Re: Glonass 7 & 8 observation

JAY RESPLER (jrespler@InJersey.com)
Wed, 17 Sep 1997 23:35:59 -0400 (EDT)

On 17 Sep 1997, ROB MATSON wrote:

> In response to Timo Kinnunen's 8/31 21:08 UTC observation of two high-altitude
> satellites passing near a variable star in Cassiopeia, Rainer Kracht
> identified the satellites as Cosmos 1519 and Cosmos 1520.  Rainer's ID is
> correct.  Cosmos 1519 is Glonass 7 (#14590, 1983-127A) and Cosmos 1520 is
> Glonass 8 (#14591, 1983-127B).  Timo observed them at a range of over 19,600
> km.
> 
> The standard magnitude listed for these guys is 4.0, which leads to a
> predicted magnitude of 10.2 -- far brighter than the 14th magnitude that was
> reported.  Perhaps these standard magnitudes need to be updated?

I've seen some Glonass at mag 11, giving a QUICKSAT/HIGHFLY  Intrinsic 
Mag of about 4.3.  Occasionally, some don't show as predicted, and I have 
seen some slowly vary.


Jay Respler
--
Details of how to get on the Satellite Observer Mail List, elements, prediction
programs and other satellite information, at the Visual Satellite Observers
Home Page: http://www2.plasma.mpe-garching.mpg.de/sat/satintro.html
--
              JRespler@InJersey.com  
    Satellite Tracker * Early Typewriter Collector
               Freehold, New Jersey