Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 1 9.  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)
 01/10/2018   12:56:21   (  -0.08,-134.88) (   0.80,-138.69)  434.73                80
 01/11/2018   12:44:50   (  -0.08,-134.84) (   0.15,-135.88)  118.50                80
 01/12/2018   12:35:59   (  -0.07,-134.80) (  -0.45,-133.07)  197.61                80
 01/15/2018   00:57:33   (   0.07,-134.68) (  -0.72,-138.19)  400.62                80
 01/16/2018   00:46:01   (   0.06,-134.63) (  -0.11,-135.38)   85.05                80
 01/17/2018   00:31:50   (   0.06,-134.58) (   0.51,-132.56)  230.38                80
 01/19/2018   12:53:09   (  -0.05,-134.48) (   0.67,-137.62)  358.83                80
 01/20/2018   12:41:37   (  -0.05,-134.43) (   0.06,-134.81)   43.91                80
 01/21/2018   12:32:47   (  -0.05,-134.38) (  -0.60,-132.01)  271.04                80