Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 1 1.  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)
 01/02/2018   12:48:01   (  -0.09,-135.16) (   0.34,-136.93)  202.96                80
 01/03/2018   12:39:10   (  -0.08,-135.13) (  -0.31,-134.13)  114.35                80
 01/04/2018   12:27:40   (  -0.08,-135.10) (  -0.96,-131.32)  431.58                80
 01/06/2018   01:00:45   (   0.08,-135.01) (  -0.91,-139.25)  483.62                80
 01/07/2018   00:49:15   (   0.08,-134.98) (  -0.25,-136.44)  166.62                80
 01/08/2018   00:35:03   (   0.08,-134.95) (   0.36,-133.63)  150.37                80
 01/09/2018   00:23:33   (   0.08,-134.92) (   1.02,-130.83)  467.22                80
 01/10/2018   12:56:21   (  -0.08,-134.91) (   0.80,-138.69)  431.64                80
 01/11/2018   12:44:50   (  -0.08,-134.88) (   0.14,-135.89)  114.92                80
 01/12/2018   12:35:59   (  -0.07,-134.84) (  -0.46,-133.07)  201.68                80
 01/15/2018   00:57:33   (   0.07,-134.71) (  -0.71,-138.19)  396.81                80