 192-200, 2014.
[6] Shuangyan Shen, Jin Xing, Hao Chang, "Cleaning space debris with a spacebased laser system", Chin. J. Aeronaut. Vol. 27, no. 4, pp. 805- 811, 2014.
[7] F.Y. Yang, B. Nelson, J. Aziz, et al., “Light Force photon-pressure, collision avoidance: efficiency analysis in the current debris environment and long-term simulation perspective", Acta Astronaut, vol. 126, pp. 411-423, 2016.
[8] W. Quan, Y. Liwei, Z. Shanghong, F.Yingwu, and W. Yi, "Removing small scale space debris by using a hybrid ground and space based laser system", Optik, vol. 141, pp. 105-113, 2017.
[9] Online Available at: "http://cannae.com/space-freighter.
[10] E. Zapata, "The State of Play: US Space Systems Competitiveness", (Presentation to the Future In-Space Operations (FISO) Seminar, NASA Kennedy Space Center), October 11, 2017.
[11] H. Jones, "The recent large reduction in space launch cost", 48th International Conference on Environmental Systems, 2018.
[12] Online Available at:
www.ucsusa.org.
[13] K. Eun-Hyouek, K. Hae-Dong, and K. Hak-Jung. "A study on the collision avoidance maneuver optimization with multiple space debris." Journal of Astronomy and Space Sciences, vol. 29, no. 1, pp. 11-21, 2012.
[14] Miller, James G. "Covariance analysis for deep-space satellites with radar and optical tracking data." The Journal of the Astronautical Sciences, vol. 55, no. 2 pp. 237-243, 2007.
[15] G. Kirchner, et al. "Laser measurements to space debris from Graz SLR station", Advances in Space Research, vol. 51, no. 1, pp.21-24, 2013.
[16] B. Greene, et al. "Laser tracking of space debris." 13th International Workshop on Laser Ranging Instrumentation, Washington DC. 2002.
[17] F. Alidoost, F. Samadzadegan, "Review on Satellite Orbit Determination", JSSGE, No. 4, Vol. 3, pp. 13-22, 1392 (in persian).
[18] D. Vallado, Fundamentals of astrodynamics and applications, Vol. 12. Springer Science & Business Media, 2001.
[19] L. Chen, and et al., Orbital Data Applications for Space Objects. Springer, Singapore, Singapore, (Report), 2017.
[20] Online Available at: "http://celestrak.com".
[21] Hoots, Felix R., Paul W. Schumacher Jr, and A. Robert Glover. "History of analytical orbit modeling in the US space surveillance system." Journal of Guidance, Control, and Dynamics, vol. 27, no. 2 , pp. 174-185, 2004.
[22] M. Navabi, and R. Hamrah, "Space Objects Propagation Model, Satellites Critical Conjunction Prediction and Space Object Maximum Probability Estimation", Space Sience and Technology, Spring 1392, No. 1, pp. 57-67, in persian.
[23] T.S. Kelso, and S. Alfano, "Satellite Orbital Conjunction Reports Assessing Threatening Encounters in Space(SOCRATES)." Advances in the Astronautical Sciences, vol. 120, pp. 317-326, 2005.
[24] Alfano, Salvatore, and Daniel Oltrogge., "Probability of Collision: Valuation, variability, visualization, and validity", Acta Astronautica, vol.148, pp. 301-316, 2018.
[25] Chan, Ken., "Short-term vs. long-term spacecraft encounters.", AIAA/AAS astrodynamics specialist conference and exhibit, 2004.
[26] R. P. Patera, "General Method for Calculating Satellite Collision Probability", Journal of Guidance, Control, and Dynamics, Vol. 24, No. 4, July-August 2001, pp. 716-722.
[27] S. Alfano,. "Review of conjunction probability methods for short-term encounters (aas 07-148)." Advances in the Astronautical Sciences 127.1, pp. 719, 2007.
[28] E. R. George, and S. Harvey, A comparison of satellite conjunction analysis screening tools, (Report), Air Force Research Lab Kirtland AFB NM Space Vehicle Directorate, 2011.
