Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 1 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/25/2021   18:26:15   (  -0.01, -75.20) (  -0.12, -75.72)   58.54                80
 01/26/2021   18:10:11   (  -0.01, -75.20) (   0.90, -71.19)  457.94                80
 01/28/2021   06:31:58   (   0.01, -75.21) (   0.31, -76.45)  142.26                80
 01/29/2021   06:10:33   (   0.01, -75.21) (  -0.71, -71.92)  374.26                80
 01/30/2021   18:32:30   (  -0.01, -75.21) (  -0.48, -77.23)  229.93                80
 01/31/2021   18:16:25   (  -0.00, -75.22) (   0.55, -72.70)  287.19                80
 02/02/2021   06:38:13   (   0.00, -75.24) (   0.61, -77.97)  311.54                80
 02/03/2021   06:16:49   (   0.00, -75.25) (  -0.42, -73.44)  205.64                80
 02/04/2021   18:38:45   (  -0.00, -75.25) (  -0.76, -78.75)  397.90                80
 02/05/2021   18:22:40   (  -0.00, -75.27) (   0.21, -74.21)  119.81                80
 02/07/2021   06:44:28   (   0.01, -75.29) (   0.95, -79.48)  477.88                80