Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2017 12 28.  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   00:52:25   (   0.10,-135.22) (  -0.45,-137.49)  259.38                80
 12/30/2017   00:38:15   (   0.09,-135.20) (   0.20,-134.69)   58.55                80
 12/31/2017   00:26:44   (   0.09,-135.18) (   0.85,-131.88)  376.22                80
 01/02/2018   12:48:01   (  -0.09,-135.16) (   0.33,-136.93)  203.04                80
 01/03/2018   12:39:11   (  -0.08,-135.13) (  -0.32,-134.13)  114.19                80
 01/04/2018   12:27:40   (  -0.08,-135.10) (  -0.97,-131.33)  431.35                80
 01/06/2018   01:00:45   (   0.08,-135.01) (  -0.90,-139.25)  483.99                80
 01/07/2018   00:49:15   (   0.08,-134.98) (  -0.24,-136.45)  167.11                80
 01/08/2018   00:35:03   (   0.08,-134.95) (   0.37,-133.63)  149.75                80
 01/09/2018   00:23:33   (   0.08,-134.92) (   1.03,-130.83)  466.53                80
 01/10/2018   12:56:21   (  -0.08,-134.90) (   0.79,-138.69)  432.57                80
 01/11/2018   12:44:51   (  -0.08,-134.87) (   0.14,-135.89)  115.95                80