Hi Harlan,
The restriction of seven slews per day of 5° or more, and one large
slew (>20°) per orbit, aren't new. All of our slews will be
large slews, but we only do one slew per orbit anyways, so the
latter restriction isn't a problem. During target-quiet periods
when other instruments don't need any slews, we could potentially
get in several slews in a single day.
Regarding all the checks that have to be done before a slew is
approved - the new added complexity supports our case of asking the
MOT to just fit in our simple fixed-angle horizon slews whenever the
opportunity presents itself, just like they do for pulser sequences
and used to do for the 90° cal slews.
-Jody
On 11/2/2020 2:46 PM, Harlan Spence
wrote:
All,
We just received the following document for
review regarding LRO slew requirements. I suspect Jody will
have the most informed comments, but other inputs are welcomed,
too. The want our comments back by this Friday. See
attached...
Thanks, - Harlan
________________________________
Harlan E. Spence
Director, Institute for the Study of Earth,
Oceans, & Space and Prof. of Physics
Morse Hall, Room 306
University of New Hampshire
8 College Road
Durham, NH 03824-3525
Phone: 603-862-0322
Fax: 603-862-1915
http://www.eos.unh.edu/Faculty/SpenceTwitter: @HarlanSpence2
________________________________
Begin forwarded message:
Subject: LRO Slew
Requirements Document - internal Review
Date: November 2, 2020 at
2:27:08 PM EST
Harlan/Richard
My
apologies for missing you two gentleman as reviewers
of the upcoming Slew Requirements document. I had
some email issues…
Francisco
and Apurva wanted the science team leads to review
and provide comments to this internal, draft version
of the LRO Slew Requirements document. If possible,
please have your teams’ review this document provide
a single set of comments by the end of the week.
Thanks
very much for your understanding of this last-minute
request. Please LMK if your group will have any
issues meeting the end of Friday, Nov 6, deadline.
Ralph
Casasanta
LRO
Ground System & Operations Support
Building
32, Room E140A
Phone:
301-614-5321
Fax:
301-614-5313
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--
Jody Wilson
Space Science Center
University of New Hampshire
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