Help Shape the Future of Space Exploration

Join The Planetary Society Now  arrow.png

Join our eNewsletter for updates & action alerts

    Please leave this field empty

LRO & LCROSS: Ready to Roll to Pad 41

Posted by

18-06-2009 24:03 CDT


by Ken Kremer

The million pound thrust Atlas V rocket which will blast NASA's piggybacked Lunar Reconnaissance Orbiter (LRO) and Lunar Crater Observation and Sensing Satellite (LCROSS) to the Moon is set to be rolled out from the Vertical Integration Facility to the pad at Space Launch Complex 41 today at Cape Canaveral Air Force Station, Florida. LRO launch had been postponed 1 day to allow one last flight opportunity for Shuttle Endeavour in June.

Today's planned launch of Endeavour from Pad 39 A at the Kennedy Space Center to the International Space Station was scrubbed at 1:55 AM this morning. Intermittent leaks were again detected with the gaseous hydrogen venting system outside the shuttle's external fuel tank similar to the one which stopped Endeavour's launch on Jun 13. The fueling itself had been delayed several hours due to the nearby threat of thunderstorms. Venting of excess hydrogen is required to prevent accumulation of dangerous vapors.

The Endeavour countdown had successfully resumed as planned on Tuesday Jun 16 at the T-minus 11 hour mark and was proceeding normally until hydrogen leaks of up to 40,000 to 60,000 ppm were detected. NASA plans a full investigation to ascertain the

See other posts from June 2009


Or read more blog entries about:


Leave a Comment:

You must be logged in to submit a comment. Log in now.
Facebook Twitter Email RSS AddThis

Blog Search

Planetary Defense

An asteroid or comet headed for Earth is the only large-scale natural disaster we can prevent. Working together to fund our Shoemaker NEO Grants for astronomers, we can help save the world.


Featured Images

Opportunity panorama at Rocheport
Ice Flows and Dunes in Mars' Northern Polar Region
The TRAPPIST-1 system: Where might liquid water exist?
The TRAPPIST-1 system
More Images

Featured Video

Intro Astronomy 2017. Class 5: Venus & Mars

Watch Now

Space in Images

Pretty pictures and
awe-inspiring science.

See More

Join The Planetary Society

Let’s explore the cosmos together!

Become a Member

Connect With Us

Facebook, Twitter, YouTube and more…
Continue the conversation with our online community!