Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 7 18.  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)
 07/19/2018   13:16:36   (  -0.31,-135.50) (  -0.02,-136.88)  156.82                80
 07/20/2018   13:05:01   (  -0.31,-135.51) (  -0.63,-134.05)  165.86                80
 07/21/2018   12:53:28   (  -0.31,-135.51) (  -1.30,-131.24)  488.32                80
 07/23/2018   01:23:40   (   0.32,-135.53) (  -0.53,-139.11)  409.25                80
 07/24/2018   01:12:06   (   0.32,-135.53) (   0.13,-136.29)   87.18                80
 07/25/2018   01:03:13   (   0.32,-135.53) (   0.79,-133.47)  234.77                80
 07/27/2018   13:24:31   (  -0.34,-135.52) (   0.35,-138.53)  343.03                80
 07/28/2018   13:12:56   (  -0.34,-135.52) (  -0.27,-135.70)   21.62                80
 07/29/2018   12:58:43   (  -0.34,-135.52) (  -0.95,-132.89)  299.97                80
 08/01/2018   01:20:03   (   0.35,-135.51) (  -0.24,-137.94)  278.89                80