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Jorge R. Frank
July 11th 03, 02:39 AM
"John Geenty" > wrote in
:

> I have a question regarding the STS-28 payload that was originally
> intended to have flown on STS-61N. I've read a verity of sources which
> each list a slightly different view of what was carried on STS-28.
> Some media sources suggested it was an advanced KH-11, but this has
> been fairly clearly debunked. I have heard it also suggested it might
> have been a modified Lacrosse. The final theory I read was that it was
> an exceptionally large surveillance satellite designed for Molniya
> orbits to observe various locations including certain Artic regions
> missed by other satellites. Or am I way off the mark with all of
> these? Any help would be excellent, although I understand that STS-28
> is still classified.

The payload was most likely a Satellite Data System (SDS) spacecraft,
specifically SDS B-2, used to relay imaging data from polar-orbiting recon
spacecraft. SDS B-1 and B-3 were deployed on STS-51J and STS-53,
respectively. See pp. 329-331 of Jenkins, 3rd ed, for discussion and
illustration.


--
JRF

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John Geenty
July 11th 03, 10:13 AM
"Jorge R. Frank" > wrote in message
...
> "John Geenty" > wrote in
> :
>
> > I have a question regarding the STS-28 payload that was originally
> > intended to have flown on STS-61N. I've read a verity of sources which
> > each list a slightly different view of what was carried on STS-28.
> > Some media sources suggested it was an advanced KH-11, but this has
> > been fairly clearly debunked. I have heard it also suggested it might
> > have been a modified Lacrosse. The final theory I read was that it was
> > an exceptionally large surveillance satellite designed for Molniya
> > orbits to observe various locations including certain Artic regions
> > missed by other satellites. Or am I way off the mark with all of
> > these? Any help would be excellent, although I understand that STS-28
> > is still classified.
>
> The payload was most likely a Satellite Data System (SDS) spacecraft,
> specifically SDS B-2, used to relay imaging data from polar-orbiting recon
> spacecraft. SDS B-1 and B-3 were deployed on STS-51J and STS-53,
> respectively. See pp. 329-331 of Jenkins, 3rd ed, for discussion and
> illustration.
>
>
> --
> JRF
>
> Reply-to address spam-proofed - to reply by E-mail,
> check "Organization" (I am not assimilated) and
> think one step ahead of IBM.

Thanks, much appreciated!

John

Allen Thomson
July 11th 03, 07:42 PM
"John Geenty" > wrote

> I have a question regarding the STS-28 payload

See

http://satobs.org/seesat/Feb-1996/0018.html
http://satobs.org/seesat/Feb-1996/0016.html
http://satobs.org/seesat/Feb-1996/0011.html