Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 8 16.  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)
 08/18/2018   01:26:57   (   0.35,-135.06) (  -0.44,-138.38)  379.15                80
 08/19/2018   01:12:43   (   0.36,-135.03) (   0.24,-135.56)   60.84                80
 08/20/2018   01:03:49   (   0.36,-134.99) (   0.86,-132.73)  257.33                80
 08/22/2018   13:24:59   (  -0.35,-134.91) (   0.30,-137.75)  324.63                80
 08/23/2018   13:13:24   (  -0.36,-134.87) (  -0.34,-134.93)    7.04                80
 08/24/2018   12:59:10   (  -0.37,-134.82) (  -0.98,-132.10)  310.46                80
 08/27/2018   01:23:15   (   0.35,-134.70) (  -0.24,-137.17)  282.06                80
 08/28/2018   01:09:01   (   0.36,-134.66) (   0.45,-134.36)   35.29                80
 08/29/2018   00:57:27   (   0.36,-134.62) (   1.09,-131.53)  352.32                80