Posted by John on January 03, 2000 at 19:23:00:
In Reply to: Re: Speed of Hubble is 26 239 km/h posted by Scott Johnson on January 03, 2000 at 13:21:48:
>
> > It takes Hubble about 100 min to circle the globe. This calculates to about
> > 26 239 km/h, rounding to the nearest whole kilometre. Thus the value you
> > gave in both miles and kilometres per hour is about 2000 km/h on the high
> > side. Obviously the speed in miles was rounded to give it the appearance
> > of being a rational speed. Since the time of 100 min might not be exact,
> > the speed I calculated could be off too. The 100 min orbit time came
> > from the Hubble web page: http://hubble.gsfc.nasa.gov/discussion.html.
> Taking values off the discussion board is not the best approach. Remember
> this is an open forum. Anyone can input their opinions.
> Scott
All the pages that show Hubble's speed as 26 239 km/h are in error. An addendum with calculations was made to show Hubble's correct speed and rotaional period. If you like, you may delete these pages from the forum.