Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 9 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-A Lat/Lon    Distance(km)  Time Diff(sec)
 09/15/2018   06:18:56   (   0.23,-135.34) (   0.19,-135.59)   27.97                80
 09/17/2018   18:19:44   (  -0.24,-135.48) (  -0.31,-135.16)   35.91                80
 09/19/2018   06:36:01   (   0.26,-135.45) (  -0.69,-139.77)  492.10                80
 09/20/2018   06:18:00   (   0.24,-135.46) (   0.43,-134.77)   79.71                80
 09/21/2018   18:34:09   (  -0.27,-135.56) (   0.56,-139.34)  430.61                80
 09/22/2018   18:16:08   (  -0.25,-135.58) (  -0.55,-134.35)  141.35                80
 09/24/2018   06:32:24   (   0.28,-135.55) (  -0.50,-138.94)  386.98                80
 09/25/2018   06:14:23   (   0.26,-135.56) (   0.61,-133.94)  184.14                80
 09/26/2018   18:30:32   (  -0.28,-135.64) (   0.38,-138.51)  327.59                80
 09/27/2018   18:12:30   (  -0.27,-135.66) (  -0.73,-133.51)  243.64                80