Re: New bright satellite

From: Marco Langbroek via Seesat-l <seesat-l_at_satobs.org>
Date: Tue, 25 Jul 2017 02:27:25 +0200
I have tried to image it several times (just an hour ago for example) but so far no luck.

Nearby "Flying Laptop" is visible.

If Mayak deployed, it could be that (like Iridium flares) the reflection is very specular and directional, so only visible in a narrow zone.

- Marco Langbroek



Verstuurd vanaf mijn iPad

> Op 24 jul. 2017 om 23:03 heeft Dr. T.S. Kelso via Seesat-l <seesat-l_at_satobs.org> het volgende geschreven:
> 
> Do we have any reports of Mayak actually being observed yet? Heavens Above shows it as 42830/OBJECT F, but if this is correct, the deployment has not yet occurred, since there is no differential motion relative to other objects in relative proximity.  - TS
> 
> Dr. T.S. Kelso
> CelesTrak, https://celestrak.com
> E-Mail: ts.kelso_at_celestrak.com<mailto:ts.kelso_at_celestrak.com>
> 
> On 2017 Jul 14, at 07:55, Peter Brandt via Seesat-l <seesat-l_at_satobs.org<mailto:seesat-l_at_satobs.org>> wrote:
> 
> From this article,
> https://spaceflightnow.com/2017/07/14/soyuz-rideshare-launch/, it looks
> like Mayak was probably dispensed into a 584 km x 604 km orbit at 97.61
> degrees inclination. I do not know if it successfully deployed, or if the
> reflector is stuck in the cubesat, or if it exploded into a million mylar
> pieces which might still be visible.
> 
> 
> On Tue, Jul 11, 2017 at 4:18 AM Leo Barhorst via Seesat-l <
> seesat-l_at_satobs.org<mailto:seesat-l_at_satobs.org>> wrote:
> 
> On Friday Jul 14th 2017 at 6;36 Ut a Soyuz 2-1A will launch with 73
> payloads.
> The main payload is Kanopus V-IK, several micro satellites and a lot of
> Cubesats
> with 8 Lemur-2 and 48 Flock 2k satellites in a 98 degree orbit.
> 
> But the one to watch for is MAYAK (russian for Lighthouse or Beacon), a 3U
> Cubesat
> that will deploy a tetrahedral reflector with sides of 4 sq m.
> The sat wil rotate in all 3 directions and by reflecting the sunlight it
> could reach
> mag -10, much brighetr than ISS (mag -4) or the Iridium-1's (mag -8).
> 
> See the article on Spaceflight101.com<http://Spaceflight101.com> with 2 video's and photo's.
> 
> Should be a nice object to watch and image.
> 
> Regards
> Leo Barhorst
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Received on Mon Jul 24 2017 - 19:28:08 UTC

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