Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 1 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/28/2021   06:31:58   (   0.01, -75.20) (   0.32, -76.45)  142.46                80
 01/29/2021   06:10:33   (   0.01, -75.21) (  -0.70, -71.92)  373.96                80
 01/30/2021   18:32:30   (  -0.01, -75.21) (  -0.49, -77.22)  229.92                80
 01/31/2021   18:16:25   (  -0.00, -75.22) (   0.54, -72.69)  287.14                80
 02/02/2021   06:38:13   (  -0.00, -75.23) (   0.62, -77.97)  312.09                80
 02/03/2021   06:16:49   (  -0.01, -75.24) (  -0.41, -73.44)  205.02                80
 02/04/2021   18:38:45   (   0.00, -75.25) (  -0.77, -78.75)  398.12                80
 02/05/2021   18:22:41   (  -0.00, -75.26) (   0.25, -74.22)  119.63                80
 02/07/2021   06:44:28   (   0.01, -75.29) (   0.96, -79.48)  478.45                80
 02/08/2021   06:23:04   (   0.01, -75.30) (  -0.06, -74.95)   39.04                80
 02/10/2021   18:26:15   (  -0.00, -75.33) (  -0.09, -75.73)   45.73                80