Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 3 17.  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)
 03/18/2018   18:11:29   (   0.00,-134.95) (  -0.70,-131.68)  371.73                80
 03/20/2018   06:27:48   (   0.00,-134.87) (  -0.29,-136.28)  159.84                80
 03/21/2018   06:09:46   (  -0.00,-134.84) (   0.81,-131.28)  405.37                80
 03/22/2018   18:25:54   (  -0.00,-134.78) (   0.20,-135.84)  119.94                80
 03/23/2018   18:07:52   (  -0.00,-134.74) (  -0.84,-130.83)  444.66                80
 03/25/2018   06:24:10   (   0.01,-134.65) (  -0.15,-135.43)   88.66                80
 03/26/2018   06:06:09   (   0.01,-134.60) (   0.96,-130.43)  475.54                80
 03/27/2018   18:22:17   (  -0.01,-134.54) (   0.06,-134.99)   50.99                80
 03/30/2018   06:20:33   (   0.01,-134.40) (   0.00,-134.59)   20.89                80