Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 2 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 02/16/2021   18:16:24   (   0.00, -75.15) (   0.56, -72.70)  278.77                80
 02/18/2021   06:38:12   (  -0.01, -75.16) (   0.65, -77.96)  320.66                80
 02/19/2021   06:16:47   (  -0.01, -75.17) (  -0.38, -73.44)  196.81                80
 02/20/2021   18:38:44   (   0.01, -75.19) (  -0.79, -78.74)  405.45                80
 02/21/2021   18:22:39   (   0.01, -75.20) (   0.24, -74.21)  112.33                80
 02/23/2021   06:44:27   (  -0.02, -75.22) (   0.91, -79.49)  486.31                80
 02/24/2021   06:23:02   (  -0.02, -75.23) (  -0.06, -74.95)   31.58                80
 02/26/2021   18:26:14   (   0.03, -75.27) (  -0.07, -75.73)   52.08                80
 02/27/2021   18:10:09   (   0.03, -75.29) (   0.96, -71.20)  466.48                80
 03/01/2021   06:31:57   (  -0.03, -75.32) (   0.24, -76.47)  130.73                80