Re: Notice on space track site

From: Jonathan McDowell via Seesat-l <seesat-l_at_satobs.org>
Date: Thu, 24 Jul 2014 19:51:23 -0400
Agreed on all points. Significantly better than nothing, but with severe
limitations


On 24 July 2014 18:56, Henry Hallam <henry_at_pericynthion.org> wrote:

> The data was of pretty poor quality anyway, wide variations between
> objects that were known to be physically identical, and no sigmas
> provided.
> But still, I'd rather have it than not :(
> Henry
>
> On Wed, Jul 23, 2014 at 6:57 AM, Jonathan McDowell via Seesat-l
> <seesat-l_at_satobs.org> wrote:
> > This is too bad. I guess someone decided these should not be public. Even
> > worse, currently  "SMALL" will mean either small or unknown - there are a
> > lot of zeroes in the RCSVALUE field that aren't real zeroes, just 'not
> > measured' and now it won't be possible to distinguish these from
> > measured small values unless they tweak their plan.
> >    - Jonathan
> >
> >
> > On 23 July 2014 05:06, Kevin Fetter via Seesat-l <seesat-l_at_satobs.org>
> > wrote:
> >
> >> What has appeared.
> >>
> >> USSTRATCOM has added scaling of RCS values to the SATCAT. Until 18 Aug
> 14,
> >> there will be a dual-feed of both current values (RCSVALUE) & scaled
> values
> >> (RCS_SIZE). RCS_SIZE has 3 values: Small (< 0.1m2), Medium (0.1m2 –
> 1m2), &
> >> Large (>1m2). Space-Track will show only scaled values starting 18 Aug
> >> (RCSVALUE will show static value of 0 in satcat, satcat_debut, & decay
> >> classes). There is no change to CDM spaceflight safety notification
> info or
> >> procedures. Contact admin_at_space-track for more info.
> >>
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> >>
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>
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Received on Thu Jul 24 2014 - 18:51:51 UTC

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