It is still too early to tell exactly where the dead satellite will fall. Scientists will likely have a much better idea of where the debris will land about two hours before the impact, NASA officials said.
President Obama's national space policy, released Monday, focuses more on international approaches to space issues than previous presidents' policies.
President Obama's budget for NASA seeks to end its back-to-the-moon program, rely more heavily on private companies, and invest in new technologies for human space exploration.
Without Russia, NASA couldn’t send astronauts to the space station between 2010 and 2015.