Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 1 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/17/2019   08:26:53   (  -0.02,-104.33) (   0.13,-105.14)   91.79                80
 01/18/2019   08:05:28   (  -0.02,-104.32) (  -0.85,-100.60)  424.86                80
 01/19/2019   20:27:22   (   0.02,-104.08) (  -0.42,-105.88)  205.58                80
 01/20/2019   20:11:17   (   0.01,-104.09) (   0.63,-101.36)  311.27                80
 01/22/2019   08:33:06   (  -0.01,-104.33) (   0.50,-106.64)  262.65                80
 01/23/2019   08:11:40   (  -0.01,-104.33) (  -0.48,-102.10)  253.92                80
 01/24/2019   20:33:36   (   0.02,-104.09) (  -0.72,-107.40)  376.90                80
 01/25/2019   20:17:30   (   0.01,-104.09) (   0.26,-102.86)  140.04                80
 01/27/2019   08:36:39   (  -0.02,-104.35) (   0.81,-108.15)  433.10                80
 01/28/2019   08:17:54   (  -0.01,-104.35) (  -0.18,-103.61)   83.92                80