Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 1 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)
 01/27/2018   13:01:29   (  -0.04,-135.05) (   0.99,-139.40)  498.01                80
 01/28/2018   12:49:59   (  -0.04,-135.08) (   0.33,-136.60)  174.00                80
 01/29/2018   12:41:08   (  -0.03,-135.11) (  -0.34,-133.80)  149.88                80
 01/30/2018   12:26:58   (  -0.03,-135.14) (  -1.01,-131.00)  473.63                80
 02/01/2018   01:02:37   (   0.01,-135.15) (  -0.84,-138.90)  427.75                80
 02/02/2018   00:51:06   (   0.01,-135.18) (  -0.20,-136.09)  103.97                80
 02/03/2018   00:36:54   (   0.01,-135.20) (   0.43,-133.28)  219.63                80
 02/05/2018   12:58:17   (  -0.01,-135.31) (   0.73,-138.36)  348.56                80
 02/06/2018   12:49:27   (  -0.01,-135.34) (   0.05,-135.56)   25.31                80
 02/07/2018   12:37:56   (  -0.01,-135.36) (  -0.63,-132.76)  297.87                80