SAN DIEGO — Orbital Sciences Corp. expects to have U.S. government approval within about a year for using its Antares rocket to launch payloads to sun-synchronous orbit from NASA’s Wallops Flight ...

After our recent posts on rainbow plane offsets and the list of imaging satellites we thought it would be interesting to see what a sun-synchronous orbit actually looks like in Google Earth. We have ...

Arianespace’s Ariane 5 launcher once again demonstrated its operational maturity and accuracy today by placing a seven-satellite payload into Sun-synchronous orbit. Drawing of the Ariane 5 payload ...

In yesterday’s post we suggested that the reason for the near polar orbit of most imaging satellites was to improve coverage. After a bit more research it turns out to be more interesting than that.