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Aerotorque / Ballistic coefficient in Orbiter Issue Tools
issueid=170 10-23-2009 10:44 AM
Orbinaut
Aerotorque / Ballistic coefficient in Orbiter

One question: I heard about ballistic(drag) coefficient(in TLE) for spacecrafts, stations... It is possible to use it in Orbiter to simulate that kind of drag?

Thanks.
Issue Details
Issue Type Feedback
Project ORBITER: 2010-P1
Status Open
Priority 10 - Lowest
Regarding Version 091023 - RC1
Regarding Version (none)
Users who agree 0
Users who disagree 1
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Tags (none)

10-23-2009 11:01 AM
Orbiter Founder
 
If you explain what you mean by ballistic drag I may be able to answer the question.
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10-23-2009 11:12 AM
Orbinaut
 
Quote:
Originally Posted by martins
 If you explain what you mean by ballistic drag I may be able to answer the question.
Found on wiki. ballistic coefficient (BC) of a body is a measure of its ability to overcome air resistance in flight.

For example ISS it's a big structure with large solar panels, as a result it has relatively big resistance to the atmosphere and relatively fast orbit decay. Or it is called Aerotorque(?).
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10-24-2009 01:24 AM
Orbiter Founder
 
So how is this different to the drag calculation already implemented in Orbiter?
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10-24-2009 12:38 PM
Orbinaut
 
Quote:
Originally Posted by martins
 So how is this different to the drag calculation already implemented in Orbiter?
So it was already implemented... And ISS orbit really decays 100-400m per day?

Thanks for reply.
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