Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 9 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/12/2019   18:23:27   (  -0.00, -75.18) (   0.21, -74.22)  109.30                80
 09/14/2019   06:45:14   (   0.00, -75.17) (   0.99, -79.48)  491.94                80
 09/15/2019   06:23:50   (   0.00, -75.17) (  -0.03, -74.95)   23.84                80
 09/17/2019   18:27:02   (  -0.00, -75.15) (  -0.13, -75.73)   65.68                80
 09/18/2019   18:10:57   (  -0.00, -75.15) (   0.90, -71.20)  450.49                80
 09/20/2019   06:32:45   (   0.00, -75.14) (   0.31, -76.46)  149.88                80
 09/21/2019   06:11:20   (   0.00, -75.14) (  -0.72, -71.93)  366.28                80
 09/22/2019   18:33:16   (  -0.01, -75.13) (  -0.45, -77.23)  238.82                80
 09/23/2019   18:17:11   (  -0.01, -75.13) (   0.52, -72.69)  277.61                80
 09/25/2019   06:38:59   (   0.01, -75.14) (   0.63, -77.96)  322.16                80