Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2020 12 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/17/2020   06:16:43   (   0.01, -75.15) (  -0.39, -73.38)  201.41                80
 12/18/2020   18:38:40   (  -0.01, -75.16) (  -0.78, -78.69)  402.34                80
 12/19/2020   18:22:35   (  -0.01, -75.16) (   0.23, -74.16)  114.56                80
 12/21/2020   06:44:24   (   0.01, -75.17) (   0.93, -79.44)  485.45                80
 12/22/2020   06:22:59   (   0.01, -75.18) (  -0.08, -74.91)   31.88                80
 12/24/2020   18:26:11   (  -0.00, -75.22) (  -0.13, -75.68)   53.02                80
 12/25/2020   18:10:08   (  -0.00, -75.23) (   0.94, -71.16)  464.87                80
 12/27/2020   06:31:55   (  -0.00, -75.25) (   0.28, -76.42)  133.95                80
 12/28/2020   06:10:30   (  -0.00, -75.27) (  -0.73, -71.89)  383.82                80
 12/29/2020   18:32:28   (   0.01, -75.29) (  -0.42, -77.21)  218.13                80
 12/30/2020   18:16:23   (   0.01, -75.31) (   0.59, -72.68)  299.97                80