Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 12 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/27/2021   18:27:39   (   0.03, -75.19) (  -0.11, -75.84)   73.64                80
 12/28/2021   18:11:32   (   0.03, -75.20) (   0.88, -71.30)  444.05                80
 12/30/2021   06:33:18   (  -0.03, -75.20) (   0.26, -76.57)  155.59                80
 12/31/2021   06:11:52   (  -0.02, -75.21) (  -0.72, -72.03)  362.08                80
 01/01/2022   18:33:46   (   0.01, -75.22) (  -0.47, -77.32)  239.92                80
 01/02/2022   18:17:41   (   0.01, -75.23) (   0.57, -72.79)  278.03                80
 01/04/2022   06:39:26   (  -0.00, -75.24) (   0.62, -78.05)  320.77                80
 01/05/2022   06:18:00   (  -0.00, -75.25) (  -0.36, -73.51)  197.42                80
 01/06/2022   18:39:55   (   0.01, -75.28) (  -0.76, -78.82)  403.62                80
 01/07/2022   18:23:48   (   0.01, -75.29) (   0.22, -74.28)  115.28                80
 01/09/2022   06:45:35   (  -0.01, -75.32) (   0.91, -79.55)  481.54                80