Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2017 12 26.  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)
 12/29/2017   00:52:26   (   0.10,-135.22) (  -0.40,-137.50)  259.39                80
 12/30/2017   00:38:14   (   0.09,-135.20) (   0.19,-134.68)   58.45                80
 12/31/2017   00:26:44   (   0.09,-135.17) (   0.84,-131.88)  375.97                80
 01/02/2018   12:48:01   (  -0.09,-135.15) (   0.33,-136.93)  203.76                80
 01/03/2018   12:39:10   (  -0.08,-135.12) (  -0.32,-134.13)  113.37                80
 01/04/2018   12:27:40   (  -0.08,-135.09) (  -0.97,-131.32)  430.44                80
 01/06/2018   01:00:45   (   0.08,-135.00) (  -0.90,-139.25)  484.81                80
 01/07/2018   00:49:15   (   0.08,-134.97) (  -0.23,-136.45)  168.04                80
 01/08/2018   00:35:03   (   0.08,-134.94) (   0.37,-133.63)  148.73                80
 01/09/2018   00:23:33   (   0.08,-134.90) (   1.04,-130.83)  465.43                80