Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 1 19.  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)
 01/20/2018   12:41:38   (  -0.05,-134.77) (  -0.01,-134.82)    8.04                80
 01/21/2018   12:32:48   (  -0.05,-134.81) (  -0.67,-132.02)  317.64                80
 01/24/2018   00:54:20   (   0.05,-134.88) (  -0.47,-137.14)  258.26                80
 01/25/2018   00:40:08   (   0.05,-134.91) (   0.15,-134.33)   66.30                80
 01/26/2018   00:28:38   (   0.05,-134.95) (   0.84,-131.53)  390.51                80
 01/27/2018   13:01:30   (  -0.04,-135.03) (   0.94,-139.41)  499.68                80
 01/28/2018   12:49:59   (  -0.04,-135.06) (   0.33,-136.60)  175.97                80
 01/29/2018   12:41:08   (  -0.04,-135.09) (  -0.34,-133.80)  147.60                80
 01/30/2018   12:29:38   (  -0.03,-135.12) (  -1.01,-131.00)  471.04                80
 02/01/2018   01:02:37   (   0.02,-135.13) (  -0.84,-138.90)  430.17                80
 02/02/2018   00:51:06   (   0.01,-135.15) (  -0.20,-136.09)  106.68                80