Theory and design methods of special space orbits حسب Zhang, Yasheng, Xu, Yanli, Zhou, Haijun

Available for University of the Philippines Diliman via SpringerLink. Click here to access
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Orbital data applications for space objects conjunction assessment and situation analysis حسب Chen, Lei, Bai, Xian-Zong, Liang, Yan-Gang, Li, Ke-Bo

Available for University of the Philippines Diliman via SpringerLink. Click here to access
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The transits of extrasolar planets with moons حسب Kipping, David M.

Available for University of the Philippines Diliman via SpringerLink. Click here to access

Orbit ng earth, babaguhin ng NASA vs global warning حسب Eugenio, Adlwin Eugene

Satellite orbits models, methods, and applications حسب Montenbruck, Oliver 1961-

Images of orbits and orbits of images in symmetry groups حسب Walo, Ma. Lailani Baraya