RE: NOSS triplet

From: Brierley David (DMBRIERLEY@dera.gov.uk)
Date: Mon May 15 2000 - 08:25:20 PDT

  • Next message: nixj@bellsouth.net: "Obs May 15 correction"

    Mark
    
    I think it's fair to say that all the NOSSs launched between 1971 and
    1987 (NOSS 0 to 7) are faint and challenging objects.  They came in
    triplets, with 16 secs in time between the leading and trailing
    satellites, and another satellite offset by up to 3 degrees.  Only the
    NOSS 6 (86-14) triplet still keeps station.
    
    The NOSS 2-1 (90-50) and NOSS 2-2 (91-76) triplets are much brighter,
    and can be visible to the naked-eye at times.  Their separation is
    smaller, about 10 secs instead of 16.  The NOSS 2-3 (96-29) triplet is
    the same brightness, and their separation is smaller again, 6 secs
    instead of 10.
    
    Sometimes they look like a flying triangle in the sky, but sometimes
    they come virtually in a straight line.
    
    Best wishes
    David.
    
    David M Brierley
    Malvern, Worcestershire, UK
    
    > ----------
    > From: 	Mark Harris[SMTP:Mark.Harris@southsomerset.gov.uk]
    > Sent: 	15 May 2000 14:24
    > To: 	SeeSat-D@blackadder.lmsal.com
    > Subject: 	NOSS triplet
    > 
    > Hi,
    > 
    > If I'm looking for passes of the above on Heavens Above, which of the
    > lots of NOSS-named entries do I select?
    > 
    > Best wishes,
    > 
    > Mark
    > 
    
    
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