Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 1 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/19/2019   20:27:23   (   0.02,-104.09) (  -0.37,-105.89)  205.31                80
 01/20/2019   20:11:17   (   0.01,-104.09) (   0.61,-101.35)  311.64                80
 01/22/2019   08:33:05   (  -0.01,-104.33) (   0.52,-106.63)  262.27                80
 01/23/2019   08:11:41   (  -0.01,-104.34) (  -0.53,-102.11)  254.39                80
 01/24/2019   20:33:35   (   0.02,-104.10) (  -0.74,-107.39)  376.12                80
 01/25/2019   20:17:31   (   0.02,-104.10) (   0.31,-102.87)  140.91                80
 01/27/2019   08:36:39   (  -0.02,-104.35) (   0.82,-108.15)  432.13                80
 01/28/2019   08:17:54   (  -0.02,-104.36) (  -0.16,-103.61)   85.00                80
 01/30/2019   20:21:04   (   0.00,-104.12) (  -0.05,-104.37)   27.90                80
 01/31/2019   20:04:58   (  -0.01,-104.13) (   0.94, -99.83)  489.45                80