Bill Gray Apr 8
On 08/04/2019 05.04, stevensallyra1@... [find_orb] wrote:
>
>
> Hi Bill,
>
> I have downloaded the new version 64 bit from the link below. I have the similar problem as before with the 64 bit version. When opening a file the 'window' to open a file from simply disappears after a few seconds when going through the file structures and thus you cannot open any text files.
>
> The new 32 bit version is however working fine. I'll use that one.
>
> Kind regards
>
> Steve
>
>
>
>
> -----Original Message-----
> From: Bill Gray pluto@... [find_orb] <find_orb@yahoogroups.com>
> To: find_orb <find_orb@yahoogroups.com>
> Sent: Thu, 4 Apr 2019 21:25
> Subject: [find_orb] Update posted
>
> Hello all,
>
> I posted a "development" testing two weeks ago. It appears
> to be working well, so I've made it "official". If you go to
>
> https://www.projectpluto.com/find_orb.htm
>
> (i.e., the usual page for Find_Orb), you can download and
> install from there.
>
> I've added a variety of features in recent months, but what
> really pushed the upgrade was a bug in the display of MOIDs,
> found by Denis Denisenko and discussed on MPML :
>
> https://groups.yahoo.com/neo/groups/MPML/conversations/topics/34970
>
> Essentially, Find_Orb was sometimes getting an incorrect MOID;
> the current MOID algorithm appears to be nearly bulletproof (and
> can determine MOIDs for parabolic and hyperbolic objects, which
> the previous method couldn't.)
>
> Other improvements are :
>
> -- Lots of updates to observatory codes. (Which you may already have,
> if you've downloaded the MPC's list recently.)
>
> -- Much better Spanish translation, thanks to GitHub user 'focanag'.
> (Click on Settings, and see languages near the bottom of the dialog.
> Note that most languages are only partially translated. I did the
> German and Russian translations, and I speak both languages poorly;
> corrections, or further languages, are welcome.)
>
> -- Fixed a problem with objects passing through the earth causing
> the program to grind to a halt. This also involved some performance
> improvements; orbit determination ought to be a little faster.
>
> -- Objects passing through the earth's shadow will have their
> magnitudes in ephemerides suitably adjusted (they get fainter when
> partially eclipsed, then the magnitude is changed to "Sha" when
> totally eclipsed.) This only happens a few times a year, but it's
> an interesting thing when it _does_ happen. (And of course, for
> artsats, it happens routinely.)
>
> -- Fixed problem with reading observations from TESS. That satellite
> has coordinates that are sometimes more than 100000 km from the geocenter;
> MPC made a small revision to their data format to handle such cases,
> and I had to modify Find_Orb to understand that modification.
>
> -- Find_Orb assumed objects were not observed at distances over 100
> AU. That assumption had to be revisited after 2018 VG18 ("FarOut") was
> found at roughly 110 AU. Find_Orb now checks all the way out to 200 AU.
> Let's hope the Planet Nine searchers rise to that challenge.
>
> -- I'd anticipated a leap second at the end of this coming June,
> but none has been announced by the IERS in Paris. (Or, as I call them,
> the Time Lords.) The code now anticipates one at the end of 2019.
> Kinda hard to see how they'd be able to avoid one then.
>
> -- Lots of much smaller improvements, such as having more NEOCP data
> shown "unredacted" in pseudo-MPECs many of them to the Linux/BSD/
> Mac console version.
>
>
>
>