Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2017 12 23.  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)
 12/24/2017   12:51:11   (  -0.10,-135.35) (   0.51,-137.98)  300.16                80
 12/25/2017   12:42:20   (  -0.10,-135.33) (  -0.13,-135.17)   18.45                80
 12/26/2017   12:30:50   (  -0.10,-135.32) (  -0.78,-132.37)  336.96                80
 12/29/2017   00:52:25   (   0.10,-135.22) (  -0.43,-137.49)  259.53                80
 12/30/2017   00:38:15   (   0.09,-135.20) (   0.22,-134.69)   58.13                80
 12/31/2017   00:26:44   (   0.09,-135.17) (   0.87,-131.89)  375.59                80
 01/02/2018   12:48:01   (  -0.08,-135.14) (   0.31,-136.94)  204.80                80
 01/03/2018   12:39:10   (  -0.08,-135.11) (  -0.29,-134.12)  112.25                80
 01/04/2018   12:27:39   (  -0.08,-135.08) (  -0.94,-131.32)  429.18                80
 01/06/2018   01:00:45   (   0.08,-134.99) (  -0.93,-139.24)  485.87                80