Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 7 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 07/16/2018   01:06:50   (   0.30,-135.48) (   0.51,-134.64)   96.39                80
 07/17/2018   00:55:16   (   0.30,-135.49) (   1.17,-131.82)  419.32                80
 07/18/2018   13:28:09   (  -0.31,-135.49) (   0.67,-139.69)  479.73                80
 07/19/2018   13:16:35   (  -0.31,-135.50) (   0.01,-136.88)  156.96                80
 07/20/2018   13:05:02   (  -0.31,-135.51) (  -0.66,-134.06)  165.70                80
 07/21/2018   12:53:28   (  -0.31,-135.51) (  -1.33,-131.24)  488.19                80
 07/23/2018   01:23:40   (   0.32,-135.53) (  -0.51,-139.12)  409.33                80
 07/24/2018   01:12:07   (   0.32,-135.53) (   0.15,-136.30)   87.23                80
 07/25/2018   01:03:14   (   0.32,-135.54) (   0.81,-133.48)  234.71                80
 07/27/2018   13:24:31   (  -0.34,-135.53) (   0.33,-138.54)  343.08                80
 07/28/2018   13:12:57   (  -0.34,-135.52) (  -0.28,-135.71)   21.58                80
 07/29/2018   12:58:43   (  -0.34,-135.52) (  -0.96,-132.89)  299.91                80