Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 1 27.  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) (   0.28, -76.46)  142.45                80
 01/29/2021   06:10:34   (   0.01, -75.21) (  -0.74, -71.93)  373.97                80
 01/30/2021   18:32:30   (  -0.01, -75.21) (  -0.45, -77.23)  230.10                80
 01/31/2021   18:16:26   (  -0.00, -75.22) (   0.57, -72.70)  286.95                80
 02/02/2021   06:38:13   (   0.00, -75.23) (   0.64, -77.97)  312.04                80
 02/03/2021   06:16:49   (  -0.00, -75.24) (  -0.38, -73.44)  205.08                80
 02/04/2021   18:38:45   (  -0.00, -75.25) (  -0.80, -78.74)  398.38                80
 02/05/2021   18:22:40   (  -0.00, -75.26) (   0.22, -74.21)  119.25                80
 02/07/2021   06:44:29   (   0.01, -75.29) (   0.93, -79.49)  478.65                80
 02/08/2021   06:23:04   (   0.01, -75.30) (  -0.09, -74.96)   38.88                80