Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 4 16.  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)
 04/16/2018   18:10:48   (  -0.06,-135.30) (  -0.86,-131.74)  405.53                80
 04/18/2018   06:27:07   (   0.07,-135.34) (  -0.16,-136.34)  114.32                80
 04/19/2018   06:09:06   (   0.07,-135.36) (   0.97,-131.35)  456.94                80
 04/20/2018   18:25:15   (  -0.08,-135.37) (   0.04,-135.91)   61.52                80
 04/23/2018   06:23:33   (   0.09,-135.41) (   0.08,-135.52)   12.31                80
 04/25/2018   18:24:22   (  -0.10,-135.44) (  -0.20,-135.10)   39.28                80
 04/27/2018   06:40:39   (   0.11,-135.46) (  -0.87,-139.69)  482.63                80
 04/28/2018   06:22:39   (   0.10,-135.47) (   0.28,-134.70)   87.72                80
 04/29/2018   18:38:48   (  -0.11,-135.48) (   0.75,-139.26)  431.65                80