Re: [guide-user] Mir de-orbit

James Ellis Nov 26, 2000

>Most likely it is. To predict the final revolutions of a decaying
>satellite with any reasonable accuracy is a tricky matter. Apart from
>earth gravity data you also need air density data, and it's not sufficient
>to base that data on some standard atmosphere but you need to base it
>on actual air densoty measurements as much as you can.
>
>Yes, Guide has tons of features, but I don't think it (yet?) has any
>feature to input air density data to improve the accuracy when predicting
>when and where a satellite will decay into the lower atmosphere.


Awww come onnnn!!! what a gip!



>You mean it's not equivalent to a non-rusty Volvo or a rusty non-Volvo? <g>

You've stumped me on that one...

>Don't worry -- you could really substitute with any car brand name
>here -- and whether it's rusty or not matters little to its mass.
>Also, Volvo didn't just manufacture regular cars but also trucks, and
>I think Mir is more the size of a truck than of a regular car. Don't
>you agree?


Yeah but I was trying to think of something universally renowned for having
bits falling off it but still keeping on going.
Maybe it's more like a Lada...
Still it should make quite a show.

>
>Finally, Volvo is nowadays an american company -- it was bought some
>years ago by Ford. So today the only remaining Swedish manufacturers
>of trucks is Scania....
>
>----------------------------------------------------------------
>Paul Schlyter, Swedish Amateur Astronomer's Society (SAAF)
>Grev Turegatan 40, S-114 38 Stockholm, SWEDEN
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