Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2020 12 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)
 12/25/2020   18:10:07   (  -0.01, -75.22) (   0.91, -71.15)  463.52                80
 12/27/2020   06:31:55   (   0.01, -75.23) (   0.30, -76.42)  135.80                80
 12/28/2020   06:10:30   (   0.01, -75.24) (  -0.71, -71.89)  381.56                80
 12/29/2020   18:32:27   (  -0.01, -75.26) (  -0.45, -77.20)  221.14                80
 12/30/2020   18:16:23   (  -0.01, -75.28) (   0.57, -72.67)  296.63                80
 01/01/2021   06:38:11   (   0.01, -75.30) (   0.59, -77.95)  301.67                80
 01/02/2021   06:16:47   (   0.01, -75.31) (  -0.43, -73.42)  216.12                80
 01/03/2021   18:38:43   (  -0.01, -75.33) (  -0.79, -78.72)  386.18                80
 01/04/2021   18:22:39   (  -0.01, -75.35) (   0.23, -74.19)  132.11                80
 01/06/2021   06:44:27   (   0.00, -75.39) (   0.93, -79.47)  464.84                80
 01/07/2021   06:23:02   (   0.00, -75.41) (  -0.09, -74.94)   53.59                80