Theory and design methods of special space orbits 由 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 由 Chen, Lei, Bai, Xian-Zong, Liang, Yan-Gang, Li, Ke-Bo

Available for University of the Philippines Diliman via SpringerLink. Click here to access
Also available remotely for University of the Philippines Diliman via SpringerLink. Click here to access thru EZproxy

The transits of extrasolar planets with moons 由 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 由 Eugenio, Adlwin Eugene

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

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