Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 9 24.  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)
 09/25/2018   06:14:22   (   0.26,-135.54) (   0.60,-133.94)  181.88                80
 09/26/2018   18:30:33   (  -0.28,-135.63) (   0.33,-138.52)  328.57                80
 09/27/2018   18:12:30   (  -0.27,-135.64) (  -0.73,-133.51)  242.53                80
 09/29/2018   06:28:47   (   0.29,-135.59) (  -0.26,-138.12)  288.16                80
 09/30/2018   06:10:45   (   0.27,-135.59) (   0.80,-133.11)  281.82                80
 10/01/2018   18:26:54   (  -0.29,-135.66) (   0.19,-137.68)  230.80                80
 10/02/2018   18:08:53   (  -0.27,-135.66) (  -0.93,-132.69)  339.16                80
 10/04/2018   06:27:50   (   0.29,-135.60) (  -0.06,-137.29)  192.45                80
 10/05/2018   06:07:08   (   0.28,-135.59) (   1.00,-132.28)  376.57                80
 10/06/2018   18:23:17   (  -0.30,-135.65) (  -0.02,-136.85)  137.64                80
 10/07/2018   18:05:16   (  -0.29,-135.65) (  -1.14,-131.86)  431.78                80