Re: Year 2000 Problem for TLEs??

Bruno Tilgner (
Sun, 24 Aug 1997 19:13:05 -0400

Jim Varney wrote:

>I'm afraid it's worse than that.  SGP4 is affected by the 'Y2K' bug too.=

Unfortunately, you are right. Presumably ALL popular prediction programs
will fail on Jan 1, 2000. But it is not very difficult to implement a
range check of the year and modify the code accordingly; at least for
the first half of the next century.

Bruno Tilgner
48.85N 2.02E