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) (   0.31,-136.94)  202.97                80
 01/03/2018   12:39:11   (  -0.08,-135.13) (  -0.34,-134.13)  114.38                80
 01/04/2018   12:27:39   (  -0.08,-135.10) (  -0.94,-131.32)  431.57                80
 01/06/2018   01:00:46   (   0.08,-135.01) (  -0.88,-139.25)  483.63                80
 01/07/2018   00:49:14   (   0.08,-134.98) (  -0.28,-136.44)  166.65                80
 01/08/2018   00:35:04   (   0.08,-134.95) (   0.39,-133.64)  150.32                80
 01/09/2018   00:23:32   (   0.08,-134.92) (   1.00,-130.82)  467.21                80
 01/10/2018   12:56:20   (  -0.08,-134.91) (   0.82,-138.68)  431.68                80
 01/11/2018   12:44:50   (  -0.08,-134.88) (   0.17,-135.88)  114.94                80
 01/12/2018   12:36:00   (  -0.07,-134.84) (  -0.49,-133.08)  201.63                80
 01/15/2018   00:57:32   (   0.07,-134.71) (  -0.74,-138.19)  396.84                80