RE: Japansese First Military Sat

From: Ted Molczan (
Date: Fri Mar 28 2003 - 07:54:14 EST

  • Next message: NK: "Re: Japansese First Military Sat"

    Willie Koorts asked:
    > If I may ask a stupid question, I assume "sub-recurrent" 
    > refers to "return 
    > to the same point every 4 days".  Correct?  If not, can 
    > someone please explain a sub-recurrent orbit to me.
    This was my first encounter with the term "sub-recurrent". The results of a
    google search suggest that the term is used almost exclusively by Japan to
    denote a ground track that repeats after some number of days. I am more
    familiar with the term resonant ground track.
    I found the following explanation of "sub-recurrent":
    Ted Molczan
    To unsubscribe from SeeSat-L, send a message with 'unsubscribe'
    in the SUBJECT to
    List archived at

    This archive was generated by hypermail 2b29 : Fri Mar 28 2003 - 08:12:10 EST