[amsat-bb] OSCAR 27 is not AO-27

OZ1MY oz1my at privat.dk
Mon Jan 25 09:22:31 PST 2010

Hi all,
This may be known to some of you - but it has given 
me problems sometimes.

OSCAR 27 is a different satellite than AO-27.
OSCAR 27 is catalog number 18361.

AMRAD-OSCAR-27 (AO-27) (AKA EYESAT) is catalog number 22825.

OSCAR 27 is in the Transit series of satellites (NAVSAT).
Other satellites in this series carry the OSCAR name and a 

I had this problem at a summer course in satellite technology 
for students from many countries. 
I said to them that they could use the keps for AO-27 for a project. 
AO-27 has a nice nearly circular orbit :-)

Then they used OSCAR 27 - and I did not understand the 
the difference in the expected results in the start.

Some lists of keplerian elements use EYESAT for AO-27.

If you Goggle OSCAR 27 you get a lot of hits that are really 

Greetings from Copenhagen.
73 OZ1MY

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