Re: Starlink: RCS and dimensions

From: Jonathan McDowell via Seesat-l <seesat-l_at_satobs.org>
Date: Tue, 21 Apr 2020 11:54:30 -0400
However, SpaceX informed me directly that the solar array is 8.1 x 2.8
metres.

On Tue, 21 Apr 2020 at 11:42, Leo Barhorst via Seesat-l <seesat-l_at_satobs.org>
wrote:

> Hello hehehe,
>
> Seet the website of SpaceX at spacex.com.
> There you can find all kind of info about the Starlinks.
>
> Also a picture of the Starlink stack enclosed in one half of the fairing.
>
> I used this picture and the dimensions of the fairing in the Falcon 9
> handbook
> to calculate the dimensions of the starlink sats.
>
> The fairing has an outer diameter of 5,20 m and height of 6,90 m before the
> nosecone starts.
> The skin with the honeycomb is 0,27 m.
> That leaves for the sats a space of 4.66 m.
> The Starlinks are stacked 2 side by side and 15 layers high.
>
> In this space fits a rectangle of 3,30 x 3.30 m, consisting of 2 sats.
> So the length of the flatpanel sat is max 3.30 and de width max 1.65
> Knowing these dimensions the height  of the sat can be estimated and is
> around 0.08 m.
>
> From an artist impression on the SpaceX site with the sats in orbit the
> length of the solar
> panel is between 15-16 m.
>
> I hope my explanation is clear to you.
>
> I don.t have info on the RCS snh reflective radiowise they are.
> Perhaps some obdervers that do radio obs of sats can answer this.
>
> Regards,
> Leo
>
>
> Op di 21 apr. 2020 om 14:54 schreef hehehe--- via Seesat-l <
> seesat-l_at_satobs.org>:
>
> > Hi!
> >
> > How big are these starlink satellites, and how reflective radiowise?
> > Is there a known RCS (radar cross section)?
> > Where can I see detailed photos of a starlink sat?
> >
> > Greetings!
> >
> >
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Received on Tue Apr 21 2020 - 10:55:15 UTC

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