Re: STS landing ops

From: JamesOberg@aol.com
Date: Tue Feb 20 2001 - 12:06:03 PST

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In a message dated 2/20/01 12:30:21 PM Central Standard Time, 
ROBERT.D.MATSON@saic.com writes: << > Why doesn't NASA consider landing the 
Shuttle on a descending night time pass at KSC? >>

When I worked shuttle mission orbital design, often the ascending/descending 
selection was based on crew sleep scheduling only. There are no physical 
constraints to a landing from the NW, we've done it numerous times. Look at 
the high-incl missions (57 or 52 degrees) where the mission duration is 
integral days plus about 6 hours. Those are the NW landing missions. 

JimO
www.jamesoberg.com

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