Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 5 25.  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)
 05/27/2018   06:21:50   (   0.17,-135.10) (   0.24,-134.71)   44.30                80
 05/28/2018   18:40:39   (  -0.16,-135.09) (   0.78,-139.28)  477.44                80
 05/29/2018   18:17:19   (  -0.17,-135.06) (  -0.37,-134.29)   88.06                80
 05/31/2018   06:38:55   (   0.17,-134.97) (  -0.73,-138.87)  445.01                80
 06/01/2018   06:15:35   (   0.18,-134.94) (   0.42,-133.88)  120.15                80
 06/02/2018   18:37:04   (  -0.17,-134.91) (   0.60,-138.45)  402.57                80
 06/03/2018   18:13:42   (  -0.18,-134.87) (  -0.49,-133.45)  162.15                80
 06/05/2018   06:35:20   (   0.18,-134.78) (  -0.54,-138.04)  371.87                80
 06/06/2018   06:11:58   (   0.19,-134.74) (   0.55,-133.04)  192.67                80
 06/07/2018   18:33:28   (  -0.18,-134.70) (   0.47,-137.61)  330.76                80