Whatsup is a database combines information from the U.S. Space Track catalog and the UCS Satellite Database and presents it visually in Google Earth. It allows the user to easily display the location of individual objects or sets of objects—both active satellites and debris—around the Earth.

I would like to thank the Joint Space Operations Center and the Union of Concern Scientists for allowing me to use their data.

I would also like to thank David Wright, Judith Reppy and Elaine Scott for their kindly help.

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