Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 9 10.  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)
 09/13/2018   01:24:35   (  -0.23,-135.28) (  -0.77,-137.49)  253.16                80
 09/14/2018   01:15:40   (  -0.24,-135.31) (  -0.12,-134.67)   72.93                80
 09/15/2018   01:04:06   (  -0.25,-135.34) (   0.54,-131.84)  398.88                80
 09/16/2018   13:34:09   (   0.20,-135.46) (   1.17,-139.70)  482.72                80
 09/17/2018   13:22:35   (   0.21,-135.49) (   0.52,-136.87)  157.38                80
 09/18/2018   13:13:40   (   0.22,-135.52) (  -0.13,-134.05)  167.79                80
 09/19/2018   13:02:06   (   0.22,-135.54) (  -0.78,-131.22)  492.84                80
 09/21/2018   01:32:26   (  -0.17,-135.49) (  -1.02,-139.13)  415.80                80
 09/22/2018   01:20:52   (  -0.18,-135.51) (  -0.35,-136.31)   90.74                80
 09/23/2018   01:11:57   (  -0.18,-135.54) (   0.31,-133.49)  234.15                80