Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2017 11 28.  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)
 11/29/2017   06:29:42   (   0.18,-135.28) (   0.10,-135.50)   25.97                80
 12/01/2017   18:27:51   (  -0.17,-135.29) (  -0.22,-135.07)   24.84                80
 12/03/2017   06:46:50   (   0.16,-135.36) (  -0.81,-139.66)  491.02                80
 12/04/2017   06:23:29   (   0.16,-135.37) (   0.32,-134.67)   79.11                80
 12/05/2017   18:42:18   (  -0.15,-135.33) (   0.69,-139.23)  443.80                80
 12/06/2017   18:24:17   (  -0.15,-135.34) (  -0.38,-134.23)  126.70                80
 12/08/2017   06:43:15   (   0.14,-135.41) (  -0.64,-138.82)  389.63                80
 12/09/2017   06:19:55   (   0.14,-135.41) (   0.50,-133.83)  179.99                80
 12/10/2017   18:38:44   (  -0.13,-135.36) (   0.52,-138.39)  344.19                80
 12/11/2017   18:20:43   (  -0.13,-135.37) (  -0.56,-133.39)  225.97                80