Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 12 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/22/2021   18:24:10   (   0.02, -75.18) (   0.20, -74.34)   95.47                80
 12/25/2021   06:24:29   (  -0.02, -75.18) (  -0.04, -75.07)   11.83                80
 12/27/2021   18:27:38   (   0.02, -75.19) (  -0.12, -75.84)   74.14                80
 12/28/2021   18:11:33   (   0.02, -75.19) (   0.92, -71.31)  443.38                80
 12/30/2021   06:33:18   (  -0.02, -75.20) (   0.28, -76.57)  155.95                80
 12/31/2021   06:11:52   (  -0.01, -75.20) (  -0.70, -72.02)  361.51                80
 01/01/2022   18:33:46   (   0.00, -75.21) (  -0.49, -77.32)  241.31                80
 01/02/2022   18:17:40   (  -0.00, -75.21) (   0.55, -72.79)  276.47                80
 01/04/2022   06:39:26   (   0.01, -75.23) (   0.65, -78.05)  321.98                80