Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 12 31.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/01/2020   18:41:26   (  -0.02, -75.19) (  -0.80, -78.70)  399.64                80
 01/02/2020   18:20:00   (  -0.02, -75.19) (   0.21, -74.17)  116.92                80
 01/04/2020   06:44:27   (   0.03, -75.19) (   0.98, -79.43)  482.92                80
 01/05/2020   06:23:01   (   0.02, -75.20) (  -0.02, -74.90)   33.94                80
 01/07/2020   18:28:51   (  -0.03, -75.20) (  -0.15, -75.66)   52.53                80
 01/08/2020   18:07:26   (  -0.03, -75.21) (   0.86, -71.13)  464.51                80
 01/10/2020   06:31:53   (   0.04, -75.21) (   0.27, -76.40)  134.84                80
 01/11/2020   06:10:27   (   0.03, -75.22) (  -0.74, -71.87)  382.24                80
 01/12/2020   18:35:02   (  -0.04, -75.23) (  -0.49, -77.16)  220.61                80
 01/13/2020   18:13:36   (  -0.03, -75.24) (   0.52, -72.62)  296.81                80