Subj: | Fw: Did you see this? |
Date: | 1/6/02 9:43:19 AM Pacific Standard Time |
I had originally predicted 02/02/02 way back in 1996.
Bill anon wrote:
Kevin,THANKS - I like you "heads-up" comment - I will pass this on to some other folks
-BG-
At 10:10 AM 1/4/2002 -0500, you wrote:
No, I didn't. Thanks for the heads-up (literally!)....KH.
At 09:56 AM 1/4/02 -0500, you wrote:
>From:SMTP%"owner-euve_guest_observers@uclink4.berkeley.edu" 3-JAN-2002
>13:04:31.30
>To:OLIVERSEN
>CC:
>Subj:
>
>Date: Thu, 3 Jan 2002 10:01:29 -0800 (PST)
>From: owner-euve_guest_observers@uclink4.berkeley.edu
>Message-Id: <200201031801.g03I1Tn09316@uclink4.berkeley.edu>
>X-Authentication-Warning: uclink4.berkeley.edu: majordom set sender to
>owner-euve_guest_observers@listlink.berkeley.edu using -f
>
>Dear EUVE GOs,
>Sender: owner-euve_guest_observers@listlink.berkeley.edu
>Precedence: bulk
>
>It is looking like re-entry might be this month -- a couple months sooner
>than we all thought.
>
>We are no longer relying on FDF for info on the orbit decay.
>
>Heavens-above.com shows it at 302 km altitude today (this is down from
>the original ~527 km). Apparently, once it gets down to about 300 km it
>will be fall very quickly.... and death is imminent at 200 km. It has
>been losing at least a km every day now for the last couple weeks.
>
>Former EUVE scheduler Bryce Roberts found a website with reentry predicts
>at www.wingar.demon.co.uk/satevo/current.htm. This isn't always up to
>date, but the guy provides a script
>(www.wingar.demon.co.uk/satevo/#Download) that takes realtime NORAD
>data (www.celestrak.com/NORAD/elements/science.txt) and comes up with
>re-entry predicts. Using the script with the more recent numbers, the
>latest is January 21!!!!
>
>HOWEVER...
>
>NORAD's data is *usually* only good for the next 24 hours. Because of the
>way they measure the drag component for orbits the data is very unrelaible
>for reentry predictions. So, the above can never be very accurate...
>
>Soon, the Aerospace Corporation will be following the EUVE reentry at
>www.reentrynews.com/upcoming.html. They will start predictions once they
>think we are about a month before the reentry.
>
>I will likely email you all again before burn-up, but these sites will be
>the best way for you to keep on top of it.
>
>Happy New Year!
>
>Jennifer
>
>
>
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>----------------------------------------------------------------------****************************************************************
Kevin Hartnett
Hubble Space Telescope Science Institute (STScI)
Liaison Lead EngineerMail Code 441
| Building 7, room 247
Org. Code 586| (301) 286-6064
NASA GSFC| (301) 286-1659 (FAX)
Greenbelt, MD 20771| Email: Kevin.Hartnett.1@gsfc.nasa.gov ****************************************************************