Orbital Cloud

From Amazon:

In the year 2020, Kazumi Kimura, proprietor of shooting star forecast website Meteor News, notices some suspicious orbiting space debris. Rumors spread online that the debris is actually an orbital weapon targeting the International Space Station. Halfway across the world, at NORAD, Staff Sergeant Daryl Freeman begins his own investigation of the threat. At the same time, billionaire entrepreneur Ronnie Smark and his journalist daughter prepare to check in to an orbital hotel as part of a stunt promoting private space tourism. Then Kazumi receives highly sensitive, and potentially explosive, information from a genius Iranian scientist. And so begins an unprecedented international battle against space-based terror that will soon involve the Japan Aerospace Exploration Agency, NORAD, and the CIA.

“This book will thrill and delight readers with its tight plotting and brilliant scientific speculation, and it describes the space enthusiast community with a level of authenticity and passion seldom seen in fiction. One of the best hard SF novels of the year.” —Ken Liu, author of The Grace of Kings and The Paper Menagerie and Other Stories