Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 4 26.  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)
 04/27/2018   06:40:40   (   0.11,-135.46) (  -0.86,-139.69)  481.95                80
 04/28/2018   06:22:39   (   0.10,-135.47) (   0.28,-134.70)   88.41                80
 04/29/2018   18:38:48   (  -0.11,-135.49) (   0.74,-139.26)  430.13                80
 04/30/2018   18:20:48   (  -0.11,-135.50) (  -0.40,-134.27)  139.80                80
 05/02/2018   06:37:05   (   0.12,-135.50) (  -0.66,-138.86)  383.80                80
 05/03/2018   06:19:05   (   0.12,-135.51) (   0.48,-133.87)  185.79                80
 05/04/2018   18:35:14   (  -0.13,-135.51) (   0.54,-138.44)  333.89                80
 05/05/2018   18:17:14   (  -0.13,-135.51) (  -0.60,-133.45)  235.25                80
 05/07/2018   06:33:31   (   0.13,-135.51) (  -0.45,-138.04)  289.42                80
 05/08/2018   06:15:30   (   0.14,-135.50) (   0.69,-133.05)  279.51                80
 05/09/2018   18:34:20   (  -0.14,-135.50) (   0.34,-137.61)  241.02                80