Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 1 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/30/2021   18:32:30   (   0.01, -75.21) (  -0.44, -77.23)  230.22                80
 01/31/2021   18:16:26   (   0.01, -75.22) (   0.59, -72.71)  286.94                80
 02/02/2021   06:38:13   (  -0.01, -75.23) (   0.62, -77.97)  312.59                80
 02/03/2021   06:16:49   (  -0.01, -75.24) (  -0.40, -73.44)  204.61                80
 02/04/2021   18:38:45   (   0.02, -75.25) (  -0.78, -78.75)  398.39                80
 02/05/2021   18:22:41   (   0.02, -75.27) (   0.24, -74.22)  119.19                80
 02/07/2021   06:44:29   (  -0.03, -75.28) (   0.91, -79.49)  479.45                80
 02/08/2021   06:23:04   (  -0.03, -75.30) (  -0.11, -74.96)   38.02                80
 02/10/2021   18:26:16   (   0.04, -75.33) (  -0.03, -75.74)   46.51                80
 02/11/2021   18:10:12   (   0.04, -75.35) (   0.99, -71.21)  472.08                80
 02/13/2021   06:31:59   (  -0.04, -75.39) (   0.22, -76.48)  124.58                80