Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 1 21.  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)
 01/24/2018   00:54:20   (   0.05,-134.88) (  -0.46,-137.14)  258.05                80
 01/25/2018   00:40:09   (   0.05,-134.92) (   0.16,-134.33)   66.54                80
 01/26/2018   00:28:38   (   0.05,-134.95) (   0.85,-131.53)  390.88                80
 01/27/2018   13:01:29   (  -0.04,-135.04) (   0.99,-139.40)  499.05                80
 01/28/2018   12:49:59   (  -0.04,-135.07) (   0.32,-136.60)  175.27                80
 01/29/2018   12:41:08   (  -0.04,-135.10) (  -0.35,-133.80)  148.38                80
 01/30/2018   12:29:38   (  -0.03,-135.12) (  -1.02,-131.00)  471.89                80
 02/01/2018   01:02:37   (   0.02,-135.14) (  -0.83,-138.90)  429.33                80
 02/02/2018   00:51:06   (   0.01,-135.16) (  -0.19,-136.09)  105.77                80
 02/03/2018   00:36:54   (   0.01,-135.19) (   0.44,-133.28)  217.60                80