• ROSAT decay update

    The massive ROSAT X-ray space telescope continues to descend toward Earth. Latest estimates place the re-entry around noon Universal Time on Oct. 23rd. Uncertainties exceed 10 hours, which makes it impossible to say exactly where ROSAT will re-enter. Many sky watchers

  • UARS reentry update! Where will it fall?

    NASA’s UARS satellite is making its last orbits around Earth. Orbital elements just published by US Strategic Command suggest that re-entry could occur a little later than previously expected.”For now, it looks like 00:00 – 04:00 UTC on Sept. 24,” says satellite

  • UARS Re-entry Alert!

    NASA reports that UARS, an atmospheric research satellite the size of a small bus, will re-enter Earth’s atmosphere on Sept. 23, plus or minus one day. Not all of the spectacularly-disintegrating spacecraft will burn up in the atmosphere; debris could be scattered