Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 2 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 02/13/2021   06:31:58   (  -0.01, -75.12) (   0.30, -76.46)  152.53                80
 02/14/2021   06:10:33   (  -0.01, -75.12) (  -0.73, -71.93)  364.29                80
 02/15/2021   18:32:29   (   0.01, -75.14) (  -0.45, -77.23)  238.09                80
 02/16/2021   18:16:25   (   0.01, -75.15) (   0.58, -72.71)  279.35                80
 02/18/2021   06:38:12   (  -0.02, -75.16) (   0.63, -77.97)  320.44                80
 02/19/2021   06:16:48   (  -0.02, -75.17) (  -0.40, -73.44)  196.97                80
 02/20/2021   18:38:44   (   0.02, -75.19) (  -0.76, -78.75)  405.10                80
 02/21/2021   18:22:40   (   0.02, -75.21) (   0.26, -74.22)  112.67                80
 02/23/2021   06:44:27   (  -0.03, -75.22) (   0.94, -79.48)  486.37                80
 02/24/2021   06:23:02   (  -0.03, -75.23) (  -0.09, -74.96)   31.36                80
 02/26/2021   18:26:14   (   0.04, -75.28) (  -0.04, -75.74)   52.13                80