42 44 | China's Tiangong-1 space lab set to fall from earth's orbit between March 31 and April 4, 2018

April 2 or April 4 would be fitting dates to make a return.

Outer Space = 42
Space = 44; Asian = 44

https://www.cnn.com/2018/03/29/asia/tiangong-1-china-space-lab-intl/index.html

The object is listed as being 40-feet-long.

Some of those other numbers should pop in light of the history of space, including 58, 68 and 88.