Re: {MPML} SpaceX Hardware - Booster observations

From: Arto Oksanen via Seesat-l <seesat-l_at_satobs.org>
Date: Fri, 9 Feb 2018 10:42:19 +0200
Observation from iTelescope Siding Spring Observatory, Australia (MPC Code
- Q62) by Markku Nissinen:

https://twitter.com/PetriTikkanen/status/961853332317814785

Astrometry is in progress.

arto

2018-02-08 15:48 GMT+02:00 tme_at_asteroidinitiatives.com [mpml] <
mpml-noreply_at_yahoogroups.com>:

>
>
> On 2018-02-08 06:47, Bill Gray pluto_at_projectpluto.com [mpml] wrote:
> > Hi all,
> >
> > Jaime Nomen at (Z66) in Spain and Cristovao Jacques at (Y00)
> > in Brazil both got this object, at a distance slightly greater
> > than the moon (390000 to 416000 km). With either of their data,
> > we'd have gotten a decent orbit. With both, we've got one that
> > will ensure it'll be easy to keep track of... looks as if we'll be
> > able to do that for at least a week before it gets too faint :
> >
> > https://projectpluto.com/temp/spacex.htm#eph
> >
> > I still don't know if this is just the booster, or if it's booster
> > plus car. It looks to me that if they were still attached to each
> > other, you wouldn't be able to tell from the camera images; the
> > booster would be "hidden" on the underside of the vehicle.
> >
>
> This site has a picture of the Roadster in its stage adapter and shows
> the assemblage
>
> https://hevcars.com.ua/falcon-heavy-uspeshno-prizemlilsya-
> otpraviv-tesla-roadster-v-kosmos/
>
> picture only (which I recommend as it is safer to access)
>
> https://hevcars.com.ua/wp-content/uploads/2018/02/
> starman-in-red-tesla-roadster-hevcars.jpg
>
> So, clearly, the car is bigger than just the car.
>
> I suspect that the booster and the car are still attached - something
> relayed those pictures back to Earth, and I didn't see any signs of an
> attitude control system or a communications system in that picture.
>
> Regards
> Marshall
>
> > On the other hand, the positions measured by Cristovao and Jaime
> > are almost a quarter degree from the Horizons ephemerides, which is
> > about the difference we often see between payload and booster. My
> > guess is that the car will, sadly, be several magnitudes fainter
> > and therefore not too likely to show up... still worth looking
> > through the images, though; it could be brighter than I'm thinking.
> >
> > -- Bill
> >
> >
> > ------------------------------------
> > Posted by: Bill Gray <pluto_at_projectpluto.com>
> > ------------------------------------
> >
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> >
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-- 
Arto Oksanen
arto.oksanen_at_jklsirius.fi
Muurame, Finland
facebook.com/artooksanen | instagram: _at_artooksanen | twitter: @oksanen

"In a world where I feel so small, I can't stop thinking big."
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Received on Fri Feb 09 2018 - 02:43:31 UTC

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