Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 3 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/15/2019   18:16:39   (   0.01, -75.20) (   0.56, -72.71)  283.61                80
 03/17/2019   06:38:25   (   0.01, -75.20) (   0.64, -77.97)  316.13                80
 03/18/2019   06:17:00   (   0.00, -75.20) (  -0.36, -73.43)  200.64                80
 03/19/2019   18:38:56   (  -0.00, -75.20) (  -0.78, -78.74)  403.11                80
 03/20/2019   18:22:51   (  -0.00, -75.21) (   0.22, -74.20)  114.20                80
 03/22/2019   06:44:37   (   0.00, -75.22) (   0.97, -79.47)  484.28                80
 03/23/2019   06:23:12   (   0.00, -75.23) (  -0.09, -74.94)   33.48                80
 03/25/2019   18:26:22   (   0.00, -75.26) (  -0.10, -75.70)   51.11                80
 03/26/2019   18:10:17   (   0.00, -75.27) (   0.90, -71.17)  467.08                80
 03/28/2019   06:32:04   (   0.00, -75.30) (   0.24, -76.44)  130.15                80