Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 12 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/30/2021   06:30:39   (  -0.04, -75.18) (   0.24, -76.57)  157.55                80
 12/31/2021   06:14:32   (  -0.03, -75.18) (  -0.74, -72.03)  359.07                80
 01/01/2022   18:33:46   (   0.03, -75.18) (  -0.46, -77.33)  244.58                80
 01/02/2022   18:17:40   (   0.02, -75.18) (   0.53, -72.78)  272.26                80
 01/04/2022   06:36:46   (  -0.02, -75.17) (   0.61, -78.06)  328.41                80
 01/05/2022   06:20:30   (  -0.02, -75.17) (  -0.38, -73.51)  188.71                70
 01/06/2022   18:39:54   (   0.03, -75.19) (  -0.81, -78.81)  413.88                80
 01/07/2022   18:23:49   (   0.03, -75.19) (   0.23, -74.28)  103.96                80
 01/09/2022   06:45:34   (  -0.03, -75.20) (   0.96, -79.54)  494.68                80
 01/10/2022   06:24:08   (  -0.03, -75.22) (  -0.09, -75.01)   23.61                80
 01/12/2022   18:27:16   (   0.02, -75.25) (  -0.11, -75.77)   58.85                80