Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 12 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/15/2019   06:17:02   (   0.02, -75.19) (  -0.40, -73.44)  200.71                80
 12/16/2019   18:38:57   (   0.00, -75.20) (  -0.80, -78.73)  402.92                80
 12/17/2019   18:22:53   (   0.01, -75.21) (   0.26, -74.21)  114.05                80
 12/19/2019   06:44:39   (  -0.01, -75.21) (   0.93, -79.47)  485.69                80
 12/20/2019   06:23:14   (  -0.02, -75.22) (  -0.07, -74.94)   31.68                80
 12/22/2019   18:26:24   (   0.01, -75.25) (  -0.06, -75.72)   52.54                80
 12/23/2019   18:07:39   (   0.01, -75.26) (   0.94, -71.18)  465.63                80
 12/25/2019   06:32:05   (   0.00, -75.28) (   0.26, -76.44)  132.53                80
 12/26/2019   06:10:40   (  -0.00, -75.29) (  -0.75, -71.91)  385.56                80
 12/27/2019   18:35:15   (  -0.00, -75.32) (  -0.44, -77.21)  215.51                80
 12/28/2019   18:13:51   (   0.01, -75.34) (   0.63, -72.69)  303.11                80