Re: [Orekit Users] SpriteOrbits + Google Earth

[MAISONOBE Luc <luc.maisonobe@c-s.fr>]

Michael Turner <michael.eugene.turner@gmail.com> a écrit :

> My team's efforts at the Tokyo International Space Apps Challenge won
> an award. And we didn't even need to rig the demo very much. :-)
>
>   http://tokyo.spaceappschallenge.org/

Congratulations to you and your team!
I've seen some pictures on flickr, it seems to have been a large event  
with numerous projects.

> The not-yet-updated repo:
>
>   https://github.com/ProjectPersephone/SpriteOrbits
>
> Zac has said that there will be significant uncertainty about
> KickSat's position until contact can be established. I hope the
> relevant parameters can be determined in time for the release of the
> Sprites. The efforts of ground station volunteers will undoubtedly be
> key to orbital parameter acquisition, prior to release.
>
> One of the Space Apps Challenge team members here is keenly interested
> in making a Japan ground station. I've also had offers of help from a
> company in Finland, and will be at Indonesia's Institut Teknologi
> Bandung later in April, to talk about SpriteOrbits and ground station
> efforts.
>
> At the Space Apps Challenge event, our team proposed that KickSat
> could do some real science, insofar as real Sprite orbits could be
> determined and compared to what Orekit's idealized atmospheric drag
> models predict. I hope that isn't an unrealistic hope. Such a goal is
> very much in line with Mason Peck's original vision of Sprites as
> far-upper atmosphere probes.

Note that even if not everything is ready for the launch from a  
software point of view, it would always be interesting to gather raw  
data from the ground stations, so it can be processed later on. Time  
stamps at signal reception should be as accurate as possible. I don't  
know what kind of measurements will be accessible as the signal is  
only one way, but try to get what you can (time of reception of  
course, but perhaps signal strength, frequency shifts, angular  
direction ...).

> As long as I'm here: Zac has expressed disappointment about the state
> of the Wikipedia article about KickSat
>
>   https://en.wikipedia.org/wiki/KickSat
>
> and as the lead author of that article, I regretfully agree. The
> upcoming launch and mission will generate more attention (and more
> vandalism), and the article lacks significant coverage of ground
> station efforts. Please consider helping out on this. I'll try to get
> the Japanese article updated.

I would like to have an article on Orekit too, but for now there are none.

best regards,
Luc

> Regards,
> Michael Turner
> Executive Director
> Project Persephone
> K-1 bldg 3F
> 7-2-6 Nishishinjuku
> Shinjuku-ku Tokyo 160-0023
> Tel: +81 (3) 6890-1140
> Fax: +81 (3) 6890-1158
> Mobile: +81 (90) 5203-8682
> turner@projectpersephone.org
> http://www.projectpersephone.org/
>
> "Love does not consist in gazing at each other, but in looking outward
> together in the same direction." -- Antoine de Saint-Exupéry



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