Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 12 24.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/25/2021   06:27:10   (  -0.03, -75.17) (  -0.08, -75.08)   11.90                80
 12/27/2021   18:27:38   (   0.03, -75.19) (  -0.14, -75.83)   74.35                80
 12/28/2021   18:11:32   (   0.03, -75.19) (   0.90, -71.30)  443.20                80
 12/30/2021   06:33:18   (  -0.02, -75.19) (   0.30, -76.56)  156.39                80
 12/31/2021   06:11:52   (  -0.02, -75.20) (  -0.74, -72.03)  361.07                80
 01/01/2022   18:33:47   (   0.01, -75.21) (  -0.45, -77.33)  241.61                80
 01/02/2022   18:17:40   (   0.00, -75.21) (   0.53, -72.79)  276.14                80
 01/04/2022   06:39:26   (  -0.00, -75.22) (   0.60, -78.06)  322.59                80
 01/05/2022   06:18:00   (   0.00, -75.23) (  -0.38, -73.52)  195.40                80
 01/06/2022   18:39:54   (   0.00, -75.25) (  -0.80, -78.81)  406.29                80